CN-224213547-U - Two-way superimposed sheet board side piece structure

CN224213547UCN 224213547 UCN224213547 UCN 224213547UCN-224213547-U

Abstract

The utility model belongs to the technical field of side joint of laminated plates, and particularly relates to a side joint structure of a two-way laminated plate. The two-way laminated slab side joint structure comprises a base plate, joint connection reinforcing steel bars, laminated layer reinforcing steel bars and post-cast concrete laminated layers, wherein adjacent base plates form a continuous joint structure through slab side joint joints, post-cast strips are reserved at the joint joints, the base plate comprises steel bar trusses, the joint connection reinforcing steel bars continuously penetrate through the joint joints of all the adjacent base plates in the direction perpendicular to the steel bar trusses, the length direction of the joint connection reinforcing steel bars covers the transverse full width of the adjacent base plates after being spliced, and two ends of the joint connection reinforcing steel bars extend to the outer side edges of the outermost base plates. The utility model has stronger structural integrity and simpler construction, solves the problem that water leakage possibly exists when the two-way laminated plates are used, and ensures the use function and living experience of the building.

Inventors

LI LING
TANG MINGSHENG
GAO YAXIN
GAO YAN
JIANG GONGCHENG

Assignees

中信建筑设计研究总院有限公司

Dates

Publication Date: 20260508
Application Date: 20250411

Claims (8)

1. A bi-directional laminated board side seam construction comprising: Each bottom plate comprises a steel bar truss, a first bottom plate steel bar parallel to the steel bar truss and a second bottom plate steel bar perpendicular to the steel bar truss, wherein the first bottom plate steel bar is arranged below the second bottom plate steel bar, the adjacent bottom plates form a continuous splicing structure through plate side splicing seams, and post-pouring belts are reserved at the splicing seams; The joint connection steel bars continuously penetrate through the joint joints of all the adjacent bottom plates in the direction perpendicular to the steel bar truss, the length direction of the joint connection steel bars covers the transverse full width of the spliced adjacent bottom plates, and the two ends of the joint connection steel bars extend to the outer edges of the outermost bottom plates; The laminated steel bars comprise first laminated steel bars parallel to the steel bar truss and second laminated steel bars perpendicular to the steel bar truss, and the first laminated steel bars are arranged on the upper parts of the second laminated steel bars; And the post-pouring concrete laminated layer is densely filled on the upper surface of the adjacent bottom plate and the post-pouring belt, and forms an integral structure stressed cooperatively with the bottom plate by coating the seam connecting steel bars, the seam plate bottom steel bars and the laminated layer steel bars.
2. The bi-directional laminated slab side seam construction of claim 1, wherein the post-cast concrete laminate layer has a thickness of 100mm or more.
3. The two-way laminated slab side joint structure according to claim 2, wherein the roughness area of the joint surface of the bottom plate and the laminated layer is 80% or more, the roughness depth of the rough surface is 4mm or more, the roughness area of the joint surface of the bottom plate and the post-cast strip is 80% or more, and the roughness depth of the rough surface is 4mm or more.
4. The bi-directional laminated slab side seam construction of claim 2 further comprising a seam along a slab bottom rebar disposed in the post-cast strip parallel to a rebar truss direction and below the second floor rebar.
5. The bi-directional laminated board side joint structure according to claim 1, wherein chamfers are arranged on the periphery of the bottom board, and mortar joint filling is adopted at the chamfers.
6. The bi-directional laminated slab side seam construction of claim 1, wherein a cross-sectional area of the seam connection rebar is equal to or greater than a cross-sectional area of the second floor rebar.
7. The two-way laminated slab side seam construction of claim 1, wherein the second base plate reinforcement extends out of the base plate into the post-cast strip with an end portion that can be connected in a 135 ° hook, a 90 ° hook or a straight overlap connection.
8. The bi-directional laminated slab side seam construction of claim 1, wherein the steel bar truss includes upper chord steel bars, lower chord steel bars, and web member steel bars, an upper portion of which extends out of the bottom plate.

Description

Two-way superimposed sheet board side piece structure Technical Field The utility model belongs to the technical field of side joint of laminated plates, and particularly relates to a side joint structure of a two-way laminated plate. Background The traditional cast-in-situ construction has the problems of resource waste, serious pollution and the like, and prevents the industrialized transformation of the building. The reinforced truss concrete superimposed sheet (60 mm thick bottom plate) is an assembly type component which is widely applied at present due to good mechanical property, portability in construction, low cost, good quality, energy conservation and environmental protection. The laminated slab is the same as the cast-in-situ slab and can be divided into a unidirectional laminated slab and a bidirectional laminated slab. The stress direction of the bidirectional laminated plate is bidirectional, and the bidirectional laminated plate can effectively bear load in two orthogonal directions. Because of the stress characteristics, the stress steel bars in two directions usually extend during production, so that the two-way stress requirement can be met in actual use. This way of production, although to some extent more complex than that of unidirectional superimposed sheets, also makes the overall structural performance of the sheet more stable. "Fourth generation homes" introduce large area air gardens and open terraces. To meet the requirements associated with fabricated structures, floorslabs in the air garden and open deck areas also require the use of fabricated components. When adopting two-way superimposed sheet, because the atress reinforcing bar of two directions can all stretch out generally, consequently the connected mode at the board side between two-way superimposed sheet is more diversified relatively than one-way superimposed sheet, and it is common for setting up one section post-cast strip, utilizes overhanging atress reinforcing bar to realize connecting. Although the connection modes are various, the hidden trouble of leakage can occur at the connection nodes in a complex open air environment for a long time. Large areas such as air gardens and open terraces have numerous panel side seams that, once leaky, severely impact the functional and living experience of the building. Therefore, there is a need to develop a bi-directional laminated slab side seam construction to solve the above-mentioned problems. Disclosure of utility model Aiming at the technical problems in the prior art, the utility model provides a two-way laminated plate side seam structure for solving the problem of leakage of the two-way laminated plate side seam. The technical scheme for solving the technical problems is as follows: a bi-directional laminated board side seam construction comprising: Each bottom plate comprises a steel bar truss, a first bottom plate steel bar parallel to the steel bar truss and a second bottom plate steel bar perpendicular to the steel bar truss, wherein the first bottom plate steel bar is arranged below the second bottom plate steel bar, the adjacent bottom plates form a continuous splicing structure through plate side splicing seams, and post-pouring belts are reserved at the splicing seams; The joint connection steel bars continuously penetrate through the joint joints of all the adjacent bottom plates in the direction perpendicular to the steel bar truss, the length direction of the joint connection steel bars covers the transverse full width of the spliced adjacent bottom plates, and the two ends of the joint connection steel bars extend to the outer edges of the outermost bottom plates; The edge joint is arranged in the post-pouring zone along the joint plate bottom steel bar in parallel to the steel bar truss direction and is positioned below the second bottom plate steel bar; The laminated steel bars comprise first laminated steel bars parallel to the steel bar truss and second laminated steel bars perpendicular to the steel bar truss, and the first laminated steel bars are arranged on the upper parts of the second laminated steel bars; And the post-pouring concrete laminated layer is densely filled on the upper surface of the adjacent bottom plate and the post-pouring belt, and forms an integral structure stressed cooperatively with the bottom plate by coating the seam connecting steel bars, the seam plate bottom steel bars and the laminated layer steel bars. On the basis of the technical scheme, the utility model can be improved as follows. Further, the thickness of the post-cast concrete laminated layer is more than or equal to 100mm. Further, the roughness area of the joint surface of the bottom plate and the superposed layer is more than or equal to 80%, the concave-convex depth of the rough surface is more than or equal to 4mm, the roughness area of the joint surface of the bottom plate and the post-pouring belt is more than or equal to 80%, and the concave-convex dep