CN211229113U

CN211229113U - Buckled close amalgamation lamination floor

Info

Publication number: CN211229113U
Application number: CN201921815915.2U
Authority: CN
Inventors: 杨奉源; 李彬; 杨永敏; 刘仁椿; 佟诚惠
Original assignee: Sichuan Railway Sleeper And Bridge Engineering Co ltd
Current assignee: Sichuan Railway Sleeper And Bridge Engineering Co ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-08-11
Anticipated expiration: 2029-10-25

Abstract

The utility model provides a close amalgamation of buckled overlaps floor relates to assembly type structure technical field, and it includes left board and right board, and left board and right board all include prefabricated bottom plate layer and lie in the post-cast laminated layer of prefabricated bottom plate layer top and lower, the upper end is absorbed in prefabricated bottom plate layer respectively and post-cast the splice bar in the laminated layer. The left plate and the right plate are respectively pre-embedded with a first steel plate and a second steel plate at the positions, close to the abutted seam surfaces, of the prefabricated bottom plate layers, and the first steel plate and the second steel plate are oppositely arranged in the vertical direction and are provided with buckling parts on the opposite surfaces. The problem of among the prior art buckled closely piece together the coincide floor construction degree of difficulty when the amalgamation big, easy dislocation is solved.

Description

Buckled close amalgamation lamination floor

Technical Field

The utility model relates to an assembly type structure technical field especially relates to a close amalgamation of buckled folds floor.

Background

The fabricated building can greatly improve the construction rate, shorten the construction period, reduce the restriction of climate conditions, and achieve the purposes of energy conservation, emission reduction and environmental protection, so that the fabricated building is widely applied. The technology of the concrete laminated floor slab is that the floor slab is divided into two parts along the thickness direction, the bottom part is a prefabricated bottom plate, and the upper part is post-cast with a concrete laminated layer. The prefabricated bottom plate with the bottom steel bars is used as a part of a floor slab, is used as a template of a post-cast concrete superposed layer to bear load in the construction stage, and forms an integral superposed concrete member with the post-cast concrete layer. The concrete composite floor slab is divided into a unidirectional stressed laminated slab and a bidirectional stressed laminated slab according to the specific stressed state. The patchwork can be divided into a separate type seam (i.e. a 'close-spliced' seam in which the bottom plates are not pulled apart) and an integral type seam (i.e. a post-cast concrete strip is arranged between the bottom plates) according to the connection mode. Generally, the unidirectional sheets employ a split seam and the bidirectional sheets employ an integral seam.

The existing buckled type close-splicing laminated floor slab connection mainly adopts a one-way plate separation type seam technology, the one-way plates in the technology are provided with ribs in the stress rib direction, the ribs cannot be provided in the distribution rib direction, a seam of 5-10mm is reserved between the two one-way plates, and additional reinforcing steel bars with the same diameter as the distributed reinforcing steel bars are placed on the surfaces of prefabricated plates to ensure the continuity of the reinforcing steel bars. The main problems of this connection are as follows:

(1) the construction degree of difficulty is big during the amalgamation, and the seam position of disconnect-type seam appears the crack easily, though not influencing structure safety, but seriously influences owner's use and experience.

(2) Because the production error of the one-way plate or the construction error during the connection between two adjacent one-way plates can cause the height difference between the two one-way plates, the impression effect of the floor slab is seriously influenced, the difficulty of subsequent decoration construction is increased, and the decoration effect is influenced.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned problem among the prior art, the utility model provides a close amalgamation of buckled folds floor has solved among the prior art problem that the close amalgamation of buckled folds floor construction degree of difficulty is big, easy dislocation when amalgamation.

In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows:

the utility model provides a close amalgamation of buckled folds floor, it includes left board and right board, and left board and right board all include prefabricated bottom plate layer and lie in the post-cast laminated layer of prefabricated bottom plate layer top and down, the upper end is absorbed in the connecting reinforcement in prefabricated bottom plate layer and the post-cast laminated layer respectively. The left plate and the right plate are respectively pre-embedded with a first steel plate and a second steel plate at the positions, close to the abutted seam surfaces, of the prefabricated bottom plate layers, and the first steel plate and the second steel plate are oppositely arranged in the vertical direction and are provided with buckling parts on the opposite surfaces.

Further, the buckling part comprises a convex strip arranged on the first steel plate and a groove which is arranged on the second steel plate and is used for inserting the convex strip.

Furthermore, the one end that the second steel sheet is close to the piece face is provided with the extension, and one side that is close to first steel sheet on the extension is fixed with the blend stop, and the recess is located between blend stop and the piece face.

Furthermore, the first steel plate is positioned above the second steel plate, and the right plate is reserved with a mortar groove below the second steel plate.

Furthermore, one end of the left plate, which is adjacent to the joint surface, is provided with a T-shaped groove for the insertion of the extending part and the extension of the mortar groove.

Further, the depth of the connecting steel bars sunk into the prefabricated floor slab or the post-cast laminated layer is not less than one-half layer thickness of the corresponding layer.

Furthermore, the connecting steel bars are in sine wave shapes and are symmetrically distributed relative to the top surface of the prefabricated floor layer in the vertical direction.

Furthermore, reinforcing steel bars are uniformly distributed in the prefabricated bottom plate layer and the post-cast superposed layer of the left plate and the right plate.

The utility model has the advantages that: through pre-buried first steel sheet and second steel sheet respectively in the piece face department of left plate and right board, the buckling part that sets up on the opposite face through first steel sheet and second steel sheet is the lock when left plate and right board concatenation, can reduce the installation degree of difficulty, improves the concatenation precision, has improved the efficiency of construction greatly.

The concatenation of the fixed left board of lock effect through first steel sheet and second steel sheet and right board, make when the site operation, need not to stay and establish the post-cast strip, the work of post-cast strip formwork and erection support has been reduced on the spot, promote site operation's convenience and efficiency, and during the concatenation, the glossy steel sheet in surface is changeed in the alignment, the efficiency of construction is higher, be difficult to produce the difference in height, and the reinforcing effect of steel sheet has been had, make the intensity of coincide floor connection better, be difficult to produce defects such as crack, construction quality is improved, make its application more extensive.

Drawings

Fig. 1 is a schematic structural view of a fastening type close-fitting laminated floor.

Fig. 2 is an enlarged view of a point a in fig. 1.

Fig. 3 is a schematic structural view of the left plate.

Fig. 4 is a schematic structural view of the right plate.

Wherein, 1, a left plate; 11. prefabricating a bottom plate layer; 12. post-pouring a superposed layer; 13. connecting reinforcing steel bars; 14. a first steel plate; 15. a T-shaped groove; 16. reinforcing steel bars; 2. a right plate; 21. splicing and sewing the surfaces; 22. a second steel plate; 221. an extension portion; 222. blocking strips; 23. a mortar groove; 3. a fastening part; 31. a convex strip; 32. and (4) a groove.

Detailed Description

The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes will be apparent to those skilled in the art as long as they are within the spirit and scope of the present invention as defined and defined by the appended claims, and all inventions contemplated by the present invention are protected.

As shown in fig. 1, the buckled type close-spliced overlapped floor slab comprises a left plate 1 and a right plate 2 which are spliced, wherein the right end surface of the left plate 1 and the left end surface of the right plate 2 are spliced surfaces 21. The left plate 1 and the right plate 2 both comprise a prefabricated bottom plate layer 11, a post-cast laminated layer 12 positioned above the prefabricated bottom plate layer 11, and connecting steel bars 13 with lower and upper ends respectively sunk into the prefabricated bottom plate layer 11 and the post-cast laminated layer 12. The depth of the connecting reinforcement 13 into the prefabricated floor layer 11 or the post-cast laminated layer 12 is not less than one-half of the layer thickness of the corresponding layer. The connecting steel bars 13 are in a sine wave shape and are symmetrically distributed relative to the top surface of the prefabricated floor layer 11 in the vertical direction. Reinforcing steel bars 16 are distributed in the prefabricated bottom plate layer 11 and the post-cast laminated layer 12 of the left plate 1 and the right plate 2.

As shown in fig. 2, a first steel plate 14 and a second steel plate 22 are respectively embedded in the prefabricated floor layer 11 of the left panel 1 and the right panel 2 adjacent to the joint surface 21, the first steel plate 14 and the second steel plate 22 are arranged in a vertical direction oppositely, and the buckling parts 3 are arranged on the opposite surfaces.

The first steel plate 14 is positioned above the second steel plate 22. The engaging portion 3 includes a protruding strip 31 disposed on the first steel plate 14 and a groove 32 disposed on the second steel plate 22 for inserting the protruding strip 31. The protruding strip 31 is integrally formed with the first steel plate 14 and is located on the bottom surface of the right end of the first steel plate 14, as shown in fig. 3, the right end surface of the protruding strip 31 is flush with the right end surface of the prefabricated floor layer 11 of the left panel 1. In the in-process of the in-service use, can set up a plurality of first steel sheet 14 and the structure of second steel sheet 22 through the buckling parts 3 lock according to the length of piece together face 21 along piece together face 21 interval, increase the concatenation precision of left side board 1 and right side board 2 and the fastness of being connected.

As shown in fig. 4, the left end of the second steel plate 22 is provided with an extending portion 221, a barrier rib 222 is integrally formed on the top surface of the left end of the extending portion 221, and a groove 32 is formed between the barrier rib 222 and the left end surface of the prefabricated floor layer 11 of the right plate 2. One end of the left plate 1 adjacent to the patchwork surface 21 is provided with a T-shaped slot 15 into which the extension 221 is inserted, as shown in fig. 3, so that the extension 221 can protrude below the left plate 1.

When the left plate 1 and the right plate 2 are spliced, the right end face of the prefabricated bottom plate layer 11 of the left plate 1 is tightly attached to the left end face of the prefabricated bottom plate layer 11 of the right plate 2, and the convex strip 31 is inserted into the groove 32 for positioning. A mortar groove 23 is reserved below the second steel plate 22 and the extension part 221, and as shown in fig. 2 and 4, after the left plate 1 and the right plate 2 are spliced in place, mortar is filled into the mortar groove 23 to achieve the fixing purpose.

When the coincide floor in this scheme of adoption carries out construction, at first this coincide floor transports the construction site from prefabricated mill, adopts lifting device to fix a position the coincide floor hoist and mount and make sand grip 31 insert in recess 32 and adjust and make left board 1 align completely with right board 2, then fills the mortar in to mortar groove 23, and the mortar is filled and is accomplished the back as shown in fig. 2, then pours post-cast lamination layer 12.

Claims

1. The buckled type close-spliced overlapped floor slab is characterized by comprising a left plate (1) and a right plate (2), wherein the left plate (1) and the right plate (2) respectively comprise a prefabricated bottom plate layer (11), a post-cast overlapped layer (12) positioned above the prefabricated bottom plate layer (11) and connecting steel bars (13) with the lower ends and the upper ends respectively sunk into the prefabricated bottom plate layer (11) and the post-cast overlapped layer (12);

the prefabricated floor layer (11) of left side board (1) with right side board (2) is close to piece together seam face (21) punishment and is pre-buried respectively to have first steel sheet (14) and second steel sheet (22), first steel sheet (14) with second steel sheet (22) set up relatively in vertical direction and are provided with buckling parts (3) on the opposite face.

2. The buckled type close-fitting laminated floor slab as claimed in claim 1, wherein the buckling part (3) comprises a convex strip (31) arranged on the first steel plate (14) and a groove (32) arranged on the second steel plate (22) and used for inserting the convex strip (31).

3. The buckled type close-fitting overlapped floor slab as claimed in claim 2, wherein an extension part (221) is arranged at one end of the second steel plate (22) adjacent to the joint face (21), a blocking strip (222) is fixed on one side of the extension part (221) adjacent to the first steel plate (14), and the groove (32) is located between the blocking strip (222) and the joint face (21).

4. The buckled type close-fitting laminated floor slab as claimed in claim 3, wherein the first steel plate (14) is positioned above the second steel plate (22), and the right plate (2) is reserved with a mortar groove (23) below the second steel plate (22).

5. The buckled type close-fitting overlapped floor slab as claimed in claim 4, wherein one end of the left plate (1) adjacent to the joint face (21) is provided with a T-shaped groove (15) for the extension part (221) to insert and the mortar groove (23) to extend into.

6. The buckled close-fitting laminated floor slab as claimed in claim 1, wherein the depth of the connecting reinforcement (13) sinking into the prefabricated floor layer (11) or the post-cast laminated layer (12) is not less than half the layer thickness of the corresponding layer.

7. The buckled type close-fitting laminated floor slab as claimed in claim 1 or 6, wherein the connecting steel bars (13) are in a sine wave shape and are symmetrically distributed relative to the top surface of the prefabricated floor slab (11) in the vertical direction.

8. The buckled close-fitting laminated floor slab as claimed in claim 1, wherein said prefabricated floor slab (11) and said post-cast laminated layer (12) of said left panel (1) and said right panel (2) are distributed with reinforcing steel bars (16).