CN204252327U - Overlaid plate type shear force wall reinforcing steel bar pin joint connecting elements - Google Patents

Abstract

The utility model relates to a superimposed slab type shear wall steel bar pin connection component. When installing between the existing laminated slab shear walls, the reinforced steel bars are not connected to each other and cannot participate in the structural force. Only the connecting steel bars are placed in the middle of the cast-in-place concrete layer between the wall panels. The laminated slab formed by this connection method Type shear wall structure system, the anchoring effect of the shear wall reinforcement is not ideal, the structure has poor shear resistance, and the seismic performance is not good. The composite slab type shear wall reinforcement pin connection member is composed of: the longitudinal reinforcement (1) and the horizontal reinforcement (2) of the composite slab type shear wall are both closed rings, and the closed rings of the adjacent walls are Reinforcing bars are arranged in one-to-one correspondence or at intervals. There are concrete sheets ( 3 ) of a certain thickness on both sides of the laminated slab shear wall, and there are cavities between the sheets. 4) Connected. The utility model is applied to the steel bar pin connection member of the superimposed slab type shear wall.

Description

Reinforcement pin-connected member of laminated slab shear wall

Technical field:

The utility model relates to a superimposed slab type shear wall steel bar pin connection component, in particular to an assembled building main body, which belongs to the technical field of construction.

Background technique:

When installing between the existing laminated slab shear walls, the reinforced steel bars are not connected to each other and cannot participate in the structural force. Only the connecting steel bars are placed in the middle of the cast-in-place concrete layer between the wall panels. The laminated slab formed by this connection method Type shear wall structure system, the anchoring effect of the shear wall reinforcement is not ideal, the structure has poor shear resistance, and the seismic performance is not good.

Invention content:

The purpose of the utility model is to provide a superimposed slab type shear wall reinforcement pin connection member.

Above-mentioned purpose realizes by following technical scheme:

A laminated slab shear wall reinforcement pin connection member, which consists of: laminated slab shear wall longitudinal reinforcement and laminated slab shear wall horizontal reinforcement, the laminated slab shear wall longitudinal reinforcement and laminated slab The horizontal steel bars of the laminated shear wall are all closed rings, the longitudinal reinforcement of the laminated plate shear wall and the horizontal reinforcement of the laminated plate shear wall are arranged in one-to-one correspondence or at intervals, and the two sides of the laminated plate shear wall have Concrete thin slabs with a certain thickness, the spaces between the concrete thin slabs are cavities, and the concrete thin slabs are connected by lattice steel bars.

The said laminated slab shear wall reinforcement pin connection member, the said laminated slab shear wall longitudinal reinforcement and laminated slab shear wall horizontal reinforcement are bent and protrude from the laminated slab shear wall wall, said The longitudinal reinforcement of the laminated slab shear wall between the thin concrete slabs and the horizontal reinforcement of the laminated slab shear wall are connected through straight steel bars and closed stirrups.

The said laminated slab shear wall reinforcement pin connection member, the said laminated slab shear wall longitudinal reinforcement and laminated slab shear wall horizontal reinforcement are not bent and do not protrude from the laminated slab shear wall wall, The longitudinal reinforcement of the laminated slab shear wall between the concrete thin slabs and the horizontal reinforcement of the laminated slab shear wall are pinned and connected by straight reinforcements and closed stirrups.

The beneficial effects of the utility model:

1. In the connection between the laminated slab shear walls of the utility model, the closed ring-shaped longitudinal steel bars and horizontal steel bars are pinned and connected by straight steel bars and closed stirrups, and the connection position of the wall panels in the formed structural system is essentially Multiple hidden beams staggered horizontally and vertically improve the structural integrity and enhance the seismic capacity of the structure.

The wall panel of the utility model has closed ring-shaped longitudinal steel bars and horizontal steel bars, and the steel bars are pin-connected with the steel bars, and the steel bars directly participate in the structural force, which overcomes the problem that the internal steel bars of the existing laminated plate shear wall only serve as the skeleton of the concrete thin plate and do not participate in the structure. Disadvantages of force calculation, strong structural integrity, avoiding the waste of steel bars, simple operation, forming a structural system equivalent to cast-in-place reinforced concrete, and ensuring structural safety.

Description of drawings:

Accompanying drawing 1 is a schematic diagram of the structure of the wall vertical steel bar pin joint connection method of the present utility model.

Accompanying drawing 2 is a schematic diagram of the structure of the wall horizontal reinforcement pin joint connection mode of the utility model.

Accompanying drawing 3 is the two-axometric view of the wall vertical reinforcement pin joint connection mode of the utility model.

Accompanying drawing 4 is the vertical sectional view of accompanying drawing 3.

Accompanying drawing 5 is two axonometric diagrams of the wall body horizontal reinforcing bar pin connection mode of the present utility model.

Accompanying drawing 6 is the horizontal sectional view of accompanying drawing 5.

Accompanying drawing 7 is the triaxial survey of the wall vertical steel bar pin connection mode of the utility model.

Accompanying drawing 8 is the vertical sectional view of accompanying drawing 7.

Accompanying drawing 9 is the triaxial survey of the wall horizontal reinforcing bar pin connection mode of the utility model.

Accompanying drawing 10 is the horizontal sectional view of accompanying drawing 9.

Detailed ways:

Example 1:

The method for connecting steel bars of a laminated slab shear wall by pin connection, which consists of: the longitudinal reinforcement 1 and the horizontal reinforcement 2 of the laminated slab shear wall are both closed rings, and the closed ring steel bars of adjacent walls correspond to each other one by one. Or arranged at intervals, there are concrete sheets 3 of a certain thickness on both sides of the laminated slab shear wall, and there is a cavity between the sheets, and the two layers of concrete sheets are connected by a lattice reinforcement 4 .

Example 2:

The laminated slab shear wall described in Example 1 is characterized in that: the closed ring-shaped longitudinal steel bars and horizontal steel bars are bent or not bent, protruding or not protruding from the laminated slab shear wall surface , when the laminated slab shear wall is connected, the closed ring-shaped steel bars of adjacent walls are connected by straight steel bars 5 and closed stirrups 6 to realize the pin connection of the steel bars.

Example 3:

The superimposed slab shear wall described in embodiment 1 or 2 is characterized in that: the described superimposed slab shear wall reinforcement pin connection method is applied to the horizontal connection of the wall and the longitudinal connection of the wall.

Example 4:

The laminated slab shear wall described in embodiment 1 or 2 or 3 is characterized in that: concrete is poured between the cavity of the laminated slab shear wall and the post-casting zone between the wall to form a shear force equivalent to that of cast-in-situ shear wall. The structural system of the wall.

Example 5:

According to the connection method of the laminated slab shear wall reinforcement pin connection member described in embodiment 1 or 2 or 3 or 4, when the laminated slab shear wall is longitudinally connected, the lower part of the upper wall is provided with a pad , so that it reaches the design height, the externally extended steel bars between the upper and lower walls are staggered and overlapped with each other or a handover gap is formed by closing the stirrups, and corner horizontal steel bars not less than the structural design reinforcement ratio are inserted in the handover gap; When the laminated slab shear wall is connected horizontally, one side of the wall is moved horizontally so that the external reinforcement bars of the wall are staggered and overlapped with each other or a joint gap is formed by closing the stirrup. The longitudinal steel bars at the corners are used to support the formwork, and concrete is poured into the post-casting strip between the cavity of the laminated slab shear wall and the wall, and the concrete reaches the design strength, forming a structural system equivalent to the cast-in-place shear wall.

Claims (3)

1. an overlaid plate type shear force wall reinforcing steel bar pin joint connecting elements, its composition comprises: overlaid plate type shear wall longitudinal reinforcement and overlaid plate type shear wall horizontal reinforcement, it is characterized in that: described overlaid plate type shear wall longitudinal reinforcement and overlaid plate type shear wall horizontal reinforcement are closed circular, overlaid plate type shear wall longitudinal reinforcement and overlaid plate type shear wall horizontal reinforcement one_to_one corresponding or interval are arranged, described overlaid plate type shear wall body both sides have certain thickness concrete thin plates, it is cavity between described concrete thin plates, described concrete thin plates is connected by lattice reinforcing bar.

2. overlaid plate type shear force wall reinforcing steel bar pin joint connecting elements according to claim 1, it is characterized in that: overlaid plate type shear wall metope is stretched out in described overlaid plate type shear wall longitudinal reinforcement and the bending of overlaid plate type shear wall horizontal reinforcement, and the overlaid plate type shear wall longitudinal reinforcement between described concrete thin plates is connected with closed stirrup pin joint by straight reinforcing bar with between overlaid plate type shear wall horizontal reinforcement.

3. overlaid plate type shear force wall reinforcing steel bar pin joint connecting elements according to claim 1, it is characterized in that: described overlaid plate type shear wall longitudinal reinforcement and overlaid plate type shear wall horizontal reinforcement do not bend and do not stretch out overlaid plate type shear wall metope, the overlaid plate type shear wall longitudinal reinforcement between described concrete thin plates is connected with closed stirrup pin joint by straight reinforcing bar with between overlaid plate type shear wall horizontal reinforcement.