Connecting structure

Abstract

The embodiment of the utility model discloses a connecting structure which comprises a floor slab structure, the floor slab structure comprises a floor integral pouring layer and a prefabricated laminated slab, and the floor integral pouring layer is located above the prefabricated laminated slab; the connecting beam structure is fixed to the bottom of the floor slab structure, the connecting beam structure and the floor slab structure are fixedly connected through a first fixing piece, the first fixing piece comprises a first load-bearing steel bar and a second load-bearing steel bar, a second fixing piece is arranged on the first fixing piece, and the second fixing piece comprises a first compression steel bar and a second compression steel bar; and the self-heat-preservation wallboard structure is fixedly connected with the floor slab structure through a third fixing piece. According to the connecting structure, the stability and tightness of building connection can be improved, meanwhile, the safety of a building is improved, and the service life of the building is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to building technology field especially relates to a connecting structure. BACKGROUND

[0002] With the improvement of people's living standards, the requirement of building is also higher and higher, floor, coupling beam and wallboard are the key components in building structure, the connecting mode between them has important significance for the safety, stability and service life of the whole building, with the continuous development of building technology, new building forms such as brick-concrete structure and reinforced concrete structure gradually replace the traditional wood structure, the connecting mode between floor, coupling beam and wallboard has also changed a lot.

[0003] The connecting mode between floor, coupling beam and wallboard commonly used in modern building is: reinforcement connection, embedded part connection, adhesive connection, anchoring connection and buckle connection. The reinforcement plays a role in tension in floor, coupling beam and wallboard, so that the three form a whole and bear various loads together, but simple reinforcement connection may have problems such as great construction difficulty and difficult to guarantee the quality of reinforcement welding, and improper welding will affect the safety of the structure; the embedded part connection realizes the connection of the structure through the connecting part embedded in floor, coupling beam and wallboard, and the position accuracy of the embedded part is high, and deviation is easy to occur in the construction process, leading to subsequent connection difficulty; the performance of the adhesive material is greatly affected by environmental factors such as temperature and humidity when the adhesive connection mode is used; the anchoring connection and buckle connection mode have high requirements for the accurate positioning of anchor bolts and the manufacturing accuracy of the node of buckle connection, otherwise the tightness and stability of the connection will be affected.

[0004] Therefore, it is particularly important to develop a connecting structure that can improve the stability and tightness of building connection, and increase the safety and service life of building. INVENTION CONTENTS

[0005] To solve the above technical problems, the application provides a connecting structure, which can solve the problem that there is currently a lack of connecting structure that can improve the stability and tightness of building connection, and increase the safety and service life of building by setting special connecting structure between floor structure, coupling beam structure and self-insulation wallboard structure.

[0006] The technical scheme provided by the application is as follows:

[0007] The application provides a connecting structure, which comprises:

[0008] Floor structure, the floor structure comprises floor whole pouring layer and prefabricated composite board, the floor whole pouring layer is located above the prefabricated composite board;

[0009] The connecting beam structure is fixed at the bottom of the floor structure, and the connecting beam structure is fixedly connected with the floor structure through a first fixing member, the first fixing member is arranged through the connecting beam structure, the first fixing member comprises first stress reinforcement and second stress reinforcement, the first stress reinforcement and the second stress reinforcement are arranged side by side and symmetrically, and the first fixing member is provided with a second fixing member, the second fixing member comprises first compression reinforcement and second compression reinforcement, the first compression reinforcement and the second compression reinforcement are arranged side by side and symmetrically, one end of the second fixing member is located at the bottom of the first fixing member, and the other end of the second fixing member is located in the prefabricated composite slab.

[0010] The self-insulation wallboard structure is fixedly connected with the floor structure through a third fixing member, the self-insulation wallboard structure comprises an upper wall and a lower wall, the upper wall and the lower wall are isolated by the floor structure, the third fixing member is arranged through the floor structure, one end of the third fixing member is flush with one end of the floor structure, and the other end of the third fixing member is located in the self-insulation wallboard structure.

[0011] In some optional embodiments, the connecting beam structure comprises first prefabricated composite beams and second prefabricated composite beams arranged side by side and symmetrically, and the bottom of the first prefabricated composite beams and the second prefabricated composite beams is fixedly connected.

[0012] In some optional embodiments, the first stress reinforcement is arranged in the first prefabricated composite beam, the second stress reinforcement is arranged in the second prefabricated composite beam, one end of the first stress reinforcement and one end of the second stress reinforcement are located at the bottom of the connecting beam structure, and the other end of the first stress reinforcement and the other end of the second stress reinforcement are located in the floor pouring layer.

[0013] In some optional embodiments, the first compression reinforcement is arranged around the first stress reinforcement, and the second compression reinforcement is arranged around the second stress reinforcement.

[0014] In some optional embodiments, the connecting beam structure is fixed at one end or the middle of the floor structure.

[0015] In some optional embodiments, the self-insulation wallboard structure and the connecting beam structure are both provided with insulation holes filled with insulation materials.

[0016] In some optional embodiments, the third fixing member comprises third stress reinforcement and fourth stress reinforcement, the third stress reinforcement is arranged through the floor pouring layer in a horizontal direction, and the fourth stress reinforcement is arranged through the prefabricated composite slab in a horizontal direction.

[0017] In some optional embodiments, the bottom of the upper wall is fixedly connected with the floor monolithic pouring layer, and the lower wall is fixedly connected with the prefabricated composite slab through a steel bar and a grouting sleeve, and the steel bar is inserted into the grouting sleeve.

[0018] In some optional embodiments, a water stop structure is arranged in the floor monolithic pouring layer, and the water stop structure is arranged on the third stress steel bar.

[0019] In some optional embodiments, the self-insulation wallboard structure comprises a first main reinforcement and a second main reinforcement, the first main reinforcement and the second main reinforcement are arranged side by side and symmetrically, the first main reinforcement and the second main reinforcement are both perpendicular to the third fixing member, and the first main reinforcement and the second main reinforcement are both provided with a tie bar and a stirrup.

[0020] The connecting structure provided by the application comprises a floor structure, the floor structure comprising a floor monolithic pouring layer and a prefabricated composite slab, the floor monolithic pouring layer being arranged above the prefabricated composite slab; a beam structure fixedly connected to the bottom of the floor structure, the beam structure being fixedly connected with the floor structure through a first fixing member, the first fixing member being arranged through the beam structure, the first fixing member comprising a first stress steel bar and a second stress steel bar, the first stress steel bar and the second stress steel bar being arranged side by side and symmetrically, the first fixing member being provided with a second fixing member, the second fixing member comprising a first compression steel bar and a second compression steel bar, the first compression steel bar and the second compression steel bar being arranged side by side and symmetrically, one end of the second fixing member being located at the bottom of the first fixing member, and the other end of the second fixing member being located in the prefabricated composite slab; a self-insulation wallboard structure fixedly connected with the floor structure through a third fixing member, the self-insulation wallboard structure comprising an upper wall and a lower wall, the upper wall and the lower wall being isolated by the floor structure, the third fixing member being arranged through the floor structure, one end of the third fixing member being flush with one end of the floor structure, and the other end of the third fixing member being located in the self-insulation wallboard structure. By arranging the connecting structure with the fixing member between the floor structure and the beam structure and between the floor structure and the self-insulation wallboard structure, the stability and tightness of the building connection can be improved, and the safety and service life of the building can be increased. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative effort.

[0022] Figure 1 is a schematic diagram of a connection structure of a floor structure and a coupling beam structure according to an embodiment of the present application;

[0023] Figure 2 is a schematic diagram of a middle connection structure of a floor structure and a coupling beam structure according to an embodiment of the present application;

[0024] Figure 3 is a schematic diagram of a connection structure of a floor structure and a self-insulation wallboard structure according to an embodiment of the present application.

[0025] The following is a supplementary description of the drawings:

[0026] 1 - floor structure; 11 - floor monolithic layer; 12 - prefabricated composite slab;

[0027] 2 - coupling beam structure; 21 - first prefabricated composite beam; 22 - second prefabricated composite beam;

[0028] 3 - first fixing member; 31 - first stress reinforcement; 32 - second stress reinforcement;

[0029] 4 - second fixing member; 41 - first compression reinforcement; 42 - second compression reinforcement;

[0030] 5 - self-insulation wallboard structure; 51 - upper wall; 52 - lower wall;

[0031] 6 - third fixing member; 61 - third stress reinforcement; 62 - fourth stress reinforcement;

[0032] 7 - insulation hole; 8 - grouting sleeve; 9 - water stop structure; 10 - fixed part; 101 - plugging part. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0034] The term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of this application. In the description of this application, it should be understood that the terms "upper," "lower," "top," "bottom," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Moreover, the terms "first," "second," etc., are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in orders other than those illustrated or described herein.

[0035] When a numerical range is disclosed herein, the range is considered continuous and includes the minimum and maximum values ​​of the range, as well as every value between the minimum and maximum values. Furthermore, when the range refers to an integer, it includes every integer between the minimum and maximum values ​​of the range. Additionally, when multiple ranges are provided to describe a feature or characteristic, the ranges may be combined. In other words, unless otherwise specified, all ranges disclosed herein should be understood to include any and all subranges to which they are included. For example, a specified range from “1 to 10” should be considered to include any and all subranges between the minimum value 1 and the maximum value 10. Exemplary subranges of the range 1 to 10 include, but are not limited to, 1 to 6.1, 3.5 to 7.8, 5.5 to 10, etc.

[0036] Because the existing connection structures have problems such as high construction difficulty, difficulty in guaranteeing the quality of steel bar welding, and poor tightness and stability, this application provides a connection structure to improve the stability and tightness of building connections, while increasing building safety and service life.

[0037] Please see Figure 1 , Figure 2 , Figure 1 This is a schematic diagram of one end connection structure of the floor slab structure and the connecting beam structure according to an embodiment of the present utility model; Figure 2 This is a schematic diagram of the intermediate connection structure between the floor slab structure and the connecting beam structure according to an embodiment of the present utility model. The connection structure provided in this application includes: a floor slab structure 1, which includes a cast-in-place floor layer 11 and a precast composite slab 12, wherein the cast-in-place floor layer 11 is located above the precast composite slab 12;

[0038] The coupling beam structure 2 is fixed at the bottom of the floor structure 1, and the coupling beam structure 2 is fixedly connected with the floor structure 1 through a first fixing member 3, the first fixing member 3 is provided through the coupling beam structure 2, the first fixing member 3 includes first stress steel bars 31 and second stress steel bars 32, the first stress steel bars 31 and the second stress steel bars 32 are arranged side by side and symmetrically, and a second fixing member 4 is arranged on the first fixing member 3, the second fixing member 4 includes first compression steel bars 41 and second compression steel bars 42, the first compression steel bars 41 and the second compression steel bars 42 are arranged side by side and symmetrically, one end of the second fixing member 4 is located at the bottom of the first fixing member 3, and the other end of the second fixing member 4 is located in the prefabricated composite slab 12.

[0039] The self-insulation wallboard structure 5 is fixedly connected with the floor structure 1 through a third fixing member 6, the self-insulation wallboard structure 5 includes an upper wall 51 and a lower wall 52, the upper wall 51 and the lower wall 52 are isolated through the floor structure 1, one end of the third fixing member 6 is flush with one end of the floor structure 1, and the other end of the third fixing member 6 is located in the self-insulation wallboard structure 5.

[0040] Optionally, the prefabricated composite slab 12 is located at a lower layer in the floor structure 1, and the floor cast-in-place layer 11 is located at an upper layer in the floor structure 1, the prefabricated composite slab 12 is a floor component prefabricated in a factory, and the floor cast-in-place layer 11 is a floor formed by directly pouring concrete. The floor cast-in-place layer 11 is formed by one-time pouring and has no joints, so that the structure has high integrity and can better bear loads and earthquake actions, and the arrangement of steel bars and the thickness of concrete can be flexibly adjusted according to design requirements to adapt to different building functions and structural requirements. The prefabricated composite slab 12 is produced in a factory, and only needs to be installed and poured with upper concrete on site, so that the construction period is greatly shortened, and the prefabricated composite slab 12 usually has good heat insulation performance, which helps to improve the energy efficiency of the building.

[0041] In an optional embodiment, the coupling beam structure 2 is fixed at one end or a middle part of the floor structure 1.

[0042] In an optional embodiment, the first stress steel bars 31 are arranged in the first prefabricated composite beam 21, the second stress steel bars 32 are arranged in the second prefabricated composite beam 22, one end of the first stress steel bars 31 and one end of the second stress steel bars 32 are located at the bottom of the coupling beam structure 2, and the other end of the first stress steel bars 31 and the other end of the second stress steel bars 32 are located in the floor cast-in-place layer 11.

[0043] In an optional embodiment, the first compression steel bar 41 is arranged around the first stress steel bar 31, and the second compression steel bar 42 is arranged around the second stress steel bar 32.

[0044] Optionally, the first stress steel bar 31 and the second stress steel bar 32 are arranged through the coupling beam structure 2, and the first compression steel bar 41 and the second compression steel bar 42 are arranged on the first stress steel bar 31 and the second stress steel bar 32 respectively. The types and densities of the first compression steel bar 41 and the second compression steel bar 42 can be set according to actual business needs, which are not limited herein. The arrangement of the compression steel bars can improve the ductility and energy dissipation capacity of the coupling beam, thereby enhancing the overall seismic performance of the structure, while bearing part of the shear force, reducing the shear stress of the concrete, thereby improving the shear bearing capacity of the coupling beam, maintaining the integrity and durability of the structure, and the compression steel bars and the stress steel bars jointly acting can increase the bearing capacity of the coupling beam, so that it can bear greater load.

[0045] In an optional embodiment, the third fixing member 6 includes a third stress steel bar 61 and a fourth stress steel bar 62, the third stress steel bar 61 is arranged through the floor monolithic layer 11 in a horizontal direction, and the fourth stress steel bar 62 is arranged through the prefabricated composite slab 12 in a horizontal direction.

[0046] Optionally, the third stress steel bar 61 and the fourth stress steel bar 62 can be arranged in parallel. The third stress steel bar 61 arranged in the floor monolithic layer 11 can bear the tensile force generated by the floor load, improve the bearing capacity and bending resistance of the floor, and the presence of the steel bar can limit the development of concrete cracks, maintain the integrity and durability of the floor; the fourth stress steel bar 62 arranged in the prefabricated composite slab 12 can be directly installed after the prefabricated composite slab is delivered. The steel bars in the prefabricated composite slab reduce the workload of on-site steel bar binding, reduce the construction difficulty, and the prefabricated component has high dimensional accuracy and the position of the stress steel bar is accurate, which is beneficial to the overall performance of the structure.

[0047] In an optional embodiment, the coupling beam structure 2 includes a first prefabricated composite beam 21 and a second prefabricated composite beam 22 arranged side by side and symmetrically, and the bottom of the first prefabricated composite beam 21 and the second prefabricated composite beam 22 are fixedly connected.

[0048] Optionally, the bottom of the first prefabricated composite beam 21 and the second prefabricated composite beam 22 are fixedly connected by pouring silicon graphene.

[0049] In an optional embodiment, the self-insulation wallboard structure 5 and the coupling beam structure 2 are both provided with a heat preservation hole 7 filled with heat preservation material.

[0050] Optionally, the heat preservation hole 7 of the connecting beam structure 2 is arranged in the cavity between the first prefabricated composite beam 21 and the second prefabricated composite beam 22, and a heat preservation material can be filled in the heat preservation hole 7, and the type of the heat preservation material can be set according to actual business requirements, which is not limited here.

[0051] Optionally, the heat preservation hole 7 of the self-insulation wallboard structure 5 is arranged in the upper wall 51 and the lower wall 52 and is arranged in the cavity formed by the first main reinforcement 53 and the second main reinforcement 54.

[0052] The silicon graphene material has high strength and high toughness, can improve the overall mechanical properties of the prefabricated composite beam, and has a low thermal conductivity, which can effectively improve the heat preservation performance of the building, reduce energy consumption, and reduce the secondary heat preservation construction of the heat preservation structure and the silicon graphene one-time forming, effectively shortening the construction period.

[0053] Please refer to Figure 3 , Figure 3 is a connecting structure schematic diagram of a floor structure and a self-insulation wallboard structure according to an embodiment of the present application. In an optional embodiment, the bottom of the upper wall 51 is fixedly connected with the floor integral pouring layer 11, the lower wall 52 is fixedly connected with the prefabricated composite floor 12 through the steel bar and the grouting sleeve 8, and the steel bar is inserted into the grouting sleeve 8.

[0054] Optionally, the bottom of the upper wall 51 is fixedly connected with the floor integral pouring layer 11 through the fixed part 10, the fixed part can be a pouring fixed material, and the fixed material can be set according to actual business requirements, which is not limited here, and exemplarily, the bottom of the upper wall 51 is fixedly connected with the floor integral pouring layer 11 through pouring of a fourth type of cement-based grouting material C60.

[0055] Optionally, a sealing part 101 can be arranged on one side of the fixed part 10, and the thickness is 10 mm, and the high-strength grout is used in the gap or crack in the wall body, so as to enhance the integrity of the wall body and prevent water or other substances from penetrating.

[0056] Optionally, the lower wall 52 and the prefabricated composite slab 12 are connected by the steel bars and the grouting sleeve 8. The lower wall 52 is cast on site, and the steel bars are reserved in the wall. The steel bars will pass through the holes of the prefabricated composite slab 12. The prefabricated composite slab 12 is placed on the top of the lower wall 52, and the holes are aligned with the steel bars. The grouting sleeve 8 is usually pre-assembled in the hole of the prefabricated composite slab. The reserved steel bars of the lower wall 52 are inserted into the grouting sleeve 8 through the hole of the prefabricated composite slab 12. The grouting pump is used to inject the grouting material into the grouting sleeve 8. The grouting material fills the gap in the sleeve and surrounds the steel bars to form a firm connection. This connection ensures effective connection between the prefabricated component and the cast-in-place structure, improves construction efficiency, and ensures the integrity and safety of the structure.

[0057] In an optional embodiment, the floor cast-in-place layer 11 is provided with a water stop structure 9, and the water stop structure 9 is arranged on the third stress steel bar 61.

[0058] Optionally, the water stop structure 9 is used to enhance the waterproof performance of the floor. The water stop structure 9 is a water stop strip. The size of the water stop strip can be set according to actual business needs, which is not limited here. For example, the width of the water stop strip is 50mm, and the thickness is 15mm. The water stop structure 9 can prevent water from penetrating into the lower layer or surrounding structure through the gap of the floor. By arranging the water stop strip in the cast-in-place layer, the waterproof performance of the building can be effectively improved, and the use function and safety of the building can be ensured.

[0059] In an optional embodiment, the self-insulation wallboard structure 5 includes a first main reinforcement 53 and a second main reinforcement 54. The first main reinforcement 53 and the second main reinforcement 54 are arranged side by side and symmetrically. The first main reinforcement 53 and the second main reinforcement 54 are both perpendicular to the third fixing member 6. The first main reinforcement 53 and the second main reinforcement 54 are both provided with a tie bar and a stirrup.

[0060] Optionally, the types of the first main reinforcement 53 and the second main reinforcement 54 can be set according to actual business needs, which is not limited here. For example, the first main reinforcement 53 and the second main reinforcement 54 can be steel bars with a diameter of 11mm.

[0061] Optionally, the third fixing member 6 is arranged in the horizontal direction, and the first main reinforcement 53 and the second main reinforcement 54 are arranged in the vertical direction of the self-insulation wallboard structure 5.

[0062] Optionally, the first main reinforcement 53 and the second main reinforcement 54 are provided with tie bars and stirrups, the density of the tie bars and the stirrups can be set according to actual business requirements, which is not limited herein. The tie bars are used to connect adjacent walls or enhance the connection between the walls to prevent separation when subjected to external force. The stirrups are annular or spiral, used to fix and support the main reinforcement in the wall, and enhance the shear capacity of the wall when subjected to lateral force.

[0063] Hereinafter, a connecting structure provided by the embodiment of the present application is described as a whole:

[0064] The connecting structure comprises a floor structure, the floor structure 1, the floor structure 1 comprising a floor whole pouring layer 11 and a prefabricated composite slab 12, the floor whole pouring layer 11 being located above the prefabricated composite slab 12; a beam structure 2, the beam structure 2 being fixed at the bottom of the floor structure 1, the beam structure 2 being fixedly connected with the floor structure 1 through a first fixing member 3, the first fixing member 3 comprising a first stress reinforcement 31 and a second stress reinforcement 32, the first fixing member 3 being provided with a second fixing member 4, the second fixing member 4 comprising a first compression reinforcement 41 and a second compression reinforcement 42; a self-insulation wallboard structure 5, the self-insulation wallboard structure 5 being fixedly connected with the floor structure 1 through a third fixing member 6.

[0065] The connecting structure provided by the application comprises a floor structure 1, the floor structure 1 comprising a floor monolithic layer 11 and a prefabricated composite slab 12, the floor monolithic layer 11 being located above the prefabricated composite slab 12; a beam structure 2, the beam structure 2 being fixed at the bottom of the floor structure 1, the beam structure 2 being fixedly connected with the floor structure 1 through a first fixing member 3, the first fixing member 3 penetrating through the beam structure 2, the first fixing member 3 comprising a first stress steel bar 31 and a second stress steel bar 32, the first stress steel bar 31 and the second stress steel bar 32 being arranged side by side and symmetrically, a second fixing member 4 being arranged on the first fixing member 3, the second fixing member 4 comprising a first compression steel bar 41 and a second compression steel bar 42, the first compression steel bar 41 and the second compression steel bar 42 being arranged side by side and symmetrically, one end of the second fixing member 4 being located at the bottom of the first fixing member 3, the other end of the second fixing member 4 being located in the prefabricated composite slab 12; a self-insulation wallboard structure 5, the self-insulation wallboard structure 5 being fixedly connected with the floor structure 1 through a third fixing member 6, the self-insulation wallboard structure 5 comprising an upper wall 51 and a lower wall 52, the upper wall 51 and the lower wall 52 being isolated through the floor structure 1, the third fixing member 6 penetrating through the floor structure, one end of the third fixing member 6 being flush with one end of the floor structure 1, the other end of the third fixing member 6 being located in the self-insulation wallboard structure 5. By arranging the connecting structure with the fixing member between the floor structure 1 and the beam structure 2 and between the floor structure 1 and the self-insulation wallboard structure 3, the stability and tightness of the building connection can be improved, and the building safety and service life can be increased.

[0066] The above description is only optional embodiments of the application and does not limit the application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the application shall be included in the protection scope of the application.

Claims

1. A connection structure characterized by comprising: The connecting structure comprises: A floor structure (1) comprising a floor monolithic layer (11) and a prefabricated composite slab (12), wherein the floor monolithic layer (11) is located above the prefabricated composite slab (12); A coupling beam structure (2) fixed at the bottom of the floor structure (1), wherein the coupling beam structure (2) is fixedly connected with the floor structure (1) through a first fixing member (3), the first fixing member (3) is arranged through the coupling beam structure (2), the first fixing member (3) comprises first stress steel bars (31) and second stress steel bars (32), the first stress steel bars (31) and the second stress steel bars (32) are arranged side by side and symmetrically, a second fixing member (4) is arranged on the first fixing member (3), the second fixing member (4) comprises first compression steel bars (41) and second compression steel bars (42), the first compression steel bars (41) and the second compression steel bars (42) are arranged side by side and symmetrically, one end of the second fixing member (4) is located at the bottom of the first fixing member (3), and the other end of the second fixing member (4) is located in the prefabricated composite slab (12); A self-insulation wallboard structure (5) fixedly connected with the floor structure (1) through a third fixing member (6), wherein the self-insulation wallboard structure (5) comprises an upper wall body (51) and a lower wall body (52), the upper wall body (51) and the lower wall body (52) are isolated through the floor structure (1), the third fixing member (6) is arranged through the floor structure, one end of the third fixing member (6) is flush with one end of the floor structure (1), and the other end of the third fixing member (6) is located in the self-insulation wallboard structure (5).

2. The connection structure according to claim 1, characterized in that The coupling beam structure (2) comprises first prefabricated composite beams (21) and second prefabricated composite beams (22) arranged side by side and symmetrically, and the first prefabricated composite beams (21) and the second prefabricated composite beams (22) are fixedly connected at the bottom.

3. The connection structure according to claim 2, characterized in that The first stress steel bars (31) are arranged in the first prefabricated composite beams (21), the second stress steel bars (32) are arranged in the second prefabricated composite beams (22), one end of the first stress steel bars (31) and one end of the second stress steel bars (32) are located at the bottom of the coupling beam structure (2), and the other end of the first stress steel bars (31) and the other end of the second stress steel bars (32) are located in the floor monolithic layer (11).

4. The connection structure according to claim 1, characterized by The first compression steel bars (41) are arranged around the first stress steel bars (31), and the second compression steel bars (42) are arranged around the second stress steel bars (32).

5. The connection structure according to claim 1, wherein The coupling beam structure (2) is fixed at one end or an intermediate position of the floor structure (1).

6. The connection structure according to claim 1, wherein The self-insulation wallboard structure (5) and the coupling beam structure (2) are both provided with heat insulation holes (7) filled with heat insulation materials.

7. The connection structure according to claim 1, wherein The third fixing part (6) comprises a third force bearing steel bar (61) and a fourth force bearing steel bar (62), the third force bearing steel bar (61) is arranged through the floor monolithic layer (11) in a horizontal direction, and the fourth force bearing steel bar (62) is arranged through the prefabricated composite slab (12) in a horizontal direction.

8. The connection structure according to claim 1, wherein The bottom of the upper layer wall (51) is fixedly connected with the floor monolithic layer (11), the lower layer wall (52) is fixedly connected with the prefabricated composite slab (12) through a steel bar and a grouting sleeve, and the steel bar is inserted into the grouting sleeve.

9. The connection structure according to claim 7, wherein The floor monolithic layer (11) is provided with a water stop structure (8), and the water stop structure (8) is arranged on the third force bearing steel bar (61).

10. The connection structure according to claim 1, wherein The self-insulation wallboard structure (5) comprises a first main steel bar (53) and a second main steel bar (54), the first main steel bar (53) and the second main steel bar (54) are arranged side by side and symmetrically, the first main steel bar (53) and the second main steel bar (54) are perpendicular to the third fixing part (6), and the first main steel bar (53) and the second main steel bar (54) are both provided with a tie bar and a stirrup.

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