Steel joint connection mixed frame structure and mixed frame supporting structure

Abstract

The utility model discloses a steel joint connection mixed frame structure which comprises a building frame layer, and the building frame layer comprises prefabricated frame columns distributed on the periphery of the building frame layer, prefabricated main beams erected between the prefabricated frame columns and floor bearing plates fixed to the prefabricated main beams. Each prefabricated frame column comprises a column body and a connector with a steel column beam, the connector with the steel column beam is arranged in the middle of the column body corresponding to each layer of the building frame layer, and the prefabricated main beam is in bolted connection with a column beam connecting plate of the connector with the steel column beam through the first strip steel connector at the end so that the prefabricated main beam can be erected between the prefabricated frame columns. The utility model further discloses a mixed frame supporting structure construction which comprises a building frame layer and supporting columns, and the supporting columns are obliquely arranged between every two adjacent prefabricated frame columns. According to the utility model, on-site quick connection and installation of the frame structure can be realized, and the construction efficiency is improved on the basis of ensuring the construction quality.

Description

Technical Field

[0001] This utility model relates to the field of building structure technology, specifically to a steel node connection hybrid frame structure and a hybrid frame support structure. Background Technology

[0002] In current construction processes, concrete is typically mixed and poured on-site. However, due to the large amount of on-site support and formwork work involved in cast-in-place frame structures, the construction period is long, and the quality of reinforced concrete construction is difficult to guarantee. Therefore, through continuous innovation in construction technology, precast frame structures have become a popular construction technology.

[0003] Traditional cast-in-place frame structures involve a large amount of on-site support and formwork construction, a long construction period, and difficulty in ensuring the quality of reinforced concrete construction; the quality of on-site grouting of precast columns in precast frame structures is difficult to guarantee, and column supports need to be installed before grouting the precast column sleeves. Utility Model Content

[0004] The purpose of this utility model is to provide a steel node connection hybrid frame structure and a hybrid frame support structure to achieve rapid on-site connection and installation of the frame structure, thereby improving construction efficiency while ensuring construction quality. To achieve the above objective, this utility model adopts the following technical solution:

[0005] This utility model discloses a steel node connection hybrid frame structure, including: a multi-story building frame layer, wherein the building frame layer includes: precast frame columns, precast main beams and floor decking.

[0006] The precast frame columns are arranged around the perimeter of the building frame layer and include: a column body and a steel column-beam connector. The steel column-beam connector is located in the middle of the column body and is provided for each layer of the building frame layer. The steel column-beam connector includes: a column body connecting seat and a column-beam connecting plate. The column body connecting seat is connected to the column body, and the column-beam connecting plate is located around the column body connecting seat.

[0007] The precast main beam is erected between the precast frame columns. The two ends of the precast main beam are provided with first steel strip connectors, and the first steel strip connectors are connected to the column-beam connecting plate by bolts.

[0008] The floor decking is fixed to the precast main beam.

[0009] Furthermore, the column is formed by connecting several individual columns vertically. A column connection node is provided between two vertically connected individual columns. The column connection node includes a column connector and a bolt seat. The column connector is embedded in the bottom of the upper individual column, and the bolt seat is embedded in the top of the lower individual column. The column connector and the bolt seat are connected by bolts.

[0010] In the building frame layer, the lowest layer of the precast frame column is provided with a steel column foot connector at the bottom of the column body, and the steel column foot connector is connected to the pre-embedded anchor bolts in the ground.

[0011] Furthermore, the building frame layer also includes precast secondary beams, which are erected between the precast main beams.

[0012] The precast main beam is provided with a beam-to-beam connecting plate at the connection with the precast secondary beam, and the precast secondary beam is bolted to the beam-to-beam connecting plate through a second steel strip connector at its end; the cross-section of the first steel strip connector and the second steel strip connector is H-shaped.

[0013] Furthermore, several U-shaped third stirrups protrude from the side of the floor deck, and the third stirrups between adjacent floor decks are staggered. In the vertical direction, several first longitudinal bars are inserted and tied inside the overlapping part formed by the staggered third stirrups.

[0014] Furthermore, the upper ends of the precast main beam and the precast secondary beam respectively protrude a number of first stirrups and second stirrups, the first stirrups and the second stirrups being U-shaped or hook-shaped.

[0015] The first stirrup and the third stirrup are interleaved and staggered with each other between the first stirrup and the third stirrup. In the vertical direction, several second longitudinal bars are inserted and tied inside the overlapping part formed by the first stirrup and the third stirrup.

[0016] The second stirrup and the third stirrup are interleaved and staggered with each other between the second stirrup and the floor deck. In the vertical direction, several third longitudinal bars are inserted and tied inside the overlapping part formed by the intersection of the second stirrup and the third stirrup.

[0017] Preferably, the floor deck is provided with an integrally prefabricated bathroom curb. The floor deck is a fully prefabricated floor slab or a steel pipe truss prestressed concrete composite slab, and the top of the highest floor of the building frame is provided with a roof, which is a steel pipe truss prestressed concrete composite slab.

[0018] Furthermore, this utility model also discloses a hybrid frame support structure, including: the building frame layer and support columns, wherein the support columns are obliquely arranged between two adjacent precast frame columns.

[0019] The precast frame column is provided with a support column connecting plate at the connection with the support column, and the two ends of the support column are provided with a third steel strip connector. The support column is connected to the support column connecting plate by bolts through the third steel strip connector. The cross section of the third steel strip connector is H-shaped.

[0020] After adopting the above technical solution, the present invention has the following effects:

[0021] This utility model connects the precast frame columns with steel strip connectors, solving the problem that precast frame columns need to be supported by columns, thus achieving the purpose of eliminating the need for supports and formwork; at the same time, the frame columns, load-bearing beams and floor decks are all precast structures, eliminating the need for on-site positioning and pouring, reducing the amount of on-site pouring, and improving the construction speed in the building frame construction process. Attached Figure Description

[0022] Figure 1 This is a three-dimensional structural diagram of the steel node connection hybrid frame structure of this utility model.

[0023] Figure 2 This is a partial exploded view of the building frame layer of this utility model.

[0024] Figure 3 This is a three-dimensional structural diagram of the column-beam connection node of this utility model.

[0025] Figure 4 This is a structural schematic diagram of the column-beam connection node of this utility model.

[0026] Figure 5 This is a structural schematic diagram of the column connection node of this utility model.

[0027] Figure 6 This is a three-dimensional structural diagram of the steel column-beam connector of this utility model.

[0028] Figure 7 This is a schematic diagram showing the connection between the steel column base connector and the pre-embedded anchor bolts of this utility model.

[0029] Figure 8 This is a three-dimensional structural diagram of the beam-to-beam connection node of this utility model.

[0030] Figure 9 This is a structural schematic diagram of the beam-to-beam connection node of this utility model.

[0031] Figure 10 This is a schematic diagram of the splicing of the floor decking of this utility model.

[0032] Figure 11a This is a structural schematic diagram of the stirrup binding method between floor deck slabs according to this utility model.

[0033] Figure 11b This is a structural schematic diagram of the first stirrup binding method between the floor deck and the precast main beam or precast secondary beam of this utility model.

[0034] Figure 11c This is a structural schematic diagram of the second stirrup binding method between the floor deck and the precast main beam or precast secondary beam of this utility model.

[0035] Figure 12 This is a three-dimensional structural diagram of the hybrid frame support structure of this utility model.

[0036] Figure 13 This is a schematic diagram of the installation plan of the support column of this utility model.

[0037] Figure 14 This is a three-dimensional schematic diagram of the installation of the support column of this utility model.

[0038] Main component symbols:

[0039] 1: Building frame layer; 11: Precast frame column; 111: Column body; 1111: Individual column; 1112: Column connector; 1113: Bolt seat; 112: Steel column base connector; 113: Steel column beam connector; 1131: Column body connector; 1132: Column beam connection plate; 114: Support column connection plate; 12: Precast main beam; 121: First steel connector; 122: Beam beam connection plate; 123: First stirrup; 13: Precast secondary beam; 131: Second steel connector; 132: Second stirrup; 14: Floor deck; 141: Third stirrup; 142: Bathroom curb; 15: Support column; 151: Third steel connector; 2: Embedded anchor bolt; 3: First longitudinal reinforcement; 4: Second longitudinal reinforcement; 5: Third longitudinal reinforcement. Detailed Implementation

[0040] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments.

[0041] In the description of this utility model, it should be noted that the terms "first", "second" and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0042] Example 1

[0043] like Figures 1 to 3 As shown, this utility model discloses a steel node connection hybrid frame structure, including: a multi-story building frame layer 1, which includes: precast frame columns 11, precast main beams 12 and floor decking 14.

[0044] Precast frame columns 11 are arranged around the perimeter of the building frame layer 1, including: column body 111 and steel column beam connector 113. The steel column beam connector 113 is located in the middle of the column body 111 and is provided for each floor of the building frame layer 1.

[0045] Combination Figure 6As shown, the steel column-beam connector 113 includes: a column connector 1131 and a column-beam connector 1132. The column connector 1131 is connected to the column 111, and the column-beam connector 1132 is disposed around the column connector 1131.

[0046] In this embodiment, the lowest precast frame column 11 in the building frame layer 1 has a steel column base connector 112 at the bottom of the column body 111. The steel column base connector 112 is connected to the pre-embedded anchor bolts 2 in the ground, such as... Figure 7 As shown.

[0047] Combination Figure 4 As shown, the precast main beam 12 is erected between the precast frame columns 11. The two ends of the precast main beam 12 are provided with first steel strip connectors 121 with H-shaped cross sections, and the first steel strip connectors 121 are connected to the column-beam connection plate 1132 by bolts.

[0048] The floor deck 14 is fixed to the precast main beam 12.

[0049] In this embodiment, the building frame layer 1 further includes: precast secondary beams 13, to reduce the load on the precast main beams 12 and reduce the span of the floor deck 14.

[0050] like Figure 8 and Figure 9 As shown, precast secondary beams 13 are erected between precast main beams 12. A beam-to-beam connecting plate 122 is provided at the connection point between the precast main beams 12 and the precast secondary beams 13. The precast secondary beams 13 are bolted to the beam-to-beam connecting plate 122 via a second steel strip connector 131 with an H-shaped end section.

[0051] Secondly, such as Figure 10 and Figure 11a As shown, in this embodiment, several U-shaped third stirrups 141 protrude from the side of the floor deck 14, and the third stirrups 141 between adjacent floor decks 14 are staggered. In the vertical direction, several first longitudinal bars 3 are inserted and tied inside the overlapping part formed by the staggered third stirrups 141.

[0052] At the same time, combined Figure 11b and Figure 11c As shown, the upper ends of the precast main beam 12 and the precast secondary beam 13 respectively protrude a number of first stirrups 123 and second stirrups 132, which are U-shaped. In one embodiment, the first stirrups 123 and the second stirrups 132 can also be hook-shaped.

[0053] The first stirrup 123 and the third stirrup 141 are interleaved and staggered between each other and the floor deck 14. In the vertical direction, several second longitudinal bars 4 are inserted and tied inside the overlapping part formed by the first stirrup 123 and the third stirrup 141.

[0054] The second stirrup 132 and the third stirrup 141 are interleaved and staggered. In the vertical direction, several third longitudinal bars 5 are inserted and tied inside the overlapping part formed by the second stirrup 132 and the third stirrup 141.

[0055] Furthermore, in this embodiment, an integrally prefabricated bathroom curb 142 is provided on the floor deck 14, and the floor deck 14 is a steel pipe truss prestressed concrete composite slab. Simultaneously, a roof (not shown in the figure) is provided at the top of the highest floor of the building frame layer 1, and the roof is also a steel pipe truss prestressed concrete composite slab. In other embodiments, the floor deck 14 can also be a fully prefabricated floor slab.

[0056] Furthermore, in this embodiment, the connection between the steel column base connector 112 and the externally embedded anchor bolts 2 is further reinforced by internally reinforcing steel bars and externally poured concrete. Simultaneously, the connection nodes between the precast frame column 11 and the precast main beam 12, the connection nodes between the precast main beam 12 and the precast secondary beam 13, the connection nodes between the floor deck 14 and the precast main beam 12 and the precast secondary beam 13, and the connections between the floor deck 14 themselves can all be further reinforced by internally reinforcing steel bars and externally poured concrete.

[0057] Example 2

[0058] The difference between this embodiment and Embodiment 1 is that the column 111 is formed by connecting several individual columns 1111 vertically, and a column connection node is provided between two individual columns 1111 connected vertically.

[0059] like Figure 3 and Figure 5 As shown, in this embodiment, the column connection node includes: a column connector 1112 and a bolt seat 1113. The column connector 1112 is embedded in the bottom of the upper single column 1111, and the bolt seat 1113 is embedded in the top of the lower single column 1111. The column connector 1112 and the bolt seat 1113 are connected by bolts.

[0060] In this embodiment, each individual column 1111 is provided with 1-3 steel column-beam connectors 113 to ensure the structural stability of the building frame layer 1.

[0061] Furthermore, in this embodiment, the column connection node can be further reinforced by setting steel bars inside and pouring concrete outside.

[0062] like Figures 12 to 14 As shown, this utility model also discloses a hybrid frame support structure, including: the building frame layer 1 and support columns 15, with the support columns 15 inclinedly arranged between two adjacent prefabricated frame columns 11.

[0063] Among them, the precast frame column 11 is provided with a support column connecting plate 114 at the connection with the support column 15, and the two ends of the support column 15 are provided with a third steel strip connector 151 with an H-shaped cross section. The support column 15 is arranged between two adjacent precast frame columns 11 by bolt connection between the third steel strip connector 151 and the support column connecting plate 114.

[0064] Furthermore, in this embodiment, the connection node between the precast frame column 11 and the support column 15 can be further reinforced by setting steel bars inside and pouring concrete outside.

[0065] The above description is only a preferred embodiment of the present utility model. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present utility model should be included within the protection scope of the present utility model.

Claims

1. A steel jointed hybrid frame structure, characterized by, The application relates to a multi-layer building frame layer, which comprises prefabricated frame columns, prefabricated main beams and floor slabs. The prefabricated frame columns are arranged around the building frame layer and comprise column bodies and steel column beam connecting heads arranged in the middle of the column bodies and corresponding to each layer of the building frame layer; the steel column beam connecting heads comprise column body connecting seats and column beam connecting plates, the column body connecting seats are connected with the column bodies, and the column beam connecting plates are arranged in the circumferential direction of the column body connecting seats. The prefabricated main beams are arranged between the prefabricated frame columns, the two ends of the prefabricated main beams are provided with first steel connecting heads, and the first steel connecting heads are connected with the column beam connecting plates through bolts. The floor slabs are fixed on the prefabricated main beams. The column bodies are formed by connecting a plurality of single columns upwards and downwards, column connecting nodes are arranged between the two single columns connected upwards and downwards, the column connecting nodes comprise column connecting heads and bolt seats, the column connecting heads are embedded in the bottom of the single column above, the bolt seats are embedded in the top of the single column below, and the column connecting heads and the bolt seats are connected through bolts.

2. A steel jointed hybrid frame structure as claimed in claim 1, wherein: The prefabricated frame columns of the lowermost layer of the building frame layer are provided with steel column foot connecting heads at the bottom of the column bodies, and the steel column foot connecting heads are connected with the embedded foundation bolts of the ground.

3. A steel jointed hybrid frame structure as claimed in claim 2, wherein: The building frame layer further comprises prefabricated secondary beams arranged between the prefabricated main beams.

4. A steel jointed hybrid frame structure as claimed in claim 1, wherein: The prefabricated main beams are provided with beam beam connecting plates at the connecting positions of the prefabricated secondary beams, and the prefabricated secondary beams are connected with the beam beam connecting plates through second steel connecting heads at the ends and bolts; the cross sections of the first steel connecting heads and the second steel connecting heads are H-shaped.

5. A steel jointed hybrid frame structure as claimed in claim 4, wherein: The plate sides of the floor slabs protrude a plurality of U-shaped third stirrups, the third stirrups between adjacent floor slabs are arranged in a staggered mode, and a plurality of first longitudinal bars are inserted into the overlapping positions formed by the third stirrups in the vertical direction.

6. A steel jointed hybrid frame structure as claimed in claim 4, wherein: The upper ends of the prefabricated main beams and the prefabricated secondary beams respectively protrude a plurality of first stirrups and second stirrups, the first stirrups and the second stirrups are U-shaped or hook-shaped; 7. A steel jointed hybrid frame structure as claimed in claim 6, wherein: The first stirrups are arranged in a staggered mode with the third stirrups between the floor slabs, a plurality of second longitudinal bars are inserted into the overlapping positions formed by the first stirrups and the third stirrups in the vertical direction; The second stirrups are arranged in a staggered mode with the third stirrups between the floor slabs, a plurality of third longitudinal bars are inserted into the overlapping positions formed by the second stirrups and the third stirrups in the vertical direction. An integrated prefabricated bathroom reverse ridge is arranged on the floor slab; the floor slab is a full prefabricated floor slab or a steel pipe truss prestressed concrete composite slab, and the top of the highest layer of the building frame layer is provided with a roof, and the roof is a steel pipe truss prestressed concrete composite slab.

8. A steel jointed hybrid frame structure as claimed in claim 1, wherein: The application further relates to a building frame layer and a support column, the support column is arranged in a tilted mode between two prefabricated frame columns.

9. A hybrid framed support structure construction, characterized by, ​ ​ 10. A hybrid framed support structure construction as claimed in claim 9, wherein: The prefabricated frame column is provided with a support column connecting plate at the connection with the support column, both ends of the support column are provided with a third strip steel connecting head, and the support column is connected through bolts between the third strip steel connecting head and the support column connecting plate; the cross section of the third strip steel connecting head is H-shaped.

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