Hidden beam structure of steel structure frame

Abstract

The invention relates to the technical field of steel structure buildings, and discloses a hidden beam structure of a steel structure frame. The steel structure hidden beam is parallel to the floor slab, and at least part of the steel structure hidden beam is embedded in the floor slab; the bottom position of the steel structure hidden beam is higher than or equal to the bottom position of the floor, and the two ends of the steel structure hidden beam are used for being connected with the two frame columns or the structural beam and the frame columns respectively. The technical problems that indoor non-convex-beam steel structure frames cannot be directly connected through frame beams, and the mode that frame columns are connected through concrete hidden beams is poor in rigidity and bearing capacity, large in construction difficulty and high in cost are solved.

Description

Technical Field

[0001] The invention relates to the technical field of steel structure buildings, and in particular to a steel structure frame concealed beam structure. Background Art

[0002] Prefabricated steel structure systems are increasingly used in high-rise residential buildings, commercial complexes, hospitals, schools, dormitories and other buildings. The living quality and economic cost of steel structure buildings are receiving more and more attention.

[0003] In a prefabricated steel structure project, in order to ensure the stability of the structure, two frame columns or a frame column and a structural beam 14 are usually connected by a frame beam 15, such as Figure 1 As shown, when the frame beam 15 is used for connection, it is easy to cause the indoor ceiling convex beam to be uneven, affecting the user experience of the residents, and if the frame column is not connected by the frame beam 15, it will cause serious loss of structural lateral stiffness and bearing capacity; in the related technology, such as Figure 2 As shown, in order to solve the above problems, a concrete hidden beam 9 is usually used to connect the two frame columns to constrain the frame columns. However, the concrete hidden beam 9 itself has weak rigidity and bearing capacity. In order to meet the needs, the diameter of the steel bars of the concrete hidden beam 9 is large and dense. The construction is difficult when the steel bars of the concrete hidden beam 9 are welded to the frame columns, and the construction of the stirrups of the concrete hidden beam 9 is time-consuming, labor-intensive, and costly. Summary of the invention

[0004] In view of this, the present invention provides a steel structure frame hidden beam structure to solve the problems of weak rigidity and bearing capacity, great construction difficulty and high cost in the existing method of connecting frame columns with concrete hidden beams.

[0005] The present invention provides a steel structure frame concealed beam structure, comprising:

[0006] Floor slab;

[0007] A steel structure hidden beam is parallel to the floor slab and at least partially embedded in the floor slab; the bottom position of the steel structure hidden beam is higher than or equal to the bottom position of the floor slab, and the two ends of the steel structure hidden beam are respectively used to connect with two frame columns or a structural beam and a frame column.

[0008] In an optional embodiment, the floor slab includes a first floor slab and a second floor slab; the steel structure hidden beam is embedded between the first floor slab and the second floor slab; when the thickness of the building surface layer is greater than or equal to 100 mm, and the steel structure hidden beam serves as a support for the floor slab, the steel structure hidden beam is set upside down, and the bottom of the steel structure hidden beam is set flush with the bottom of the floor slab; a first truss is provided in the first floor slab; a second truss is provided in the second floor slab; the first truss is parallel to the steel structure hidden beam; the second truss is perpendicular to the steel structure hidden beam; the lower chord steel bar of the second truss is anchored on the lower flange plate of the steel structure hidden beam at one end close to the steel structure hidden beam; the first floor slab is provided with a first plate surface steel bar and a first plate bottom steel bar; one end of the first plate surface steel bar is passed through the first floor slab, and the other end passes through the web of the steel structure hidden beam and is connected to the upper chord steel bar of the second truss; the first plate bottom steel bar is passed through the first floor slab in a direction perpendicular to the steel structure hidden beam.

[0009] In an optional embodiment, the floor comprises a first floor and a second floor; the steel structure hidden beam is embedded between the first floor and the second floor; when the thickness of the building surface layer is greater than or equal to 100 mm, and the steel structure hidden beam serves as a support for the floor, the steel structure hidden beam is set upside down, and the bottom of the steel structure hidden beam is flush with the bottom of the floor; a first truss is arranged in the first floor; a second truss is arranged in the second floor; the first truss and the second truss are both perpendicular to the steel structure hidden beam; the lower chord steel bar of the first truss is anchored at one end close to the steel structure hidden beam on the lower flange plate of the steel structure hidden beam; the lower chord steel bar of the second truss is anchored at one end close to the steel structure hidden beam on the lower flange plate of the steel structure hidden beam; the upper chord steel bar of the first truss is connected to the upper chord steel bar of the second truss through additional steel bars on the plate surface; the additional steel bars on the plate surface penetrate the steel structure hidden beam in a direction perpendicular to the steel structure hidden beam;

[0010] Or, the floor slab includes a first floor slab and a second floor slab; the steel structure hidden beam is embedded between the first floor slab and the second floor slab; when the thickness of the building surface layer is greater than or equal to 100 mm, and the steel structure hidden beam serves as a support for the floor slab, the steel structure hidden beam is set upside down, and the bottom of the steel structure hidden beam is set flush with the bottom of the floor slab; a first truss is arranged in the first floor slab; a second truss is arranged in the second floor slab; the first truss is parallel to the steel structure hidden beam; the second truss is perpendicular to the steel structure hidden beam; the lower chord steel bar of the second truss is anchored on the lower flange plate of the steel structure hidden beam at one end close to the steel structure hidden beam; the first floor slab is provided with a first plate surface steel bar and a first plate bottom steel bar; the first plate surface steel bar and the first plate bottom steel bar are both arranged in the first floor slab in a direction perpendicular to the steel structure hidden beam.

[0011] In an optional embodiment, the floor slab includes a first floor slab and a second floor slab; the steel structure hidden beam is embedded between the first floor slab and the second floor slab; when the thickness of the building surface layer is greater than or equal to 100 mm, and the steel structure hidden beam does not serve as a support for the floor slab, the steel structure hidden beam is set upside down, and the bottom of the steel structure hidden beam is set flush with the bottom of the floor slab; a first truss is provided in the first floor slab; a second truss is provided in the second floor slab; the first truss and the second truss are both parallel to the steel structure hidden beam; the first floor slab is provided with a first plate surface steel bar and a first plate bottom steel bar; one end of the first plate surface steel bar is passed through the first floor slab, and the other end passes through the web of the steel structure hidden beam and is passed through the second floor slab; one end of the first plate bottom steel bar is passed through the first floor slab, and the other end passes through the web of the steel structure hidden beam and is passed through the second floor slab;

[0012] Or, the floor slab includes a first floor slab and a second floor slab; the steel structure hidden beam is embedded between the first floor slab and the second floor slab; when the thickness of the building surface layer is greater than or equal to 100 mm, and the steel structure hidden beam does not serve as a support for the floor slab, the steel structure hidden beam is set upside down, and the bottom of the steel structure hidden beam is set flush with the bottom of the floor slab; a first truss is arranged in the first floor slab; a second truss is arranged in the second floor slab; the first truss and the second truss are both perpendicular to the steel structure hidden beam; the upper chord steel bars of the first truss are connected to the upper chord steel bars of the second truss through additional steel bars on the plate surface; the additional steel bars on the plate surface penetrate the steel structure hidden beam in a direction perpendicular to the steel structure hidden beam; the lower chord steel bars of the first truss are connected to the lower chord steel bars of the second truss through additional steel bars at the bottom of the plate; the additional steel bars at the bottom of the plate penetrate the steel structure hidden beam in a direction perpendicular to the steel structure hidden beam.

[0013] In an optional implementation, the steel structure concealed beam is covered with a fixing portion at a position above the floor slab.

[0014] In an optional implementation, the fixing portion is a plain concrete fixing portion.

[0015] In an optional embodiment, the floor slab includes a first floor slab and a second floor slab; the steel structure hidden beam is embedded between the first floor slab and the second floor slab; when the thickness of the building surface layer is less than 100 mm and the steel structure hidden beam serves as a support for the floor slab, the top and bottom of the steel structure hidden beam are respectively arranged flush with the top and bottom of the floor slab; a first truss is provided in the first floor slab; a second truss is provided in the second floor slab; the first truss is parallel to the steel structure hidden beam; the second truss is perpendicular to the steel structure hidden beam; the lower chord steel bar of the second truss is anchored on the lower flange plate of the steel structure hidden beam at one end close to the steel structure hidden beam; the first floor slab is provided with a first plate surface steel bar and a first plate bottom steel bar; one end of the first plate surface steel bar is passed through the first floor slab, and the other end passes through the web of the steel structure hidden beam and is passed through the second floor slab; the first plate bottom steel bar is passed through the first floor slab in a direction perpendicular to the steel structure hidden beam.

[0016] In an optional embodiment, the floor comprises a first floor and a second floor; the steel structure hidden beam is embedded between the first floor and the second floor; when the thickness of the building surface layer is less than 100 mm, and the steel structure hidden beam serves as a support for the floor, the top and bottom of the steel structure hidden beam are respectively arranged flush with the top and bottom of the floor; a first truss is arranged in the first floor; a second truss is arranged in the second floor; the first truss and the second truss are both perpendicular to the steel structure hidden beam; the lower chord steel bar of the first truss is anchored at one end close to the steel structure hidden beam on the lower flange plate of the steel structure hidden beam; the lower chord steel bar of the second truss is anchored at one end close to the steel structure hidden beam on the lower flange plate of the steel structure hidden beam; the upper chord steel bar of the first truss is connected to the upper chord steel bar of the second truss through additional steel bars on the plate surface; the additional steel bars on the plate surface penetrate the steel structure hidden beam in a direction perpendicular to the steel structure hidden beam;

[0017] Or, the floor slab includes a first floor slab and a second floor slab; the steel structure hidden beam is embedded between the first floor slab and the second floor slab; when the thickness of the building surface layer is less than 100 mm and the steel structure hidden beam serves as a support for the floor slab, the top and bottom of the steel structure hidden beam are respectively arranged flush with the top and bottom of the floor slab; a first truss is arranged in the first floor slab; a second truss is arranged in the second floor slab; the first truss is parallel to the steel structure hidden beam; the second truss is perpendicular to the steel structure hidden beam; the lower chord steel bar of the second truss is anchored on the lower flange plate of the steel structure hidden beam at one end close to the steel structure hidden beam; the first floor slab is provided with a first plate surface steel bar and a first plate bottom steel bar; the first plate surface steel bar and the first plate bottom steel bar are both arranged in the first floor slab in a direction perpendicular to the steel structure hidden beam.

[0018] In an optional embodiment, the floor slab includes a first floor slab and a second floor slab; the steel structure hidden beam is embedded between the first floor slab and the second floor slab; when the thickness of the building surface layer is less than 100 mm and the steel structure hidden beam does not serve as a support for the floor slab, the top and bottom of the steel structure hidden beam are respectively arranged flush with the top and bottom of the floor slab; a first truss is arranged in the first floor slab; a second truss is arranged in the second floor slab; the first truss and the second truss are both parallel to the steel structure hidden beam; the first floor slab is provided with a first plate surface steel bar and a first plate bottom steel bar; one end of the first plate surface steel bar is passed through the first floor slab, and the other end passes through the web of the steel structure hidden beam and is passed through the second floor slab; one end of the first plate bottom steel bar is passed through the first floor slab, and the other end passes through the web of the steel structure hidden beam and is passed through the second floor slab;

[0019] Or, the floor slab includes a first floor slab and a second floor slab; the steel structure hidden beam is embedded between the first floor slab and the second floor slab; when the thickness of the building surface layer is less than 100 mm and the steel structure hidden beam does not serve as a support for the floor slab, the top and bottom of the steel structure hidden beam are respectively arranged flush with the top and bottom of the floor slab; a first truss is arranged in the first floor slab; a second truss is arranged in the second floor slab; the first truss and the second truss are both perpendicular to the steel structure hidden beam, the lower chord steel bars of the second truss and the upper chord steel bars of the second truss; the upper chord steel bars of the first truss are connected to the upper chord steel bars of the second truss through additional steel bars on the plate surface; the additional steel bars on the plate surface penetrate the steel structure hidden beam in a direction perpendicular to the steel structure hidden beam; the lower chord steel bars of the first truss are connected to the lower chord steel bars of the second truss through additional steel bars at the bottom of the plate; the additional steel bars at the bottom of the plate penetrate the steel structure hidden beam in a direction perpendicular to the steel structure hidden beam.

[0020] In an optional embodiment, the steel structure hidden beam is embedded in the floor slab; the top of the steel structure hidden beam is at a first preset distance from the top of the floor slab; the bottom of the steel structure hidden beam is at a second preset distance from the bottom of the floor slab; the floor slab is provided with a second plate surface steel bar and a second plate bottom steel bar; the second plate surface steel bar is passed through the floor slab in a direction perpendicular to the steel structure hidden beam, and the second plate surface steel bar is located above the steel structure hidden beam; the second plate bottom steel bar is passed through the floor slab in a direction perpendicular to the steel structure hidden beam, and the second plate bottom steel bar is located below the steel structure hidden beam;

[0021] Or, the steel structure hidden beam is embedded in the floor slab; the top of the steel structure hidden beam is a third preset distance away from the top of the floor slab; the bottom of the steel structure hidden beam is flush with the bottom of the floor slab; the floor slab is provided with a second plate surface steel bar and a second plate bottom steel bar; the second plate surface steel bar is passed through the floor slab in a direction perpendicular to the steel structure hidden beam, and the second plate surface steel bar is located above the steel structure hidden beam; the second plate bottom steel bar is passed through the floor slab in a direction perpendicular to the steel structure hidden beam, the second plate bottom steel bar is located between the upper flange plate and the lower flange plate of the steel structure hidden beam, and passes through the web of the steel structure hidden beam.

[0022] The technical solution of the present invention has the following advantages:

[0023] In the present invention, a steel structure hidden beam is used to connect two frame columns or a structural beam and a frame column to provide lateral constraints on the frame column. At the same time, the steel structure hidden beam is embedded in the floor slab, cast together with the floor slab, and bears force in coordination with the floor slab, so that a stable structure is formed as a whole, the integrity of the structure and the structural lateral force resistance are improved, and the overall stiffness and stability meet the requirements; when there is no connection between the frame columns, the increase in the amount of overall steel structure to ensure that the lateral stiffness and bearing capacity of the structure meet the requirements is avoided, and the amount of overall steel structure used in the structure is reduced; compared with the method of connecting with concrete hidden beams, the difficulty in welding the steel bars of the concrete hidden beam 9 to the frame column and the time-consuming and labor-intensive construction of the stirrups are avoided. The method of connecting with steel structure hidden beams has low construction difficulty and fast construction speed, improves construction efficiency and quality assurance rate, and reduces costs; in addition, the bottom position of the steel structure hidden beam is higher than or equal to the bottom position of the floor slab, avoids the situation of convex beams appearing indoors, improves space utilization and aesthetics, solves the needs of building renovation throughout the life cycle, improves the use quality of steel structure buildings, and improves user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 It is a structural view of the first prior art in the background technology;

[0026] Figure 2 A structural view of the second prior art in the background technology;

[0027] Figure 3It is an overall top view of the steel structure frame hidden beam structure after forming according to the embodiment of the present invention;

[0028] Figure 4 This is a first structural schematic diagram of a steel structure frame hidden beam structure according to an embodiment of the present invention;

[0029] Figure 5 This is a second structural schematic diagram of a steel structure frame hidden beam structure according to an embodiment of the present invention;

[0030] Figure 6 This is a third structural schematic diagram of a steel structure frame hidden beam structure according to an embodiment of the present invention;

[0031] Figure 7 This is a fourth structural schematic diagram of a steel structure frame hidden beam structure according to an embodiment of the present invention;

[0032] Figure 8 This is a fifth structural schematic diagram of a steel structure frame hidden beam structure according to an embodiment of the present invention;

[0033] Fig. 9 This is a sixth structural schematic diagram of a steel structure frame hidden beam structure according to an embodiment of the present invention;

[0034] Fig.10 This is a seventh structural schematic diagram of a steel structure frame hidden beam structure according to an embodiment of the present invention;

[0035] Fig.11 This is an eighth structural schematic diagram of a steel structure frame hidden beam structure according to an embodiment of the present invention;

[0036] Fig.12 This is a ninth structural schematic diagram of a steel structure frame hidden beam structure according to an embodiment of the present invention;

[0037] Fig.13 This is the tenth structural schematic diagram of a steel structure frame hidden beam structure according to an embodiment of the present invention;

[0038] Fig.14 This is an eleventh structural schematic diagram of a steel structure frame hidden beam structure according to an embodiment of the present invention;

[0039] Fig.15 This is the twelfth structural schematic diagram of a steel structure frame hidden beam structure according to an embodiment of the present invention.

[0040] Description of reference numerals:

[0041] 1. First floor slab; 2. Second floor slab; 3. Steel structure hidden beam; 4. Fixed part; 5. First slab surface steel bar; 6. First slab bottom steel bar; 7. Additional slab surface steel bar; 8. Additional slab bottom steel bar; 9. Concrete hidden beam; 10. Second slab surface steel bar; 11. Second slab bottom steel bar; 12. First steel bar; 13. Second steel bar; 14. Structural beam; 15. Frame beam. DETAILED DESCRIPTION

[0042] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0043] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must be provided with a specific orientation, constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0044] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0045] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0046] Combine the following Figures 3 to 15 , describing an embodiment of the present invention.

[0047] According to an embodiment of the present invention, a steel structure frame hidden beam structure is provided, comprising: a floor slab; a steel structure hidden beam 3, which is parallel to the floor slab and at least partially embedded in the floor slab; the bottom position of the steel structure hidden beam 3 is higher than or equal to the bottom position of the floor slab, and the two ends of the steel structure hidden beam 3 are respectively used to connect with two frame columns or a structural beam 14 and a frame column.

[0048] In this embodiment, a steel structure hidden beam 3 is used to connect between two frame columns or a structural beam 14 and a frame column to provide lateral constraints on the frame column. At the same time, the steel structure hidden beam 3 is embedded in the floor slab, cast together with the floor slab, and bears force in coordination with the floor slab, so that a stable structure is formed as a whole, the integrity of the structure and the structural lateral force resistance are improved, and the overall stiffness and stability meet the requirements; it is avoided that when there is no connection between the frame columns, the increase in the amount of overall steel structure is avoided to ensure that the lateral stiffness and bearing capacity of the structure meet the requirements, and the amount of overall steel structure used in the structure is reduced; compared with the method of connecting with concrete hidden beams 9, the difficulties in welding the steel bars of the concrete hidden beams 9 to the frame columns and the time-consuming and labor-intensive construction of the stirrups are avoided. The method of connecting with steel structure hidden beams 3 has low construction difficulty and fast construction speed, improves construction efficiency and quality assurance rate, and reduces costs; in addition, the bottom position of the steel structure hidden beam 3 is higher than or equal to the bottom position of the floor slab, which avoids the situation of convex beams in the room, improves space utilization and aesthetics, solves the needs of building renovation throughout the life cycle, improves the quality of steel structure buildings, and improves user experience.

[0049] Specifically, the structural beam 14 may be a frame beam, a secondary beam or other beams.

[0050] In one embodiment, Figure 4 As shown, the floor comprises a first floor slab 1 and a second floor slab 2; a steel structure hidden beam 3 is embedded between the first floor slab 1 and the second floor slab 2; when the thickness of the building surface layer is greater than or equal to 100 mm, and the steel structure hidden beam 3 serves as a support for the floor slab, the steel structure hidden beam 3 is set upward, and the bottom of the steel structure hidden beam 3 is set flush with the bottom of the floor slab; a first truss is arranged in the first floor slab 1; a second truss is arranged in the second floor slab 2; the first truss is parallel to the steel structure hidden beam 3, that is, the upper chord steel bars and the lower chord steel bars of the first truss are parallel to the steel structure hidden beam 3; The second trusses are perpendicular to the steel structure hidden beam 3, that is, the upper chord steel bars and the lower chord steel bars of the second truss are perpendicular to the steel structure hidden beam 3; the lower chord steel bars of the second truss are anchored on the lower flange plate of the steel structure hidden beam 3 at one end close to the steel structure hidden beam 3; the first floor slab 1 is provided with a first plate surface steel bar 5 and a first plate bottom steel bar 6; one end of the first plate surface steel bar 5 is passed through the first floor slab 1, and the other end passes through the web of the steel structure hidden beam 3 and is connected to the upper chord steel bar of the second truss; the first plate bottom steel bar 6 is passed through the first floor slab 1 in a direction perpendicular to the steel structure hidden beam 3.

[0051] It should be noted that the steel structure hidden beam 3 is an I-beam, and the first plate surface steel bar 5 and the first plate bottom steel bar 6 are both perpendicular to the steel structure hidden beam 3 .

[0052] The building surface layer refers to the surface structure of the floor or roof above the structural surface that is set up to meet the building function and decoration requirements, including additional layer structures such as the building overhead layer, cushion layer, leveling layer, moisture-proof layer, waterproof layer, thermal insulation layer, decorative panels, etc.

[0053] In this embodiment, the steel structure hidden beam 3 is embedded between the first floor 1 and the second floor 2, and the lower chord steel bars of the second truss of the second floor 2 are anchored in the lower flange plate of the steel structure hidden beam 3. At the same time, the first plate surface steel bar 5 passes through the web of the steel structure hidden beam 3 and extends into the second floor 2, and can be specifically connected with the upper chord steel bars of the second truss in the second floor 2. At the same time, the first plate bottom steel bar 6 is arranged in the first floor 1 to further improve the structural strength of the first floor 1. The steel structure hidden beam 3 can be cast together with the first floor 1 and the second floor 2. Through the above-mentioned connection structure, the steel structure hidden beam 3 is used as a support to achieve a rigid connection between the first floor 1 and the second floor 2, thereby improving the overall rigidity and bearing capacity. The steel structure hidden beam 3 is used to connect two frame columns or frame columns and structural beams 14, thereby improving the lateral bearing capacity of the frame columns and reducing The lateral displacement of the small structure can be reduced, thereby reducing the steel consumption of the frame columns, reducing costs, reducing construction intensity, and improving construction efficiency. In addition, the steel structure hidden beam 3, the first floor slab 1 and the second floor slab 2 are subjected to force in a coordinated manner, which improves the integrity of the structure and the structural resistance to lateral forces, ensures that the overall stiffness and stability meet the requirements, realizes beam-free local areas indoors, improves space utilization and aesthetics, solves the needs of building renovation throughout the life cycle, and improves the quality of steel structure buildings. The first plate bottom steel bars 6 and the first plate surface steel bars 5 can be tied or welded through the trusses of the first floor slab 1 or the second floor slab 2 and cast together. Compared with the method of setting up a concrete hidden beam 9, the difficulty in welding the steel bars of the concrete hidden beam 9 to the frame columns and the time-consuming and labor-intensive construction of stirrups are avoided. There is no need to avoid the upper chord steel bars and the web reinforcement position of the truss, which saves time and effort and reduces construction costs.

[0054] As a convertible implementation method, it can also be, for example Figure 5As shown, the floor comprises a first floor 1 and a second floor 2; a steel structure hidden beam 3 is embedded between the first floor 1 and the second floor 2; when the thickness of the building surface layer is greater than or equal to 100 mm, and the steel structure hidden beam 3 serves as a support for the floor, the steel structure hidden beam 3 is set up, and the bottom of the steel structure hidden beam 3 is set flush with the bottom of the floor; a first truss is arranged in the first floor 1; a second truss is arranged in the second floor 2; the first truss and the second truss are both perpendicular to the steel structure hidden beam 3, that is, the upper chord steel bars and the lower chord steel bars of the first truss and the second truss are both perpendicular to the steel structure hidden beam 3; the lower chord steel bars of the first truss are anchored on the lower flange plate of the steel structure hidden beam 3 at one end close to the steel structure hidden beam 3; the lower chord steel bars of the second truss are anchored on the lower flange plate of the steel structure hidden beam 3 at one end close to the steel structure hidden beam 3; the upper chord steel bars of the first truss are connected to the upper chord steel bars of the second truss through the additional steel bars 7 on the plate surface; the additional steel bars 7 on the plate surface penetrate the steel structure hidden beam 3 in a direction perpendicular to the steel structure hidden beam 3. By embedding the steel structure hidden beam 3 between the first floor 1 and the second floor 2, and the first plate bottom steel bar 6 of the first floor 1 and the lower chord steel bars of the second truss of the second floor 2 are anchored in the lower flange plate of the steel structure hidden beam 3, at the same time, the additional plate surface steel bars 7 are used to penetrate the steel structure hidden beam 3, and the first plate surface steel bars 5 and the upper chord steel bars of the second truss are connected through the additional plate surface steel bars 7. The steel structure hidden beam 3 can be cast together with the first floor 1 and the second floor 2. Through the mutual cooperation of the above-mentioned connection structure, the steel structure hidden beam 3 is used as a support to realize the rigid connection between the first floor 1 and the second floor 2, thereby improving the overall rigidity and bearing capacity; the steel structure hidden beam 3 is used to connect two frame columns or the frame column and the structural beam 14, thereby improving the lateral bearing capacity of the frame column, reducing the lateral displacement of the structure, and thereby reducing the steel consumption of the frame column. Reduce costs, reduce construction intensity, and improve construction efficiency; in addition, the steel structure hidden beam 3, the first floor slab 1 and the second floor slab 2 are subjected to force in a coordinated manner, which improves the integrity of the structure and the structural lateral resistance, ensures that the overall stiffness and stability meet the needs, and realizes beam-free local areas indoors, improves space utilization and aesthetics, solves the needs of building renovation throughout the life cycle, and improves the use quality of steel structure buildings; the additional steel bars 7 on the plate surface can be connected to the first plate surface steel bars 5 or the upper chord steel bars of the second truss by binding or welding, and pass through the truss of the first floor slab 1 or the second floor slab 2 and cast together. Compared with the method of setting up a concrete hidden beam 9, the difficulty in welding the steel bars of the concrete hidden beam 9 to the frame column and the time-consuming and labor-intensive construction of the stirrups are avoided. There is no need to avoid the upper chord steel bars and the web reinforcement position of the truss, which saves time and effort and reduces construction costs.

[0055] As a convertible implementation method, it can also be, for example Figure 6As shown, the floor comprises a first floor 1 and a second floor 2; a steel structure hidden beam 3 is embedded between the first floor 1 and the second floor 2; when the thickness of the building surface layer is greater than or equal to 100 mm, and the steel structure hidden beam 3 serves as a support for the floor, the steel structure hidden beam 3 is set upward, and the bottom of the steel structure hidden beam 3 is set flush with the bottom of the floor; a first truss is arranged in the first floor 1; a second truss is arranged in the second floor 2; the first truss is parallel to the steel structure hidden beam 3, that is, the upper chord steel bars and the lower chord steel bars of the first truss are parallel to the steel structure hidden beam 3; the second truss is perpendicular to the steel structure hidden beam 3, that is, the upper chord steel bars and the lower chord steel bars of the second truss are perpendicular to the steel structure hidden beam 3; the lower chord steel bars of the second truss are anchored on the lower flange plate of the steel structure hidden beam 3 at one end; the first floor 1 is provided with a first plate surface steel bar 5 and a first plate bottom steel bar 6; the first plate surface steel bar 5 and the first plate bottom steel bar 6 are both arranged in the first floor 1 in a direction perpendicular to the steel structure hidden beam 3. By embedding the steel structure hidden beam 3 between the first floor slab 1 and the second floor slab 2, and anchoring the lower chord steel bars of the second truss of the second floor slab 2 to the lower flange plate of the steel structure hidden beam 3, at the same time, the first plate surface steel bars 5 and the first plate bottom steel bars 6 are both arranged in the first floor slab 1, so as to improve the structural strength of the first floor slab 1, the steel structure hidden beam 3 can be cast together with the first floor slab 1 and the second floor slab 2, and the above-mentioned connection structure cooperates with each other, and the steel structure hidden beam 3 is used as a support to realize the hinge between the first floor slab 1 and the second floor slab 2, thereby improving the overall rigidity and bearing capacity; The steel structure hidden beam 3 connects two frame columns or frame columns and structural beams 14, improves the lateral bearing capacity of the frame columns, reduces the lateral displacement of the structure, and thus reduces the amount of steel used in the frame columns, reduces costs, reduces construction intensity, and improves construction efficiency; in addition, the steel structure hidden beam 3, the first floor slab 1, and the second floor slab 2 are subjected to force in a coordinated manner, which improves the integrity of the structure and the structural lateral resistance, ensures that the overall rigidity and stability meet the requirements, realizes the beam-free local area indoors, improves space utilization and aesthetics, solves the needs of building renovation throughout the life cycle, and improves the quality of steel structure buildings. Compared with the method of setting up concrete hidden beams 9, it avoids the difficulties in welding the steel bars of the concrete hidden beams 9 to the frame columns and the time-consuming and labor-intensive construction of stirrups, and does not need to avoid the upper chord steel bars and the web reinforcement positions of the truss, which saves time and effort and reduces construction costs.

[0056] As a convertible implementation method, it can also be, for example Figure 7As shown, the floor comprises a first floor 1 and a second floor 2; a steel structure hidden beam 3 is embedded between the first floor 1 and the second floor 2; when the thickness of the building surface layer is greater than or equal to 100 mm, and the steel structure hidden beam 3 does not serve as a support for the floor, the steel structure hidden beam 3 is set up, and the bottom of the steel structure hidden beam 3 is set flush with the bottom of the floor; a first truss is arranged in the first floor 1; a second truss is arranged in the second floor 2; the first truss and the second truss are both parallel to the steel structure hidden beam 3, that is, the upper chord steel bars and the lower chord steel bars of the first truss and the second truss are both parallel to the steel structure hidden beam 3; the first floor 1 is provided with a first plate surface steel bar 5 and a first plate bottom steel bar 6; one end of the first plate surface steel bar 5 is passed through the first floor 1, and the other end passes through the web of the steel structure hidden beam 3 and is passed through the second floor 2; one end of the first plate bottom steel bar 6 is passed through the first floor 1, and the other end passes through the web of the steel structure hidden beam 3 and is passed through the second floor 2. By embedding the steel structure hidden beam 3 between the first floor 1 and the second floor 2, and anchoring the lower chord steel bars of the second truss of the second floor 2 to the lower flange plate of the steel structure hidden beam 3, at the same time, the first plate surface steel bar 5 penetrates the steel structure hidden beam 3 and its two ends are respectively penetrated in the first floor 1 and the second floor 2, and the upper chord steel bars of the second truss penetrates the steel structure hidden beam 3 and its two ends are respectively penetrated in the first floor 1 and the second floor 2, so as to improve the structural strength of the connection between the first floor 1 and the second floor 2. The steel structure hidden beam 3 can be cast together with the first floor 1 and the second floor 2. Through the mutual cooperation of the above-mentioned connection structure, the connection between the first floor 1 and the second floor 2 is realized without considering the steel structure hidden beam 3 as a support, thereby improving the overall stiffness and bearing capacity; the steel structure hidden beam 3 is used to connect two frame columns or the frame column and the structural beam 14, so as to improve the lateral bearing capacity of the frame column. The load-bearing capacity is improved, the lateral displacement of the structure is reduced, and the amount of steel used in the frame columns is reduced, the cost is reduced, the construction intensity is reduced, and the construction efficiency is improved. In addition, the steel structure hidden beam 3, the first floor slab 1 and the second floor slab 2 are subjected to force in a coordinated manner, which improves the integrity of the structure and the structural resistance to lateral force, ensures that the overall stiffness and stability meet the requirements, realizes beam-free local areas indoors, improves space utilization and aesthetics, solves the needs of building renovation throughout the life cycle, and improves the quality of steel structure buildings. The first plate bottom steel bars 6 and the first plate surface steel bars 5 can be tied or welded through the trusses of the first floor slab 1 or the second floor slab 2 and cast together. Compared with the method of setting up concrete hidden beams 9, the difficulties in welding the steel bars of the concrete hidden beams 9 to the frame columns and the time-consuming and labor-intensive construction of stirrups are avoided. There is no need to avoid the upper chord steel bars and the web reinforcement positions of the trusses, which saves time and effort and reduces construction costs.

[0057] As a convertible implementation method, it can also be, for example Figure 8As shown, the floor comprises a first floor 1 and a second floor 2; a steel structure hidden beam 3 is embedded between the first floor 1 and the second floor 2; when the thickness of the building surface layer is greater than or equal to 100 mm, and the steel structure hidden beam 3 does not serve as a support for the floor, the steel structure hidden beam 3 is set up, and the bottom of the steel structure hidden beam 3 is flush with the bottom of the floor; a first truss is arranged in the first floor 1; a second truss is arranged in the second floor 2; the first truss and the second truss are both perpendicular to the steel structure hidden beam 3, that is, the upper chord steel bars and the lower chord steel bars of the first truss and the second truss are both perpendicular to the steel structure hidden beam 3; the upper chord steel bars of the first truss are connected to the upper chord steel bars of the second truss through the additional steel bars 7 on the plate surface; the additional steel bars 7 on the plate surface penetrate the steel structure hidden beam 3 in a direction perpendicular to the steel structure hidden beam 3; the lower chord steel bars of the first truss are connected to the lower chord steel bars of the second truss through the additional steel bars 8 on the bottom of the plate; the additional steel bars 8 on the bottom of the plate penetrate the steel structure hidden beam 3 in a direction perpendicular to the steel structure hidden beam 3. By embedding the steel structure hidden beam 3 between the first floor 1 and the second floor slab 2, and the first plate bottom steel bar 6 of the first floor slab 1 and the lower chord steel bars of the second truss of the second floor slab 2 are anchored in the lower flange plate of the steel structure hidden beam 3, at the same time, the additional plate surface steel bars 7 are used to penetrate the steel structure hidden beam 3, and the first plate surface steel bars 5 and the upper chord steel bars of the second truss are connected through the additional plate surface steel bars 7, and the additional plate bottom steel bars 8 are used to penetrate the steel structure hidden beam 3, and the lower chord steel bars of the second truss and the first plate bottom steel bars 6 are connected through the additional plate bottom steel bars 8. The steel structure hidden beam 3 can be cast together with the first floor slab 1 and the second floor slab 2. Through the cooperation of the above-mentioned connection structure, the connection between the first floor slab 1 and the second floor slab 2 is realized without considering the steel structure hidden beam 3 as a support, thereby improving the overall stiffness and bearing capacity; the steel structure hidden beam 3 is used to connect two frame columns or frame columns and structural beams 14, thereby improving the lateral bearing capacity of the frame columns, reducing the lateral displacement of the structure, and thereby reducing the steel consumption of the frame columns, thereby reducing Low cost, reduced construction intensity, and improved construction efficiency; in addition, the steel structure hidden beam 3, the first floor 1 and the second floor 2 are subjected to force in a coordinated manner, which improves the integrity of the structure and the structural lateral resistance, ensures that the overall stiffness and stability meet the needs, realizes beam-free local areas indoors, improves space utilization and aesthetics, solves the needs of building transformation throughout the life cycle, and improves the use quality of steel structure buildings; the additional steel bars 7 on the plate surface can be connected to the first plate surface steel bars 5 or the upper chord steel bars of the second truss by binding or welding, and the additional steel bars 8 on the plate bottom can be connected to the lower chord steel bars of the second truss or the first plate bottom steel bars 6 by binding or welding, and the additional steel bars 7 on the plate surface and the additional steel bars 7 on the plate surface are passed through the trusses of the first floor 1 or the second floor 2 and cast together. Compared with the method of setting a concrete hidden beam 9, the difficulty in welding the steel bars of the concrete hidden beam 9 to the frame columns and the time-consuming and labor-intensive construction of the stirrups are avoided, and there is no need to avoid the upper chord steel bars and the web reinforcement positions of the truss, which saves time and effort and reduces construction costs.

[0058] In one embodiment, if Figures 3 to 8 The steel structure concealed beam 3 is covered with a fixing portion 4 at a position above the floor slab.

[0059] In this embodiment, the fixing part 4 is covered on the upper return part of the steel structure hidden beam 3 to prevent fire and improve durability, thereby increasing the overall service life.

[0060] In one embodiment, the fixing portion 4 is a plain concrete fixing portion 4 .

[0061] In this embodiment, the fixing part 4 can be cast by plain concrete and wrapped around the outer periphery of the upper flange plate of the steel structure hidden beam 3, which not only plays a role in fire prevention and improving durability, but also cooperates with the lower flange plate of the steel structure hidden beam 3 on both sides to clamp the first floor 1 and the second floor 2 respectively, so as to improve the lateral support strength and ensure stability.

[0062] As a convertible implementation method, it can also be, for example Fig. 9As shown, the floor comprises a first floor 1 and a second floor 2; a steel structure hidden beam 3 is embedded between the first floor 1 and the second floor 2; when the thickness of the building surface layer is less than 100 mm and the steel structure hidden beam 3 serves as a support for the floor, the top and bottom of the steel structure hidden beam 3 are respectively arranged flush with the top and bottom of the floor; a first truss is arranged in the first floor 1; a second truss is arranged in the second floor 2; the first truss is parallel to the steel structure hidden beam 3; the second truss is perpendicular to the steel structure hidden beam 3; the lower chord steel bar of the second truss is anchored on the lower flange plate of the steel structure hidden beam 3 at one end close to the steel structure hidden beam 3; the first floor 1 is provided with a first plate surface steel bar 5 and a first plate bottom steel bar 6; one end of the first plate surface steel bar 5 is passed through the first floor 1, and the other end passes through the web of the steel structure hidden beam 3 and is passed through the second floor 2; the first plate bottom steel bar 6 is passed through the first floor 1 in a direction perpendicular to the steel structure hidden beam 3. Due to the small thickness of the building surface layer, the steel structure hidden beam 3 is embedded between the first floor slab 1 and the second floor slab 2, so that the top and bottom of the steel structure hidden beam 3 are respectively flush with the top and bottom of the floor slab, and the lower chord steel bars of the second truss of the second floor slab 2 are anchored in the lower flange plate of the steel structure hidden beam 3. At the same time, the first plate surface steel bar 5 passes through the web of the steel structure hidden beam 3 and extends into the second floor slab 2, and can be specifically connected with the upper chord steel bars of the second truss in the second floor slab 2. At the same time, the first plate bottom steel bar 6 is arranged in the first floor slab 1 to further improve the structural strength of the first floor slab 1. The steel structure hidden beam 3 can be cast together with the first floor slab 1 and the second floor slab 2. Through the above-mentioned connection structure, the steel structure hidden beam 3 is used as a support to achieve a rigid connection between the first floor slab 1 and the second floor slab 2, thereby improving the overall rigidity and bearing capacity; two frame columns or frame columns and structural beams are connected through the steel structure hidden beam 3. 14. Improve the lateral bearing capacity of the frame column, reduce the lateral displacement of the structure, and thus reduce the amount of steel used in the frame column, reduce costs, reduce construction intensity, and improve construction efficiency; in addition, the steel structure hidden beam 3, the first floor slab 1 and the second floor slab 2 are subjected to force in a coordinated manner, which improves the integrity of the structure and the structural resistance to lateral force, ensures that the overall stiffness and stability meet the requirements, realizes beam-free local areas indoors, improves space utilization and aesthetics, solves the needs of building renovation throughout the life cycle, and improves the quality of steel structure buildings; the first plate bottom steel bars 6 and the first plate surface steel bars 5 can be tied or welded through the truss of the first floor slab 1 or the second floor slab 2 and cast together. Compared with the method of setting up a concrete hidden beam 9, the difficulty in welding the steel bars of the concrete hidden beam 9 to the frame column and the time-consuming and labor-intensive construction of the stirrups are avoided. There is no need to avoid the upper chord steel bars and the web reinforcement position of the truss, which saves time and effort and reduces construction costs.

[0063] As a convertible implementation method, it can also be, for example Fig.10As shown, the floor comprises a first floor 1 and a second floor 2; a steel structure hidden beam 3 is embedded between the first floor 1 and the second floor 2; when the thickness of the building surface layer is less than 100 mm and the steel structure hidden beam 3 serves as a support for the floor, the top and bottom of the steel structure hidden beam 3 are respectively arranged flush with the top and bottom of the floor; a first truss is arranged in the first floor 1; a second truss is arranged in the second floor 2; the first truss and the second truss are both perpendicular to the steel structure hidden beam 3; the lower chord steel bar of the first truss is anchored on the lower flange plate of the steel structure hidden beam 3 at one end close to the steel structure hidden beam 3; the lower chord steel bar of the second truss is anchored on the lower flange plate of the steel structure hidden beam 3 at one end close to the steel structure hidden beam 3; the upper chord steel bar of the first truss is connected to the upper chord steel bar of the second truss through the additional steel bar 7 on the plate surface; the additional steel bar 7 on the plate surface penetrates the steel structure hidden beam 3 in a direction perpendicular to the steel structure hidden beam 3. Due to the small thickness of the building surface layer, the steel structure hidden beam 3 is embedded between the first floor slab 1 and the second floor slab 2, so that the top and bottom of the steel structure hidden beam 3 are respectively flush with the top and bottom of the floor slabs, and the first plate bottom steel bar 6 of the first floor slab 1 and the lower chord steel bars of the second truss of the second floor slab 2 are anchored in the lower flange plate of the steel structure hidden beam 3. At the same time, the plate surface additional steel bars 7 are used to penetrate the steel structure hidden beam 3, and the first plate surface steel bars 5 and the upper chord steel bars of the second truss are connected through the plate surface additional steel bars 7. The steel structure hidden beam 3 can be cast together with the first floor slab 1 and the second floor slab 2. Through the cooperation of the above-mentioned connection structure, the steel structure hidden beam 3 is used as a support to realize the rigid connection between the first floor slab 1 and the second floor slab 2, thereby improving the overall rigidity and bearing capacity; the steel structure hidden beam 3 is used to connect two frame columns or the frame column and the structural beam 14, thereby improving the lateral bearing capacity of the frame column and reducing the structure The lateral displacement of the structure is reduced, thereby reducing the amount of steel used in the frame columns, reducing costs, reducing construction intensity, and improving construction efficiency. In addition, the steel structure hidden beam 3, the first floor slab 1, and the second floor slab 2 are subjected to force in a coordinated manner, which improves the integrity of the structure and the structural lateral resistance, ensures that the overall stiffness and stability meet the requirements, and realizes beam-free local areas indoors, improves space utilization and aesthetics, solves the needs of building renovation throughout the life cycle, and improves the quality of steel structure buildings. The additional steel bars 7 on the plate surface can be connected to the first plate surface steel bars 5 or the upper chord steel bars of the second truss by binding or welding, and pass through the trusses of the first floor slab 1 or the second floor slab 2 and are cast together. Compared with the method of setting up concrete hidden beams 9, the difficulties in welding the steel bars of the concrete hidden beams 9 to the frame columns and the time-consuming and labor-intensive construction of stirrups are avoided. There is no need to avoid the upper chord steel bars and the web reinforcement positions of the truss, which saves time and effort and reduces construction costs.

[0064] As a convertible implementation method, it can also be, for example Fig.11As shown, the floor comprises a first floor 1 and a second floor 2; a steel structure hidden beam 3 is embedded between the first floor 1 and the second floor 2; when the thickness of the building surface layer is less than 100 mm and the steel structure hidden beam 3 serves as a support for the floor, the top and bottom of the steel structure hidden beam 3 are respectively arranged flush with the top and bottom of the floor; a first truss is arranged in the first floor 1; a second truss is arranged in the second floor 2; the first truss is parallel to the steel structure hidden beam 3; the second truss is perpendicular to the steel structure hidden beam 3; the lower chord steel bar of the second truss is anchored on the lower flange plate of the steel structure hidden beam 3 at one end close to the steel structure hidden beam 3; the first floor 1 is provided with a first plate surface steel bar 5 and a first plate bottom steel bar 6; the first plate surface steel bar 5 and the first plate bottom steel bar 6 are both arranged in the first floor 1 in a direction perpendicular to the steel structure hidden beam 3. Due to the small thickness of the building surface layer, the steel structure hidden beam 3 is embedded between the first floor slab 1 and the second floor slab 2, so that the top and bottom of the steel structure hidden beam 3 are respectively flush with the top and bottom of the floor slab, and the lower chord steel bars of the second truss of the second floor slab 2 are anchored in the lower flange plate of the steel structure hidden beam 3. At the same time, the first plate surface steel bars 5 and the first plate bottom steel bars 6 are both arranged in the first floor slab 1 to improve the structural strength of the first floor slab 1. The steel structure hidden beam 3 can be cast together with the first floor slab 1 and the second floor slab 2. Through the above-mentioned connection structure, the steel structure hidden beam 3 is used as a support to achieve the connection between the first floor slab 1 and the second floor slab 2. The hinge improves the overall rigidity and bearing capacity; the steel structure hidden beam 3 connects two frame columns or frame columns and structural beams 14, improves the lateral bearing capacity of the frame columns, reduces the lateral displacement of the structure, and thus reduces the amount of steel used in the frame columns, reduces costs, reduces construction intensity, and improves construction efficiency; in addition, the steel structure hidden beam 3, the first floor slab 1, and the second floor slab 2 are subjected to force in a coordinated manner, which improves the integrity of the structure and the structural lateral resistance, ensures that the overall rigidity and stability meet the requirements, realizes the beam-free local area indoors, improves space utilization and aesthetics, solves the needs of building renovation throughout the life cycle, and improves the quality of steel structure buildings. It avoids the difficulties in welding the steel bars of the concrete hidden beam 9 to the frame columns and the time-consuming and labor-intensive hoop reinforcement construction. There is no need to avoid the upper chord steel bars and the web reinforcement position of the truss, which saves time and effort and reduces construction costs.

[0065] As a convertible implementation method, it can also be, for example Fig.12As shown, the floor comprises a first floor slab 1 and a second floor slab 2; a steel structure hidden beam 3 is embedded between the first floor slab 1 and the second floor slab 2; when the thickness of the building surface layer is less than 100 mm and the steel structure hidden beam 3 does not serve as a support for the floor slab, the top and bottom of the steel structure hidden beam 3 are respectively arranged flush with the top and bottom of the floor slab; a first truss is arranged in the first floor slab 1; a second truss is arranged in the second floor slab 2; the first truss and the second truss are both parallel to the steel structure hidden beam 3; the first floor slab 1 is provided with a first plate surface steel bar 5 and a first plate bottom steel bar 6; one end of the first plate surface steel bar 5 is passed through the first floor slab 1, and the other end passes through the web of the steel structure hidden beam 3 and is passed through the second floor slab 2; one end of the first plate bottom steel bar 6 is passed through the first floor slab 1, and the other end passes through the web of the steel structure hidden beam 3 and is passed through the second floor slab 2. Due to the small thickness of the building surface layer, the steel structure hidden beam 3 is embedded between the first floor slab 1 and the second floor slab 2, so that the top and bottom of the steel structure hidden beam 3 are respectively flush with the top and bottom of the floor slab, and the lower chord steel bars of the second truss of the second floor slab 2 are anchored in the lower flange plate of the steel structure hidden beam 3. At the same time, the first plate surface steel bar 5 passes through the steel structure hidden beam 3 and its two ends are respectively passed through the first floor slab 1 and the second floor slab 2, and the upper chord steel bars of the second truss pass through the steel structure hidden beam 3 and its two ends are respectively passed through the first floor slab 1 and the second floor slab 2, thereby improving the structural strength of the connection between the first floor slab 1 and the second floor slab 2. The steel structure hidden beam 3 can be cast together with the first floor slab 1 and the second floor slab 2. Through the mutual cooperation of the above-mentioned connection structure, the connection between the first floor slab 1 and the second floor slab 2 is realized without considering the steel structure hidden beam 3 as a support, thereby improving the overall rigidity and bearing capacity; two frame columns or The frame columns and structural beams 14 improve the lateral bearing capacity of the frame columns, reduce the lateral displacement of the structure, and thus reduce the amount of steel used in the frame columns, reduce costs, reduce construction intensity, and improve construction efficiency; in addition, the steel structure hidden beams 3, the first floor slab 1 and the second floor slab 2 are subjected to force in a coordinated manner, which improves the integrity of the structure and the structural resistance to lateral forces, ensures that the overall stiffness and stability meet the requirements, realizes beam-free local areas indoors, improves space utilization and aesthetics, solves the needs of building renovation throughout the life cycle, and improves the quality of steel structure buildings. The first plate bottom steel bars 6 and the first plate surface steel bars 5 can be tied or welded through the trusses of the first floor slab 1 or the second floor slab 2 and cast together. Compared with the method of setting up concrete hidden beams 9, the difficulties in welding the steel bars of the concrete hidden beams 9 to the frame columns and the time-consuming and labor-intensive construction of stirrups are avoided. There is no need to avoid the upper chord steel bars and the web reinforcement positions of the truss, which saves time and effort and reduces construction costs.

[0066] As a convertible implementation method, it can also be, for example Fig.13As shown, the floor comprises a first floor slab 1 and a second floor slab 2; a steel structure hidden beam 3 is embedded between the first floor slab 1 and the second floor slab 2; when the thickness of the building surface layer is less than 100 mm and the steel structure hidden beam 3 does not serve as a support for the floor slab, the top and bottom of the steel structure hidden beam 3 are respectively arranged flush with the top and bottom of the floor slab; a first truss is arranged in the first floor slab 1; a second truss is arranged in the second floor slab 2; the first truss and the second truss are both perpendicular to the steel structure hidden beam 3, the lower chord steel bars of the second truss and the upper chord steel bars of the second truss; the upper chord steel bars of the first truss are connected to the upper chord steel bars of the second truss through the additional steel bars 7 on the plate surface; the additional steel bars 7 on the plate surface penetrate the steel structure hidden beam 3 in a direction perpendicular to the steel structure hidden beam 3; the lower chord steel bars of the first truss are connected to the lower chord steel bars of the second truss through the additional steel bars 8 on the bottom of the plate; the additional steel bars 8 on the bottom of the plate penetrate the steel structure hidden beam 3 in a direction perpendicular to the steel structure hidden beam 3. Due to the small thickness of the building surface layer, the steel structure hidden beam 3 is embedded between the first floor 1 and the second floor 2, so that the top and bottom of the steel structure hidden beam 3 are respectively flush with the top and bottom of the floor, and the first plate bottom steel bar 6 of the first floor 1 and the lower chord steel bar of the second truss of the second floor 2 are anchored in the lower flange plate of the steel structure hidden beam 3. At the same time, the additional plate surface steel bar 7 is used to penetrate the steel structure hidden beam 3, and the first plate surface steel bar 5 and the upper chord steel bar of the second truss are connected through the additional plate surface steel bar 7, and the additional plate bottom steel bar 8 is used. The steel structure hidden beam 3 penetrates through the steel structure, and connects the lower chord steel bars of the second truss and the first slab bottom steel bars 6 through the additional steel bars 8 at the bottom of the slab. The steel structure hidden beam 3 can be cast together with the first floor slab 1 and the second floor slab 2. Through the above-mentioned connection structure, the connection between the first floor slab 1 and the second floor slab 2 is achieved without considering the steel structure hidden beam 3 as a support, thereby improving the overall rigidity and bearing capacity; the steel structure hidden beam 3 is used to connect two frame columns or frame columns and structural beams 14, thereby improving the lateral bearing capacity of the frame columns and reducing the structure Lateral displacement, thereby reducing the amount of steel used in the frame columns, reducing costs, reducing construction intensity, and improving construction efficiency; in addition, the steel structure hidden beam 3, the first floor slab 1 and the second floor slab 2 are subjected to force in a coordinated manner, which improves the integrity of the structure and the structural lateral resistance, ensures that the overall stiffness and stability meet the needs, realizes beam-free local areas indoors, improves space utilization and aesthetics, solves the needs of building renovation throughout the life cycle, and improves the use quality of steel structure buildings; the additional steel bars 7 on the plate surface can be connected to the upper chord steel bars of the first truss or the upper chord steel bars of the second truss by binding or welding, and the additional steel bars 8 on the bottom of the plate can be connected to the lower chord steel bars of the second truss or the lower chord steel bars of the first truss by binding or welding, and the additional steel bars 7 on the plate surface and the additional steel bars 7 on the plate surface are passed through the trusses of the first floor slab 1 or the second floor slab 2 and cast together. Compared with the method of setting a concrete hidden beam 9, the difficulty in welding the steel bars of the concrete hidden beam 9 to the frame columns and the time-consuming and labor-intensive construction of the stirrups are avoided, and there is no need to avoid the upper chord steel bars and the web reinforcement position of the truss, which saves time and effort and reduces construction costs.

[0067] Specifically, the web of the steel structure hidden beam 3 is provided with a first hole for the first plate surface reinforcement 5 to pass through.

[0068] Specifically, the web of the steel structure concealed beam 3 is provided with a second hole for the first plate bottom reinforcement 6 to pass through.

[0069] Specifically, the web of the steel structure hidden beam 3 is provided with a third opening for the additional steel bars 7 on the plate surface to pass through.

[0070] Specifically, the web of the steel structure concealed beam 3 is provided with a fourth opening for the additional reinforcement 8 at the bottom of the plate to pass through.

[0071] Specifically, a plurality of first plate surface steel bars 5 are provided and are spaced apart along the length direction of the steel structure hidden beam 3 to improve the structural strength.

[0072] Specifically, a plurality of first slab bottom steel bars 6 are provided and are spaced apart along the length direction of the steel structure hidden beam 3 to improve the structural strength.

[0073] Specifically, a plurality of additional steel bars 7 are provided on the plate surface and are spaced apart along the length direction of the steel structure hidden beam 3 to improve the structural strength.

[0074] Specifically, a plurality of additional steel bars 8 are provided at the bottom of the slab and are spaced apart along the length direction of the hidden steel beam 3 to improve the structural strength.

[0075] Specifically, the first plate surface reinforcement 5 and the first plate bottom reinforcement 6 are located between the upper chord reinforcement and the lower chord reinforcement of the first truss to improve the structural strength.

[0076] As a convertible implementation method, it can also be, for example Fig.14As shown, the steel structure hidden beam 3 is embedded in the floor slab; the top of the steel structure hidden beam 3 is at a first preset distance from the top of the floor slab; the bottom of the steel structure hidden beam 3 is at a second preset distance from the bottom of the floor slab; the floor slab is provided with a second plate surface reinforcement 10 and a second plate bottom reinforcement 11; the second plate surface reinforcement 10 is passed through the floor slab in a direction perpendicular to the steel structure hidden beam 3, and the second plate surface reinforcement 10 is located above the steel structure hidden beam 3; the second plate bottom reinforcement 11 is passed through the floor slab in a direction perpendicular to the steel structure hidden beam 3, and the second plate bottom reinforcement 11 is located below the steel structure hidden beam 3. It should be noted that there is a third truss in the floor slab, and the third truss is parallel to the steel structure hidden beam 3. When the thickness of the building surface layer is large, specifically when the thickness of the building surface layer is 200mm-300mm, the absolute value of the height of the steel structure hidden beam 3 is less than the absolute value of the thickness of the floor slab, and the floor slab is set in an integrated manner, and the steel structure hidden beam 3 can be embedded in the floor slab as a whole, and the top of the steel structure hidden beam 3 is at a first preset distance from the top of the floor slab in the vertical direction, and the bottom of the steel structure hidden beam 3 is at a second preset distance from the bottom of the floor slab in the vertical direction, so as to reserve a certain thickness space for arranging the steel bars, and the first plate surface steel bars 5 and the first plate bottom steel bars 6 are respectively arranged on the upper side and the lower side of the steel structure hidden beam 3, so that the generated bearing force acts on the steel structure A hidden beam 3 is constructed, and the steel structure hidden beam 3 is cast and formed integrally with the floor slab, which improves the integrity of the structure, makes the steel structure hidden beam 3 and the floor slab bear force synergistically, improves the overall stiffness and bearing capacity, ensures that the overall stiffness and stability meet the requirements, realizes beam-free in some areas indoors, improves space utilization and aesthetics, solves the needs of building renovation throughout the life cycle, and improves the use quality of steel structure buildings; in addition, the steel structure hidden beam 3 is used to connect two frame columns or frame columns and structural beams 14, thereby improving the lateral bearing capacity of the frame columns, reducing the lateral displacement of the structure, and thereby reducing the amount of steel used in the frame columns, reducing costs, reducing construction intensity, and improving construction efficiency.

[0077] As a convertible implementation method, it can also be, for example Fig.15As shown, the steel structure hidden beam 3 is embedded in the floor slab; the top of the steel structure hidden beam 3 is at a third preset distance from the top of the floor slab; the bottom of the steel structure hidden beam 3 is flush with the bottom of the floor slab; the floor slab is provided with a second plate surface steel bar 10 and a second plate bottom steel bar 11; the second plate surface steel bar 10 is passed through the floor slab in a direction perpendicular to the steel structure hidden beam 3, and the second plate surface steel bar 10 is located above the steel structure hidden beam 3; the second plate bottom steel bar 11 is passed through the floor slab in a direction perpendicular to the steel structure hidden beam 3, and the second plate bottom steel bar 11 is located between the upper flange plate and the lower flange plate of the steel structure hidden beam 3, and passes through the web of the steel structure hidden beam 3. It should be noted that there is a third truss in the floor slab, and the third truss is parallel to the steel structure hidden beam 3. When the thickness of the building surface layer is relatively large, specifically when the thickness of the building surface layer is between 200mm and 300mm, the absolute value of the height of the steel structure hidden beam 3 is less than the absolute value of the thickness of the floor slab. The floor slab is arranged in an integrated manner, and the steel structure hidden beam 3 can be embedded as a whole in the floor slab, and the top of the steel structure hidden beam 3 is at a third preset distance from the top of the floor slab in the vertical direction to reserve a certain thickness space for arranging the steel bars, the bottom of the steel structure hidden beam 3 is arranged flush with the bottom of the floor slab, and the first plate surface steel bar 5 is arranged on the upper side of the steel structure hidden beam 3, and the first plate bottom steel bar 6 runs through the web of the steel structure hidden beam 3, so that the generated bearing force acts on the steel structure Hidden beam 3, and the steel structure hidden beam 3 is cast and formed integrally with the floor slab, which improves the integrity of the structure, makes the steel structure hidden beam 3 and the floor slab bear force synergistically, improves the overall stiffness and bearing capacity, ensures that the overall stiffness and stability meet the needs, realizes beam-free in some areas indoors, improves space utilization and aesthetics, solves the needs of building renovation throughout the life cycle, and improves the use quality of steel structure buildings; in addition, the steel structure hidden beam 3 is used to connect two frame columns or frame columns and structural beams 14, thereby improving the lateral bearing capacity of the frame columns, reducing the lateral displacement of the structure, and thereby reducing the amount of steel used in the frame columns, reducing costs, reducing construction intensity, and improving construction efficiency.

[0078] Specifically, Fig.14 and Fig.15 As shown, a plurality of first steel bars 12 and a second steel bar 13 are further provided in the floor slab, and the first steel bars 12 and the second steel bars 13 are both arranged in a direction perpendicular to the first plate surface steel bars 5; the plurality of first steel bars 12 are arranged at intervals along the length direction of the first plate surface steel bars 5, with an interval of at least 100 mm, and are located above the first plate surface steel bars 5; the plurality of second steel bars 13 are arranged at intervals along the length direction of the first plate bottom steel bars 6, with an interval of at least 100 mm, and are located below the first plate bottom steel bars 6; the first steel bars 12 are used to provide support for the first plate surface steel bars 5 above the first plate surface steel bars 5, and the second steel bars 13 are used to provide support for the first plate bottom steel bars 6 below the first plate bottom steel bars 6, thereby further improving the overall structural strength to improve the bearing capacity.

[0079] Specifically, the first preset distance is equal to the second preset distance, and the first preset distance is greater than or equal to the total of the thickness of the plate reinforcement protective layer plus twice the diameter of the first plate surface reinforcement 5 to ensure that sufficient layout space is left.

[0080] Specifically, the third preset distance is greater than or equal to the sum of the thickness of the plate reinforcement protective layer plus twice the diameter of the first plate surface reinforcement 5 to ensure that there is enough layout space.

[0081] Specifically, the web of the steel structure hidden beam 3 is provided with a fifth opening for the second plate surface reinforcement 10 to pass through.

[0082] Specifically, the web of the steel structure concealed beam 3 is provided with a sixth opening for the second slab bottom reinforcement 11 to pass through.

[0083] Specifically, a plurality of second plate surface steel bars 10 are provided and are spaced apart along the length direction of the steel structure hidden beam 3 to improve the structural strength.

[0084] Specifically, a plurality of second slab bottom steel bars 11 are provided and are spaced apart along the length direction of the steel structure hidden beam 3 to improve the structural strength.

[0085] Specifically, the second slab surface reinforcement 10 and the second slab bottom reinforcement 11 are located between the upper chord reinforcement and the lower chord reinforcement of the third truss to improve the structural strength.

[0086] The present embodiment provides a steel structure frame hidden beam structure, which provides a variety of different connection modes through the steel structure hidden beam 3 embedded in the floor slab according to different situations. The specific connection modes can be selected according to actual needs (for example, different spans, different loads, different surface thicknesses, different beam-slab coordinated force relationships, and different conditions such as the layout direction of the trusses in the floor slab). It can not only realize the connection between two frame columns or frame columns and structural beams 14, meet the requirements of lateral resistance, reduce the lateral displacement of the structure, and thus achieve the purpose of reducing the amount of structural steel and reducing the cost of the steel structure, but also can ensure the overall structural strength while realizing the beam-free local area indoors, improve space utilization and aesthetics, meet the needs of building renovation throughout the life cycle, improve the quality of steel structure buildings, and reduce construction difficulty and improve construction efficiency; the first plate surface steel bar 5, the first plate bottom steel bar 6, the second plate surface steel bar 10, the second plate bottom steel bar 11, the plate surface additional steel bar 7 and the plate bottom additional steel bar 8 are used to penetrate the floor slab for connection, so as to improve the integrity of the structure, so that the floor slab and the steel structure hidden beam 3 are coordinated to bear force, and the overall stiffness and bearing capacity are improved. The invention aims to solve the technical problems that the steel structure frames cannot be directly connected by the frame beam 15 to ensure that there is no convex beam indoors, and the method of connecting the frame columns by using concrete hidden beams has weak rigidity and bearing capacity, great construction difficulty and high cost.

[0087] Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations are all within the scope defined by the appended claims.

Claims

1. A steel frame concealed beam structure, characterized in that: include: Floor slab; A steel structure hidden beam (3) is parallel to the floor slab and is at least partially embedded in the floor slab; the bottom position of the steel structure hidden beam (3) is higher than or equal to the bottom position of the floor slab, and the two ends of the steel structure hidden beam (3) are respectively used to connect with two frame columns or a structural beam (14) and a frame column.

2. The steel structure frame hidden beam structure according to claim 1, characterized in that: The floor slab comprises a first floor slab (1) and a second floor slab (2); the steel structure hidden beam (3) is embedded between the first floor slab (1) and the second floor slab (2); when the thickness of the building surface layer is greater than or equal to 100 mm, and the steel structure hidden beam (3) serves as a support for the floor slab, the steel structure hidden beam (3) is arranged upward, and the bottom of the steel structure hidden beam (3) is arranged flush with the bottom of the floor slab; a first truss is arranged in the first floor slab (1); a second truss is arranged in the second floor slab (2); the first truss is parallel to the steel structure hidden beam (3); the second The truss is perpendicular to the steel structure hidden beam (3); one end of the lower chord steel bar of the second truss close to the steel structure hidden beam (3) is anchored on the lower flange plate of the steel structure hidden beam (3); the first floor slab (1) is provided with a first plate surface steel bar (5) and a first plate bottom steel bar (6); one end of the first plate surface steel bar (5) is passed through the first floor slab (1), and the other end passes through the web of the steel structure hidden beam (3) and is connected to the upper chord steel bar of the second truss; the first plate bottom steel bar (6) is passed through the first floor slab (1) in a direction perpendicular to the steel structure hidden beam (3).

3. The steel structure frame hidden beam structure according to claim 1, characterized in that: The floor slab comprises a first floor slab (1) and a second floor slab (2); the steel structure hidden beam (3) is embedded between the first floor slab (1) and the second floor slab (2); when the thickness of the building surface layer is greater than or equal to 100 mm and the steel structure hidden beam (3) serves as a support for the floor slab, the steel structure hidden beam (3) is arranged upward, and the bottom of the steel structure hidden beam (3) is arranged flush with the bottom of the floor slab; a first truss is arranged in the first floor slab (1); a second truss is arranged in the second floor slab (2); the first truss and the second truss The first truss is perpendicular to the hidden beam (3) of the steel structure; the lower chord steel bar of the first truss is anchored to the lower flange plate of the hidden beam (3) at one end close to the hidden beam (3) of the steel structure; the lower chord steel bar of the second truss is anchored to the lower flange plate of the hidden beam (3) of the steel structure; the upper chord steel bar of the first truss is connected to the upper chord steel bar of the second truss through the additional steel bar (7) on the plate surface; the additional steel bar (7) on the plate surface penetrates the hidden beam (3) of the steel structure in a direction perpendicular to the hidden beam (3) of the steel structure; Or, the floor comprises a first floor (1) and a second floor (2); the steel structure hidden beam (3) is embedded between the first floor (1) and the second floor (2); when the thickness of the building surface layer is greater than or equal to 100 mm, and the steel structure hidden beam (3) serves as a support for the floor, the steel structure hidden beam (3) is arranged upward, and the bottom of the steel structure hidden beam (3) is arranged flush with the bottom of the floor; the first floor (1) is provided with a first truss; the second floor (2) is provided with a second truss The first truss is parallel to the steel structure hidden beam (3); the second truss is perpendicular to the steel structure hidden beam (3); the lower chord steel bar of the second truss is anchored to the lower flange plate of the steel structure hidden beam (3) at one end thereof; the first floor slab (1) is provided with a first slab surface steel bar (5) and a first slab bottom steel bar (6); the first slab surface steel bar (5) and the first slab bottom steel bar (6) are both arranged in the first floor slab (1) in a direction perpendicular to the steel structure hidden beam (3).

4. The steel structure frame hidden beam structure according to claim 1, characterized in that: The floor slab comprises a first floor slab (1) and a second floor slab (2); the steel structure hidden beam (3) is embedded between the first floor slab (1) and the second floor slab (2); when the thickness of the building surface layer is greater than or equal to 100 mm, and the steel structure hidden beam (3) does not serve as a support for the floor slab, the steel structure hidden beam (3) is arranged upward, and the bottom of the steel structure hidden beam (3) is arranged flush with the bottom of the floor slab; a first truss is arranged in the first floor slab (1); a second truss is arranged in the second floor slab (2); The first truss and the second truss are both parallel to the steel structure hidden beam (3); the first floor slab (1) is provided with a first plate surface steel bar (5) and a first plate bottom steel bar (6); one end of the first plate surface steel bar (5) is inserted into the first floor slab (1), and the other end passes through the web of the steel structure hidden beam (3) and is inserted into the second floor slab (2); one end of the first plate bottom steel bar (6) is inserted into the first floor slab (1), and the other end passes through the web of the steel structure hidden beam (3) and is inserted into the second floor slab (2); Or, the floor comprises a first floor (1) and a second floor (2); the steel structure hidden beam (3) is embedded between the first floor (1) and the second floor (2); when the thickness of the building surface layer is greater than or equal to 100 mm, and the steel structure hidden beam (3) does not serve as a support for the floor, the steel structure hidden beam (3) is arranged upward, and the bottom of the steel structure hidden beam (3) is arranged flush with the bottom of the floor; a first truss is arranged in the first floor (1); a second truss is arranged in the second floor (2); the first The truss and the second truss are both perpendicular to the steel structure hidden beam (3); the upper chord steel bars of the first truss are connected to the upper chord steel bars of the second truss via additional steel bars (7) on the plate surface; the additional steel bars (7) on the plate surface penetrate the steel structure hidden beam (3) in a direction perpendicular to the steel structure hidden beam (3); the lower chord steel bars of the first truss are connected to the lower chord steel bars of the second truss via additional steel bars (8) on the plate bottom; the additional steel bars (8) on the plate bottom penetrate the steel structure hidden beam (3) in a direction perpendicular to the steel structure hidden beam (3).

5. The steel structure frame concealed beam structure according to any one of claims 2 to 4, characterized in that: The steel structure concealed beam (3) is coated with a fixing portion (4) at a position above the floor slab.

6. The steel structure frame hidden beam structure according to claim 5, characterized in that: The fixing part (4) is a plain concrete fixing part (4).

7. The steel structure frame hidden beam structure according to claim 1, characterized in that: The floor slab comprises a first floor slab (1) and a second floor slab (2); the steel structure hidden beam (3) is embedded between the first floor slab (1) and the second floor slab (2); when the thickness of the building surface layer is less than 100 mm and the steel structure hidden beam (3) serves as a support for the floor slab, the top and bottom of the steel structure hidden beam (3) are respectively arranged flush with the top and bottom of the floor slab; a first truss is arranged in the first floor slab (1); a second truss is arranged in the second floor slab (2); the first truss is parallel to the steel structure hidden beam (3); the second truss is parallel to the first truss; The steel structure hidden beam (3) is vertical; one end of the lower chord steel bar of the second truss close to the steel structure hidden beam (3) is anchored on the lower flange plate of the steel structure hidden beam (3); the first floor slab (1) is provided with a first plate surface steel bar (5) and a first plate bottom steel bar (6); one end of the first plate surface steel bar (5) is inserted into the first floor slab (1), and the other end passes through the web of the steel structure hidden beam (3) and is inserted into the second floor slab (2); the first plate bottom steel bar (6) is inserted into the first floor slab (1) along a direction perpendicular to the steel structure hidden beam (3).

8. The steel structure frame hidden beam structure according to claim 1, characterized in that: The floor slab comprises a first floor slab (1) and a second floor slab (2); the steel structure hidden beam (3) is embedded between the first floor slab (1) and the second floor slab (2); when the thickness of the building surface layer is less than 100 mm and the steel structure hidden beam (3) serves as a support for the floor slab, the top and bottom of the steel structure hidden beam (3) are respectively arranged flush with the top and bottom of the floor slab; a first truss is arranged in the first floor slab (1); a second truss is arranged in the second floor slab (2); the first truss and the second truss are both connected to the steel structure hidden beam The steel structure hidden beam (3) is vertical; one end of the lower chord steel bar of the first truss close to the steel structure hidden beam (3) is anchored on the lower flange plate of the steel structure hidden beam (3); one end of the lower chord steel bar of the second truss close to the steel structure hidden beam (3) is anchored on the lower flange plate of the steel structure hidden beam (3); the upper chord steel bar of the first truss is connected to the upper chord steel bar of the second truss through the additional steel bar (7) on the plate surface; the additional steel bar (7) on the plate surface penetrates the steel structure hidden beam (3) in a direction perpendicular to the steel structure hidden beam (3); Or, the floor comprises a first floor (1) and a second floor (2); the steel structure hidden beam (3) is embedded between the first floor (1) and the second floor (2); when the thickness of the building surface layer is less than 100 mm and the steel structure hidden beam (3) serves as a support for the floor, the top and bottom of the steel structure hidden beam (3) are respectively arranged flush with the top and bottom of the floor; a first truss is arranged in the first floor (1); a second truss is arranged in the second floor (2); the first truss is parallel to the steel structure hidden beam (3); the second truss is perpendicular to the steel structure hidden beam (3); the lower chord steel bar of the second truss is anchored to the lower flange plate of the steel structure hidden beam (3) at one end close to the steel structure hidden beam (3); the first floor (1) is provided with a first plate surface steel bar (5) and a first plate bottom steel bar (6); the first plate surface steel bar (5) and the first plate bottom steel bar (6) are both arranged in the first floor (1) in a direction perpendicular to the steel structure hidden beam (3).

9. The steel structure frame hidden beam structure according to claim 1, characterized in that: The floor slab comprises a first floor slab (1) and a second floor slab (2); the steel structure hidden beam (3) is embedded between the first floor slab (1) and the second floor slab (2); when the thickness of the building surface layer is less than 100 mm and the steel structure hidden beam (3) does not serve as a support for the floor slab, the top and bottom of the steel structure hidden beam (3) are respectively arranged flush with the top and bottom of the floor slab; the first floor slab (1) is provided with a first truss; the second floor slab (2) is provided with a second truss; the first truss and the The second trusses are parallel to the steel structure hidden beam (3); the first floor slab (1) is provided with a first plate surface steel bar (5) and a first plate bottom steel bar (6); one end of the first plate surface steel bar (5) is inserted into the first floor slab (1), and the other end passes through the web of the steel structure hidden beam (3) and is inserted into the second floor slab (2); one end of the first plate bottom steel bar (6) is inserted into the first floor slab (1), and the other end passes through the web of the steel structure hidden beam (3) and is inserted into the second floor slab (2); Or, the floor comprises a first floor (1) and a second floor (2); the steel structure hidden beam (3) is embedded between the first floor (1) and the second floor (2); when the thickness of the building surface layer is less than 100 mm and the steel structure hidden beam (3) does not serve as a support for the floor, the top and bottom of the steel structure hidden beam (3) are respectively arranged flush with the top and bottom of the floor; the first floor (1) is provided with a first truss; the second floor (2) is provided with a second truss; the first truss and the second truss are both connected to the steel structure The structural hidden beam (3) is perpendicular to the lower chord steel bars of the second truss and the upper chord steel bars of the second truss; the upper chord steel bars of the first truss are connected to the upper chord steel bars of the second truss through the additional steel bars (7) on the plate surface; the additional steel bars (7) on the plate surface penetrate the steel structure hidden beam (3) in a direction perpendicular to the steel structure hidden beam (3); the lower chord steel bars of the first truss are connected to the lower chord steel bars of the second truss through the additional steel bars (8) on the bottom of the plate; the additional steel bars (8) on the bottom of the plate penetrate the steel structure hidden beam (3) in a direction perpendicular to the steel structure hidden beam (3).

10. The steel structure frame hidden beam structure according to claim 1, characterized in that: The steel structure hidden beam (3) is embedded in the floor slab; the top of the steel structure hidden beam (3) is at a first preset distance from the top of the floor slab; the bottom of the steel structure hidden beam (3) is at a second preset distance from the bottom of the floor slab; the floor slab is provided with a second plate surface steel bar (10) and a second plate bottom steel bar (11); the second plate surface steel bar (10) is passed through the floor slab in a direction perpendicular to the steel structure hidden beam (3), and the second plate surface steel bar (10) is located above the steel structure hidden beam (3); the second plate bottom steel bar (11) is passed through the floor slab in a direction perpendicular to the steel structure hidden beam (3), and the second plate bottom steel bar (11) is located below the steel structure hidden beam (3); Or, the steel structure hidden beam (3) is embedded in the floor slab; the top of the steel structure hidden beam (3) is a third preset distance away from the top of the floor slab; the bottom of the steel structure hidden beam (3) is arranged flush with the bottom of the floor slab; the floor slab is provided with a second plate surface steel bar (10) and a second plate bottom steel bar (11); the second plate surface steel bar (10) is passed through the floor slab in a direction perpendicular to the steel structure hidden beam (3), and the second plate surface steel bar (10) is located above the steel structure hidden beam (3); the second plate bottom steel bar (11) is passed through the floor slab in a direction perpendicular to the steel structure hidden beam (3), and the second plate bottom steel bar (11) is located between the upper flange plate and the lower flange plate of the steel structure hidden beam (3), and passes through the web of the steel structure hidden beam (3).

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