Fabricated building laminated slab abutted seam structure

Abstract

In order to solve the problem of poor connection performance of the existing laminated slab abutted seam structure, the utility model provides a fabricated building laminated slab abutted seam structure which comprises a first laminated slab, the first laminated plate and the second laminated plate are arranged in parallel at an interval in parallel at the position where the first laminated plate and the second laminated plate need to be arranged; and the connecting structure can be used for quickly and firmly connecting the first laminated slab and the second laminated slab together, and is fixedly arranged on the upper sides of the first laminated slab and the second laminated slab in a covering manner. The utility model has the advantages of reasonable integral design, simple structure, convenience in operation, high efficiency and high splicing speed, enhances the firmness between the laminated slabs, enhances the integral stability, can operate other procedures without waiting for concrete condensation, improves the project progress, is simple and convenient to install, construct and operate, and reduces the construction cost. The mode of mixing the concrete and the connecting pieces is adopted, the firmness performance between abutted seams is improved, and the stability is higher.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of the assembly type building laminated slab joint butt joint technology, especially relates to an assembly type building laminated slab joint structure. BACKGROUND

[0002] The laminated floor slab is the assembly integral type floor slab which is formed by the prefabricated slab and cast-in-place reinforced concrete layer. The laminated floor slab has good integrity, and the upper and lower surfaces of the slab are flat, which is convenient for the decoration of the finish layer and is suitable for the high-rise building and large bay building which has higher requirement on the overall rigidity.

[0003] At present, most of the existing laminated slab joint structures are made of concrete pouring, which has single function and poor connection performance between the two laminated slabs, and it is difficult to effectively connect the two laminated slabs, and the overall stability between the laminated slabs is poor.

[0004] In addition, the laminated slab joint structure made of concrete pouring needs a lot of time to wait for the concrete to set, and the overall efficiency is low, the construction speed is slow, and the engineering progress is seriously affected.

[0005] In addition, although there are a small part of connection methods in the market, most of the connection methods have single structure and poor connection firmness, and it is difficult to effectively increase the connection firmness between the laminated slabs, which brings great inconvenience to the joint butt joint work between the laminated slabs. INVENTION CONTENTS

[0006] In order to improve the connection performance between the two laminated slabs, the utility model provides a kind of assembly type building laminated slab joint structure and construction method thereof.

[0007] The technical scheme of the assembly type building laminated slab joint structure of the utility model is as follows:

[0008] An assembly type building laminated slab joint structure, characterized in that it comprises

[0009] A first laminated slab;

[0010] A second laminated slab, the first laminated slab and the second laminated slab are arranged in parallel and side by side at the position where the first laminated slab and the second laminated slab need to be arranged;

[0011] A connection structure capable of quickly and firmly connecting the first laminated slab and the second laminated slab together, the connection structure is fixed on the upper side of the first laminated slab and the second laminated slab.

[0012] Further, the connection structure comprises

[0013] A first connecting plate capable of effectively and quickly fixing the first laminated board, the first connecting plate is arranged on the upper side of the first laminated board;

[0014] A second connecting plate capable of effectively and quickly fixing the second laminated board, the second connecting plate is arranged on the upper side of the second laminated board;

[0015] A U-shaped steel plate capable of effectively and quickly connecting the first connecting plate and the second connecting plate, the U-shaped steel plate is arranged between the first connecting plate and the second connecting plate and covers the joint between the first laminated board and the second laminated board.

[0016] Further, a first connecting plate U-shaped groove is arranged in the middle of the first connecting plate along the width direction of the first connecting plate, a first laminated board U-shaped groove matched with the first connecting plate U-shaped groove is arranged in the middle of the first laminated board along the width direction of the first laminated board, a plurality of first through holes are symmetrically arranged on the first laminated board and located on both sides of the first laminated board U-shaped groove, the plurality of first through holes are distributed along the width direction of the first laminated board, a first connecting plate U-shaped groove through hole corresponding to the first through hole is arranged on both sides of the first connecting plate U-shaped groove, a first steel bar is arranged in the first through hole and the first connecting plate U-shaped groove through hole on the same straight line; a first insertion hole is symmetrically arranged on both sides of the first steel bar at the bottom of the first connecting plate U-shaped groove, a first bottom hole corresponding to the first insertion hole is arranged at the bottom of the first laminated board U-shaped groove, a first U-shaped steel bar is inserted into the first insertion hole on both sides of the first steel bar, both ends of the first U-shaped steel bar are sequentially inserted into the first bottom hole through the first insertion hole; two first threaded holes are arranged on the first connecting plate and located between adjacent first steel bars, the two first threaded holes are symmetrically distributed on both sides of the first connecting plate U-shaped groove, a first threaded sleeve corresponding to the first threaded hole is arranged on the first laminated board, a first threaded rod is arranged in the first threaded hole, the lower end of the first threaded rod passes through the first threaded hole and matches with the first threaded sleeve.

[0017] Further, a second connecting plate U-shaped groove is arranged in the middle of the second connecting plate along the width direction thereof, a second laminated plate U-shaped groove that matches the second connecting plate U-shaped groove is arranged in the middle of the second laminated plate along the width direction thereof, a plurality of second through holes are symmetrically arranged on the second laminated plate and located on both sides of the second laminated plate U-shaped groove, the plurality of second through holes are distributed at intervals along the width direction on the second laminated plate, second connecting plate U-shaped groove through holes that correspond to the second through holes are arranged on both sides of the second connecting plate U-shaped groove, and a second steel bar is arranged in the second through hole and the second connecting plate U-shaped groove through hole on the same straight line; second insertion holes are symmetrically arranged at the bottom of the second connecting plate U-shaped groove and located on both sides of the second steel bar, second bottom holes that correspond to the second insertion holes are arranged at the bottom of the second laminated plate U-shaped groove, and a second U-shaped steel bar is inserted into the second insertion hole on both sides of the second steel bar, and the two ends of the second U-shaped steel bar are sequentially inserted into the second bottom hole through the second insertion hole; two second screw holes are arranged on the second connecting plate and located between adjacent second steel bars, the two second screw holes are symmetrically arranged at both sides of the second connecting plate U-shaped groove, a second screw sleeve that corresponds to the second screw hole is arranged on the second laminated plate, and a second screw rod is arranged in the second screw hole, and the lower end of the second screw rod is matched with the second screw sleeve through the second screw hole.

[0018] Further, the U-shaped steel plate is arranged between the first connecting plate and the second connecting plate, and is welded on one side of the first connecting plate and on the other side of the second connecting plate, first U-shaped steel plate through holes that correspond to the plurality of first through holes are arranged on the side of the U-shaped steel plate close to the first connecting plate, and one end of the first steel bar is sequentially inserted into the first through hole and the first U-shaped steel plate through hole and then freely extends to the upper side of the middle part of the U-shaped steel plate; second U-shaped steel plate through holes that correspond to the plurality of second through holes are arranged on the side of the U-shaped steel plate close to the second connecting plate, and one end of the second steel bar is sequentially inserted into the second through hole and the second U-shaped steel plate through hole and then freely extends to the upper side of the middle part of the U-shaped steel plate.

[0019] The assembled building laminated plate joint structure and the construction method thereof have the advantages that the overall design is reasonable, the structure is simple, and the operation is convenient, the firmness between each laminated plate is increased, the overall stability is also increased, other procedures can be operated without waiting for the concrete to solidify, the efficiency is high, the splicing speed is fast, the engineering progress is improved, the installation and construction operation are simple and convenient, the firmness between the joints is improved by adopting the mixed mode of the concrete and the connecting piece, the disassembly is not affected, the laminated plate is more firm and stable than a single connecting piece on the market. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structure schematic view of the assembled building laminated plate joint structure.

[0021] Figure 2 is a structure schematic view of a first connecting plate of a fabricated building laminated slab joint structure.

[0022] Figure 3 is a structure schematic view of a second connecting plate of a fabricated building laminated slab joint structure.

[0023] Figure 4 is a structure schematic view of a U-shaped steel plate of a fabricated building laminated slab joint structure.

[0024] Figure 5 is a schematic view after pouring concrete of a fabricated building laminated slab joint structure. DETAILED DESCRIPTION

[0025] The utility model will be further explained in detail below in combination with the drawings and specific embodiments. The advantages and features of the utility model will be more apparent according to the following description and claims. It should be noted that the drawings are all very simplified and all use non-precise proportions, only to facilitate, clearly assist the purpose of explaining the embodiment of the utility model.

[0026] Embodiment 1

[0027] Reference Figures 1 to 5 The fabricated building laminated slab joint structure of the embodiment comprises a first laminated slab 100, a second laminated slab 200 and a connecting structure 300.

[0028] The first laminated slab 100 and the second laminated slab 200 are arranged in parallel at the position where the first laminated slab 100 and the second laminated slab 200 are needed to be arranged, and the connecting structure 300 can quickly and firmly connect the first laminated slab 100 and the second laminated slab 200 together, and the connecting structure 300 is arranged on the upper side of the first laminated slab 100 and the second laminated slab 200.

[0029] The connecting structure 300 comprises a first connecting plate 310, a second connecting plate 320 and a U-shaped steel plate 330, the first connecting plate 310 can effectively and quickly fix the first laminated slab 100, the first connecting plate 310 is arranged on the upper side of the first laminated slab 100, the second connecting plate 320 can effectively and quickly fix the second laminated slab 200, and the second connecting plate 320 is arranged on the upper side of the second laminated slab 200.

[0030] The U-shaped steel plate 330 can effectively and quickly fix and connect the first connecting plate 310 and the second connecting plate 320, and the U-shaped steel plate 330 is arranged between the first connecting plate 310 and the second connecting plate 320 and covers the joint seam between the first laminated slab 100 and the second laminated slab 200.

[0031] A first connecting plate U-shaped groove 311 is arranged in the middle of the first connecting plate 310 along its width direction, a first laminated plate U-shaped groove is arranged in the middle of the first laminated plate 310 along its width direction and cooperates with the first connecting plate U-shaped groove 311, a plurality of first through holes are symmetrically arranged on the first laminated plate 310 and located on both sides of the first laminated plate U-shaped groove, and the plurality of first through holes are distributed along the width direction of the first laminated plate 100.

[0032] First connecting plate U-shaped groove through holes 317 corresponding to the first through holes are arranged on both sides of the first connecting plate U-shaped groove 311, and a first steel bar 312 is arranged in the first through holes and the first connecting plate U-shaped groove through holes 317 on the same straight line.

[0033] First insertion holes 315 are symmetrically arranged at the bottom of the first connecting plate U-shaped groove 311 and located on both sides of the first steel bar 312, first bottom holes corresponding to the first insertion holes 315 are arranged at the bottom of the first laminated plate U-shaped groove, and first U-shaped steel bars 313 are inserted into the first insertion holes on both sides of the first steel bar 312, and the two ends of the first U-shaped steel bars 313 are sequentially inserted into the first bottom holes through the first insertion holes 315.

[0034] Two first threaded holes 316 are arranged on the first connecting plate 310 and located between adjacent first steel bars 312, the two first threaded holes 316 are symmetrically distributed at both sides of the first connecting plate U-shaped groove 311, first threaded sleeves corresponding to the first threaded holes are arranged on the first laminated plate 100, first threaded rods 314 are arranged in the first threaded holes 316, and the lower ends of the first threaded rods 314 pass through the first threaded holes 316 and cooperate with the first threaded sleeves.

[0035] A second connecting plate U-shaped groove 321 is arranged in the middle of the second connecting plate 320 along its width direction, a second laminated plate U-shaped groove is arranged in the middle of the second laminated plate 200 along its width direction and cooperates with the second connecting plate U-shaped groove 321, a plurality of second through holes are symmetrically arranged on the second laminated plate 200 and located on both sides of the second laminated plate U-shaped groove, and the plurality of second through holes are distributed along the width direction of the second laminated plate 200.

[0036] Second connecting plate U-shaped groove through holes 327 corresponding to the second through holes are arranged on both sides of the second connecting plate U-shaped groove 321, and a second steel bar 322 is arranged in the second through holes and the second connecting plate U-shaped groove through holes 327 on the same straight line.

[0037] Second jack 325 is symmetrically arranged at the bottom of the second connecting plate U-shaped groove 321 and on both sides of the second steel bar 322, and second bottom hole is arranged at the bottom of the second laminated plate U-shaped groove corresponding to the second jack 325, and second U-shaped steel bar 323 is inserted into the second jack 325 on both sides of the second steel bar 322, and the two ends of the second U-shaped steel bar 323 are sequentially inserted into the second bottom hole through the second jack 325.

[0038] Second threaded hole 326 is arranged on the second connecting plate 320 and between adjacent second steel bars 322, and two second threaded holes 326 are symmetrically arranged at both sides of the second connecting plate U-shaped groove 321, second threaded sleeve is arranged on the second laminated plate corresponding to the second threaded hole 326, and second threaded rod 324 is arranged on the second threaded hole 326, and the lower end of the second threaded rod 324 passes through the second threaded hole 326 and is matched with the second threaded sleeve.

[0039] As a preferred embodiment, the U-shaped steel plate 330 is arranged between the first connecting plate 310 and the second connecting plate 320, and is welded on one side of the first connecting plate 310 and on the other side of the second connecting plate 320, first U-shaped steel plate through hole 331 corresponding to the plurality of first through holes is arranged on the side of the U-shaped steel plate 330 close to the first connecting plate 310, and one end of the first steel bar 312 sequentially passes through the first through hole and the first U-shaped steel plate through hole 331 and is freely extended to the upper side position of the middle part of the U-shaped steel plate 330.

[0040] Second U-shaped steel plate through hole 332 corresponding to the plurality of second through holes is arranged on the side of the U-shaped steel plate 330 close to the second connecting plate 320, and one end of the second steel bar 322 sequentially passes through the second through hole and the second U-shaped steel plate through hole 332 and is freely extended to the upper side position of the middle part of the U-shaped steel plate 330.

[0041] Embodiment 2

[0042] The embodiment provides a construction method of the assembled building laminated plate joint structure in embodiment 1, and is characterized by comprising the following steps

[0043] The first step is that first, first laminated plate U-shaped groove is arranged at the middle position of the top of the first laminated plate along the width direction, and then second laminated plate U-shaped groove is arranged at the middle position of the top of the second laminated plate along the width direction.

[0044] The second step is that first bottom hole is arranged at the bottom of the first laminated plate U-shaped groove, and second bottom hole is arranged at the bottom of the second laminated plate U-shaped groove.

[0045] Fourth step: the top of the first and second laminated board is drilled with a first threaded sleeve fixing hole and a second threaded sleeve fixing hole, then the first threaded sleeve and the second threaded sleeve are inserted into the first threaded sleeve fixing hole and the second threaded sleeve fixing hole, and the cement is poured to fix them inside the first and second laminated boards;

[0046] Fifth step: the first connecting plate U-shaped groove bottom steel plate on the first connecting plate is inserted into the first laminated board U-shaped groove, then the first reinforcing steel is passed through the first through hole, the first connecting plate U-shaped groove through hole and the first U-shaped steel plate through hole to freely extend to the upper side position of the middle part of the U-shaped steel plate, then the two ends of the first U-shaped reinforcing steel are inserted into the first bottom hole through the first insertion hole in sequence, and finally the first threaded rod is rotated to pass through the first threaded hole and cooperate with the first threaded sleeve to be fixed and connected;

[0047] Sixth step: while operating the fifth step, the second connecting plate U-shaped groove bottom steel plate on the second connecting plate is inserted into the second laminated board U-shaped groove, then the second reinforcing steel is passed through the second through hole, the second connecting plate U-shaped groove through hole and the second U-shaped steel plate through hole to freely extend to the upper side position of the middle part of the U-shaped steel plate, then the two ends of the second U-shaped reinforcing steel are inserted into the second bottom hole through the second insertion hole in sequence, and finally the second threaded rod is rotated to pass through the second threaded hole and cooperate with the second threaded sleeve to be fixed and connected;

[0048] Seventh step: then the first connecting plate U-shaped groove, the second connecting plate U-shaped groove and the U-shaped steel plate are poured with concrete, the concrete fixes the first reinforcing steel, the second reinforcing steel, the first U-shaped reinforcing steel and the second U-shaped reinforcing steel, so that the first connecting plate and the second connecting plate are fixed and connected with the second laminated board and the first laminated board.

[0049] The assembled building laminated board joint structure and the construction method thereof have the advantages that the overall design is reasonable, the structure is simple, the operation is convenient, the firmness between each laminated board is increased, the overall stability is increased, other procedures can be operated without waiting for the concrete to set, the efficiency is high, the splicing speed is fast, the engineering progress is improved, the installation and construction operation is simple and convenient, the firmness between the joints is improved by using the mixed mode of concrete and connecting pieces, the disassembly is not affected, the single connecting piece in the market is more firm and stable.

[0050] The above description is only a description of the preferred embodiments of the utility model, and does not limit the scope of the utility model, any change and modification made by the ordinary skilled in the art according to the above disclosure is within the protection scope of the claims.

Claims

1. A prefabricated building composite slab splicing structure, characterized in that, include A first composite plate (100); A second composite plate (200) is provided, wherein the first composite plate (100) and the second composite plate (200) are arranged in parallel and spaced apart at the positions where the first composite plate (100) and the second composite plate (200) need to be provided; A connection structure (300) capable of quickly and firmly connecting a first composite plate (100) and a second composite plate (200) together, the connection structure (300) covering and fixing the upper side of the first composite plate (100) and the second composite plate (200); The connection structure (300) includes A first connecting plate (310) capable of effectively and quickly fixing the first composite plate (100), the first connecting plate (310) covering and fixing the upper side of the first composite plate (100); A second connecting plate (320) capable of effectively and quickly fixing the second composite plate (200) is provided, the second connecting plate (320) covering the upper side of the second composite plate (200); A U-shaped steel plate (330) capable of effectively fixing the first connecting plate (310) and the second connecting plate (320), the U-shaped steel plate (330) being disposed between the first connecting plate (310) and the second connecting plate (320) and covering the splice seam between the first composite plate (100) and the second composite plate (200).

2. The prefabricated building composite slab joint structure as described in claim 1, characterized in that, A first connecting plate U-shaped groove (311) is provided in the middle of the first connecting plate (310) along its width direction. A first composite plate U-shaped groove that mates with the first connecting plate U-shaped groove (311) is provided in the middle of the first composite plate (100) along its width direction. A plurality of first through holes are symmetrically provided on the first composite plate (100) and on both sides of the first composite plate U-shaped groove. The plurality of first through holes are spaced apart along the width direction of the first composite plate (100). A first connecting plate U-shaped groove through hole (317) corresponding to the first through hole is opened on both sides of the first connecting plate U-shaped groove (311). A first reinforcing bar (312) is inserted into the first through hole and the first connecting plate U-shaped groove through hole (317) on the same straight line. A first insertion hole (312) is symmetrically provided at the bottom of the first connecting plate U-shaped groove (311) and on both sides of the first reinforcing bar (312). 315), a first bottom hole corresponding to the first insertion hole (315) is provided at the bottom of the U-shaped groove of the first composite plate, and a first U-shaped steel bar (313) is inserted into the first insertion hole (315) on both sides of the first steel bar (312). The two ends of the first U-shaped steel bar (313) pass through the first insertion hole (315) and are inserted into the first bottom hole in sequence. Two first threaded holes (316) are provided on the first connecting plate (310) and between the adjacent first steel bars (312). The two first threaded holes (316) are symmetrically distributed on both sides of the U-shaped groove (311) of the first connecting plate. A first threaded sleeve corresponding to the first threaded hole (316) is provided on the first composite plate (100). A first threaded rod (314) is provided in the first threaded hole (316). The lower end of the first threaded rod (314) passes through the first threaded hole (316) and cooperates with the first threaded sleeve.

3. The prefabricated building composite slab joint structure as described in claim 2, characterized in that, A second connecting plate U-shaped groove (321) is provided in the middle of the second connecting plate (320) along its width direction. A second overlapping plate U-shaped groove that mates with the second connecting plate U-shaped groove (321) is provided in the middle of the second overlapping plate (200) along its width direction. A plurality of second through holes are symmetrically provided on the second overlapping plate (200) and on both sides of the second overlapping plate U-shaped groove. The plurality of second through holes are spaced apart along the width direction of the second overlapping plate (200). A second connecting plate U-shaped groove through hole (327) corresponding to the second through hole is opened on both sides of the second connecting plate U-shaped groove (321). A second reinforcing bar (322) is inserted into the second through hole and the second connecting plate U-shaped groove through hole (327) on the same straight line. A second insertion hole (322) is symmetrically provided at the bottom of the second connecting plate U-shaped groove (321) and on both sides of the second reinforcing bar (322). 325), a second bottom hole corresponding to the second insertion hole (325) is provided at the bottom of the U-shaped groove of the second composite plate. A second U-shaped steel bar (323) is inserted into the second insertion hole (325) on both sides of the second steel bar (322). The two ends of the second U-shaped steel bar (323) pass through the second insertion hole (325) and are inserted into the second bottom hole in sequence. Two second threaded holes (326) are provided on the second connecting plate (320) and between the adjacent second steel bars (322). The two second threaded holes (326) are symmetrically distributed on both sides of the U-shaped groove (321) of the second connecting plate. A second threaded sleeve corresponding to the second threaded hole (326) is provided on the second composite plate (200). A second threaded rod (324) is provided in the second threaded hole (326). The lower end of the second threaded rod (324) passes through the second threaded hole (326) and cooperates with the second threaded sleeve.

4. The prefabricated building composite slab joint structure as described in claim 3, characterized in that, The U-shaped steel plate (330) is disposed between the first connecting plate (310) and the second connecting plate (320), with one side welded to the first connecting plate (310) and the other side welded to the second connecting plate (320). On the side of the U-shaped steel plate (330) near the first connecting plate (310), there is a first U-shaped steel plate through hole (331) corresponding to a plurality of first through holes. One end of the first reinforcing bar (312) passes through the first through hole and the first U-shaped steel plate through hole (331) in sequence and extends freely to the upper side of the middle part of the U-shaped steel plate (330). On the side of the U-shaped steel plate (330) near the second connecting plate (320), there is a second U-shaped steel plate through hole (332) corresponding to a plurality of second through holes. One end of the second reinforcing bar (322) passes through the second through hole and the second U-shaped steel plate through hole (332) in sequence and extends freely to the upper side of the middle part of the U-shaped steel plate (330).

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