Prestressed double-T plate prefabricated part connecting structure

Abstract

The utility model discloses a prestressed double-T-plate prefabricated part connecting structure which comprises two oppositely-spliced T-shaped prefabricated plates, pre-embedded steel plates embedded in the edge ends where the oppositely-spliced positions of the T-shaped prefabricated plates are located, and splicing steel plates which are arranged across the two oppositely-spliced T-shaped prefabricated plates and welded to the pre-embedded steel plates of the two T-shaped prefabricated plates. And the two oppositely-spliced T-shaped prefabricated slabs and the pre-embedded steel plates form the pre-stress double-T-plate prefabricated member through the welded splicing steel plates. According to the utility model, the levelness of the two T-shaped prefabricated slabs on the surface layer and the width of the splicing seam in the vertical direction can be ensured, and the problems that the height difference is generated after prestress is applied between the T-shaped prefabricated slabs, so that dislocation is generated, and the widths of the splicing seam are inconsistent due to displacement of the T-shaped prefabricated slabs are solved; the problems of high-low dislocation and horizontal displacement cannot be generated when cast-in-place steel bar binding operation and moving load in the concrete pouring process are carried out on all the T-shaped prefabricated plates, and the splicing quality of the prestressed double-T-plate prefabricated parts is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building engineering, especially a prestressed double T board prefabricated component connecting structure. BACKGROUND

[0002] With the development of fabricated building, the application scene of prestressed double T board prefabricated component is more and more extensive, the prestressed double T board prefabricated component is usually composed of two T-shaped prefabricated plates, after laying steel bars across two T-shaped prefabricated plates and after pouring concrete on each T-shaped prefabricated plate after steel bar binding, the connection of two T-shaped prefabricated plates is ensured while forming the cast-in-place structure, the uneven load borne by each T-shaped prefabricated plate in the process of steel bar binding and concrete pouring will cause the height difference of two T-shaped prefabricated plates at the splicing joint, which will cause the problems of misplacement or horizontal displacement and inconsistent splicing joint width, thereby affecting the connection quality of the prestressed double T board prefabricated component at the splicing joint and the construction quality of the cast-in-place structure at the splicing joint, and there are problems of cracking or leakage at the splicing joint affected by misplacement and inconsistent splicing joint width. SUMMARY

[0003] The utility model discloses a prestressed double T board prefabricated component connecting structure to solve the problem of poor connection quality caused by the height difference and misplacement of prestressed double T board prefabricated component at the splicing joint.

[0004] To solve the above technical problem, the technical scheme provided by the utility model is as follows: a prestressed double T board prefabricated component connecting structure, comprising: two T-shaped prefabricated plates that are spliced together, a pre-embedded steel plate embedded at the edge end of the splicing position of each T-shaped prefabricated plate, a splicing steel plate welded on the pre-embedded steel plate of each T-shaped prefabricated plate across the two T-shaped prefabricated plates that are spliced together, and the two T-shaped prefabricated plates that are spliced together form a prestressed double T board prefabricated component through the splicing steel plate and the pre-embedded steel plate.

[0005] Further, the prestressed double T board prefabricated component connecting structure provided by the utility model fills cement mortar at the splicing joint of the two T-shaped prefabricated plates that are spliced together to form a caulking structure.

[0006] Further, the prestressed double T board prefabricated component connecting structure provided by the utility model lays a glass fiber mesh sheet on the surface layer of the caulking structure other than the splicing steel plate and applies a layer of adhesive.

[0007] Further, the prestressed double T board prefabricated component connecting structure provided by the utility model is provided with additional steel bars covering the splicing steel plate, and cast-in-place steel bars are bound on the surface plate of the prestressed double T board prefabricated component and concrete is poured to form a cast-in-place structure plate.

[0008] Further, the prestressed double T plate prefabricated component connecting structure provided by the utility model, the additional steel bars include horizontal steel bars and longitudinal steel bars.

[0009] Further, the prestressed double T plate prefabricated component connecting structure provided by the utility model, the embedded steel plate is located at the width center of the T-shaped prefabricated plate.

[0010] Further, the prestressed double T plate prefabricated component connecting structure provided by the utility model, the embedded steel plate of each side T-shaped prefabricated plate is uniformly distributed multiple.

[0011] Further, the prestressed double T plate prefabricated component connecting structure provided by the utility model, the embedded steel plate of each side T-shaped prefabricated plate is uniformly distributed multiple.

[0012] Further, the prestressed double T plate prefabricated component connecting structure provided by the utility model, the embedded steel plate of each side T-shaped prefabricated plate is uniformly distributed multiple.

[0013] Further, the prestressed double T plate prefabricated component connecting structure provided by the utility model, the embedded steel plate of each side T-shaped prefabricated plate is uniformly distributed multiple.

[0014] Compared with the prior art, the utility model has the advantages of the following:

[0015] The prestressed double T plate prefabricated component connecting structure provided by the utility model, through the embedded steel plate embedded on each T-shaped prefabricated plate of the butt joint, the butt joint seam of the two butt joint T-shaped prefabricated plates is welded on the embedded steel plate of the two T-shaped prefabricated plates, so that the two butt joint T-shaped prefabricated plates form an integrated prestressed double T plate prefabricated component, the horizontal degree of the two T-shaped prefabricated plates in the surface layer and the width of the butt joint seam in the vertical direction are guaranteed, then after the prestress is applied on each T-shaped prefabricated plate, the two butt joint T-shaped prefabricated plates are connected into a whole to form a prestressed double T plate prefabricated component through the butt joint steel plate welded on the embedded steel plate, the problem of misplacement caused by the height difference between the T-shaped prefabricated plates after the prestress is applied is avoided, the problem of inconsistent butt joint seam width caused by the displacement of the T-shaped prefabricated plates is also avoided, the moving load in the process of cast-in-place steel bar binding operation and pouring concrete on each T-shaped prefabricated plate is limited by the butt joint steel plate welded on the embedded steel plate, and the problems of high-low misplacement and horizontal displacement do not occur, so that the butt joint quality of the prestressed double T plate prefabricated component is guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the elevation structure schematic view of prestressed double T plate prefabricated component connecting structure;

[0017] Figure 2 It is the plane structure schematic view of prestressed double T plate prefabricated component connecting structure;

[0018] Figure 3 is the glass fiber mesh and the bonding layer node of the prestressed double T plate prefabricated component connecting structure at the splicing joint. The vertical structure diagram is shown in the figure.

[0019] The figure shows:

[0020] 100, prestressed double T plate prefabricated component connecting structure;

[0021] 110, T-shaped prefabricated plate, 120, embedded steel plate, 130, splicing steel plate, 140, caulking structure, 150, glass fiber mesh, 160, adhesive layer, 170, additional steel bar, 171, longitudinal steel bar, 172, transverse steel bar, 180, cast-in-place steel bar, 190, cast-in-place structure plate. DETAILED DESCRIPTION

[0022] The utility model will be described in detail below in combination with the drawings: according to the following description, the advantages and characteristics of the utility model will be more clear. It should be noted that the drawings are all very simplified and all use non-precise scale, only to facilitate, clear and assist the purpose of explaining the embodiment of the utility model.

[0023] Please refer to Figures 1 to 3 The utility model embodiment provides a prestressed double T plate prefabricated component connecting structure 100, including: two T-shaped prefabricated plates 110 that are spliced, the embedded steel plate 120 that is embedded in the edge end of the splicing of each T-shaped prefabricated plate 110, the splicing steel plate 130 that is welded on the embedded steel plate 120 of two T-shaped prefabricated plates 110 and is arranged across two T-shaped prefabricated plates 110 that are spliced, and the prestressed double T plate prefabricated component that is formed by the splicing steel plate 130 and the embedded steel plate 120 of two T-shaped prefabricated plates 110 that are spliced through welding.

[0024] The prestressed double T plate prefabricated component connecting structure 100 provided by the embodiment of the utility model, through the embedded steel plate 120 embedded on each T-shaped prefabricated plate 110 to be spliced, the splicing steel plate 130 welded on each embedded steel plate 120 of the two T-shaped prefabricated plates 110 to be spliced, the two T-shaped prefabricated plates 110 to be spliced are formed into the prestressed double T plate prefabricated component of the integral structure, the levelness of the two T-shaped prefabricated plates 110 in the surface layer and the width of the splicing joint in the vertical direction are guaranteed, then after prestress is applied on each T-shaped prefabricated plate 110, the two T-shaped prefabricated plates 110 to be spliced are connected into the whole by the splicing steel plate 130 welded on the embedded steel plate 120 to form the prestressed double T plate prefabricated component, the problem that the two T-shaped prefabricated plates 110 are dislocated due to the height difference after the prestress is applied is avoided, the problem that the width of the splicing joint is inconsistent due to the displacement of the T-shaped prefabricated plate 110 is also avoided, the moving load in the process of the cast-in-place steel bar binding operation and the pouring of concrete on each T-shaped prefabricated plate 110 is limited by the splicing steel plate 130 welded on the embedded steel plate 120, and the problems of the high-low dislocation and the horizontal displacement are not caused, so that the splicing quality of the prestressed double T plate prefabricated component is guaranteed.The prestressed double T plate prefabricated component connecting structure 100 can improve the connecting strength at the splicing joint.

[0025] Please refer to Figure 1 and Figure 3 In order to fill the splicing joint between the T-shaped prefabricated plates 110, the prestressed double T plate prefabricated component connecting structure 100 provided by the embodiment of the utility model fills the cement mortar to form the caulking structure 140 at the splicing joint of the two T-shaped prefabricated plates 110 to be spliced. In order to improve the filling quality of the splicing joint and guarantee the combination, the cement mortar containing the adhesive is used to fill the splicing joint. In order to improve the construction quality of the caulking structure 140 except the splicing steel plate 130, the glazed fiber mesh 150 can be laid on the surface layer of the caulking structure 140 except the splicing steel plate 130 and the adhesive layer 160 is coated. The glazed fiber mesh 150 and the adhesive layer 160 can reduce the problems of cracking and leakage of the caulking structure 140 of the splicing joint.

[0026] Please refer to Figure 1 In order to guarantee the construction quality of the cast-in-place structure at the splicing joint and avoid the concrete from falling off from the splicing gap due to gravity, the prestressed double T plate prefabricated component connecting structure 100 provided by the embodiment of the utility model is provided with the additional steel bars 170 covering the splicing steel plate 130, the cast-in-place steel bars 180 are bound on the surface plate of the prestressed double T plate prefabricated component and the concrete is poured to form the cast-in-place structure plate 190. The additional steel bars 170 can include the multiple horizontal steel bars 172 and the multiple longitudinal steel bars 171. The additional steel bars 170 can also improve the structural strength of the splicing joint.

[0027] Please refer toFigure 2 In order to realize the connection, the prestressed double T plate prefabricated component connecting structure 100 provided by the embodiment of the utility model, the embedded steel plate 120 is located at the width center of the T type prefabricated plate 110, the embedded embedded steel plate 120 of each side T type prefabricated plate 110 can be a piece, and the corresponding spliced steel plate 130 can be a piece.

[0028] The utility model is not limited to the above specific embodiment, obviously, the above described embodiment is a part of the embodiment of the utility model embodiment, but is not all the embodiment. Based on the described embodiment of the utility model, all other embodiments obtained by the person skilled in the art belong to the range of the utility model protection. The person skilled in the art can make other levels of modification and change to the utility model. Thus, if these modifications and changes of the utility model are within the scope of the claims of the utility model, the utility model also intends to include these changes and changes.

Claims

1. A prestressed double T slab precast component connecting structure, characterized in that, The utility model relates to a prestressed double-T prefabricated component, comprising: two T-shaped prefabricated plates that are abutted together, a buried steel plate that is embedded at the abutted edge end of each of the T-shaped prefabricated plates, a joint steel plate that is welded on the buried steel plates of the two T-shaped prefabricated plates across the two T-shaped prefabricated plates that are abutted together, and the two T-shaped prefabricated plates that are abutted together form the prestressed double-T prefabricated component through the joint steel plate and the buried steel plate.

2. The prestressed double-T slab precast component connecting structure according to claim 1, characterized in that, A cement mortar is filled in the joint seam between the two T-shaped prefabricated plates that are abutted together to form a caulking structure.

3. The prestressed double-T slab precast component connecting structure according to claim 2, characterized in that, A layer of glass fiber mesh is laid on the surface of the caulking structure outside the joint steel plate, and a layer of adhesive is applied.

4. The prestressed double-T slab precast component connecting structure according to claim 2, characterized in that, An additional steel bar is arranged on the joint steel plate, cast-in-place steel bars are bound on the surface plate of the prestressed double-T prefabricated component, and concrete is poured to form a cast-in-place structure plate.

5. The prestressed double-T slab precast component connecting structure according to claim 4, characterized in that, The additional steel bar comprises a transverse steel bar and a longitudinal steel bar.

6. The prestressed double-T slab precast component connecting structure according to claim 1, characterized in that, The buried steel plate is located at the center of the width of the T-shaped prefabricated plate.

7. The prestressed double-T slab precast component connecting structure according to claim 1, characterized in that, The buried steel plates on each side of the T-shaped prefabricated plate are uniformly distributed.

8. The prestressed double-T slab precast component connecting structure according to claim 1, characterized in that, The buried steel plates on each side of the T-shaped prefabricated plate are one.

9. The prestressed double-T slab precast component connecting structure according to claim 1, characterized in that, The joint steel plate is one.

10. The pre-stressed double T slab precast component connecting structure according to claim 1, characterized in that, The joint steel plate is parallel and uniformly distributed.

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