CN209538391U - Reduce the PBL self-locking plate and shear connector of regeneration concrete and fashioned iron sliding - Google Patents

Abstract

The utility model discloses the PBL self-locking plates of a kind of reduction regeneration concrete and fashioned iron sliding, including bottom plate, vertically it is connected with connecting plate and two inclined plates on bottom plate, a side of inclined plate and a side of connecting plate are affixed, and a side of another inclined plate and another side of connecting plate are affixed；The invention also discloses the shear connector of a kind of reduction regeneration concrete and fashioned iron sliding, the PBL self-locking plate being oppositely arranged including two is connected with connecting rod between two PBL self-locking plates.The utility model reduces the PBL self-locking plate of regeneration concrete and fashioned iron sliding, can reduce the interface sliding between fashioned iron and regeneration concrete；Reduce the shear connector of regeneration concrete and fashioned iron sliding, can interfacial adhesion between enhanced type steel and regeneration concrete so that preferably common stress realizes compatibility of deformation for fashioned iron and regeneration concrete；Structure is simple, easy to assembly, can be obviously improved construction efficiency.

Description

PBL self-locking panels and shear connectors to reduce slippage of recycled concrete and steel profiles

technical field

The utility model belongs to the technical field of composite structures, and relates to a PBL self-locking plate that reduces the slippage of recycled concrete and profiled steel, and also relates to a shear-resistant connector that reduces the slippage of recycled concrete and profiled steel.

Background technique

Using the coarse aggregate obtained from engineering construction and demolition waste concrete to configure recycled concrete can effectively reduce carbon emissions and reduce the use of natural aggregates, thereby saving natural resources and protecting the ecological environment, which can meet the sustainable development of my country's social economy. strategy. At the same time, steel and recycled concrete composite structure is a new type of structure, which is widely used in practical projects because of its good bearing performance, strong seismic energy dissipation capacity, and simple construction.

In order to achieve better co-stress between the profiled steel and the recycled concrete to achieve deformation coordination, it is usually necessary to set shear connectors. PBL shear connector is a new type of shear connector, but the traditional PBL shear connector is not only slow in construction, but also has poor shear resistance between profile steel and recycled concrete.

Utility model content

The purpose of this utility model is to provide a kind of PBL self-locking board which reduces the slippage of recycled concrete and profiled steel, which can reduce the interface slippage between profiled steel and recycled concrete;

The utility model also provides a shear-resisting connector that reduces the slippage of the recycled concrete and the profiled steel, which can make the profiled steel and the recycled concrete better co-stress to achieve deformation coordination.

The first technical scheme adopted by the utility model is:

A PBL self-locking board for reducing the slippage of recycled concrete and section steel, comprising a bottom plate, a connecting plate and two inclined plates are vertically fixed on the bottom plate, one side of the inclined plate is fixed with one side of the connecting plate, and the other One side of an inclined plate is fixedly connected with the other side of the connecting plate.

The first technical solution of the present utility model is characterized in that:

The two inclined plates are respectively inclined to different sides of the connecting plate, and the included angle between the two inclined plates and the connecting plate is not greater than the friction angle.

Another technical solution adopted by the utility model is a shear-resistant connecting piece for reducing the slippage of recycled concrete and profiled steel, comprising two PBL self-locking plates arranged oppositely, and connecting rods are fixedly connected between the two PBL self-locking plates .

Another feature of the technical solution of the present utility model is:

The PBL self-locking board includes a bottom plate, a connecting plate and two inclined plates are vertically fixed on the bottom plate, one side of the inclined plate is fixed with one side of the connecting plate, and one side of the other inclined plate is connected with the Fastened on the other side.

The two inclined plates are respectively inclined to different sides of the connecting plate, and the included angle between the two inclined plates and the connecting plate is not greater than the friction angle.

Both the two PBL self-locking plates are provided with threaded holes, the connecting rods are threaded rods, and the connecting rods are also provided with nuts, and the two PBL self-locking plates and the connecting rods are fixedly connected by threads.

Both PBL self-locking boards are provided with through holes.

The beneficial effects of the present utility model are:

The PBL self-locking plate of the utility model can reduce the slippage between the regenerated concrete and the regenerated concrete, can reduce the interface slip between the regenerated concrete and the regenerated concrete; The interfacial bonding force is good, so that the profile steel and recycled concrete can be better co-stressed to achieve deformation coordination; the structure is simple, the assembly is convenient, and the construction efficiency can be significantly improved.

Description of drawings

Fig. 1 is the structural representation of the PBL self-locking plate that reduces the slippage of recycled concrete and section steel of the present invention;

Fig. 2 is the structural schematic diagram of the shear connector for reducing the slippage of recycled concrete and profile steel according to the present invention;

Figure 3 is a schematic structural diagram of a connecting rod in the shear connector for reducing the slippage of recycled concrete and section steel according to the present invention.

In the figure, 1. PBL self-locking plate, 1-1. base plate, 1-2. connecting plate, 1-3. inclined plate, 2. connecting rod, 3. threaded hole, 4. through hole.

Detailed ways

The PBL self-locking plate that reduces the slippage of recycled concrete and profiled steel, as shown in Figure 1, includes a bottom plate 1-1, and a connecting plate 1-2 and two inclined plates 1-3 are vertically fixed on the bottom plate 1-1. One side of the plate 1-3 is fixed to one side of the connecting plate 1-2, and one side of the other inclined plate 1-3 is fixed to the other side of the connecting plate 1-2; two inclined plates 1-3 are respectively inclined to different sides of the connecting plate 1-2, and the included angle between the two inclined plates 1-3 and the connecting plate 1-2 is not greater than the friction angle.

The shear connector for reducing the slippage of recycled concrete and section steel, as shown in Figure 1 and Figure 2, includes two PBL self-locking plates 1 arranged oppositely. The PBL self-locking plate 1 includes a bottom plate 1-1, and the Connecting plate 1-2 and two inclined plates 1-3 are fixed vertically, one side of one inclined plate 1-3 is fixed with one side of connecting plate 1-2, and one side of the other inclined plate 1-3 is fixed. The side is fixed to the other side of the connecting plate 1-2; the two inclined plates 1-3 are respectively inclined to different sides of the connecting plate 1-2, and the two inclined plates 1-3 and the connecting plate 1-2 are respectively The included angle is not greater than the friction angle; the connecting plates 1-2 on the two PBL self-locking plates 1 are provided with threaded holes 3, and the two PBL self-locking plates 1 are connected with a threaded connecting plate as shown in Figure 3. The rod 2, and the connecting rod 2 is also equipped with a nut, and the two PBL self-locking plates 1 and the connecting rod 2 are fixedly connected by threads; .

In the PBL self-locking plate of the utility model that reduces the slippage of recycled concrete and profiled steel, the two inclined plates 1-3 are respectively inclined to different sides of the connecting plate 1-2, and the two inclined plates 1-3 and the connecting plate 1-2 are separated from each other. The included angle between them is not greater than the friction angle, which can enhance the ability of the PBL self-locking plate 1 to resist the shear force in the length direction of the connecting plate 1-2; the shear connecting piece of the utility model reduces the slippage of the recycled concrete and the profiled steel, and the connecting plate 1-2 The through hole 4 on the 2 can enhance the bonding force between the PBL self-locking plate 1 and the recycled concrete; the connecting rod 2 connects the two PBL self-locking plates 1 to make the shear connector of the present invention have good integrity, It can also increase the shear resistance range of the shear-resisting connecting piece of the present invention, and increase the shear-resisting bearing capacity between the shearing-resisting connecting piece and the recycled concrete; at the same time, the utility model has a simple structure and can improve the speed of on-site construction.

When the anti-shear connecting piece of the utility model for reducing the slippage of the recycled concrete and the profiled steel is used, it is sufficient to install a plurality of pairs of the anti-shearing joint piece of the present invention on the surface of the profiled steel. When installing, firstly fix the bottom plate 1-1 of the two PBL self-locking plates 1 to the surface of the profile steel, and then connect the connecting rod 2 to the two connecting plates 1-2 through the threaded hole 3.

The PBL self-locking plate of the utility model can reduce the slippage between the regenerated concrete and the regenerated concrete, can reduce the interface slip between the regenerated concrete and the regenerated concrete; The interfacial bonding force is good, so that the profile steel and recycled concrete can be better co-stressed to achieve deformation coordination; the structure is simple, the assembly is convenient, and the construction efficiency can be significantly improved.

Claims (6)

1. the PBL self-locking plate that reduces the slippage of recycled concrete and profiled steel, is characterized in that, comprises a base plate (1-1), and the base plate (1-1) is vertically fixed with a connecting plate (1-2) and two A sloped plate (1-3), one side of the sloped plate (1-3) is fixedly connected to one side of the connecting plate (1-2), and one side of the other sloped plate (1-3) is fixed. The side edge is fixedly connected with the other side edge of the connecting plate (1-2). 2. The PBL self-locking plate that reduces the slippage of recycled concrete and profiled steel according to claim 1, wherein the two inclined plates (1-3) are respectively inclined to different sides of the connecting plate (1-2), and the two inclined plates (1-3) are The included angle between each inclined plate (1-3) and the connecting plate (1-2) is not greater than the friction angle. 3. The shear connector that reduces the slippage of recycled concrete and profiled steel, is characterized in that, comprises two PBL self-locking plates (1) as claimed in claim 1 or 2 that are arranged oppositely, two described PBL self-locking plates (1) A connecting rod (2) is fixedly connected therebetween. 4. The shear connector for reducing the slippage of recycled concrete and profiled steel according to claim 3, wherein the PBL self-locking plate (1) comprises a bottom plate (1-1), and the bottom plate (1-1) ) is vertically fixed with a connecting plate (1-2) and two inclined plates (1-3), one side of the inclined plate (1-3) and one side of the connecting plate (1-2) For fixing, one side edge of the other inclined plate (1-3) is fixedly connected with the other side edge of the connecting plate (1-2). 5. The shear connector for reducing the slippage of recycled concrete and profile steel according to claim 3, wherein the two PBL self-locking plates (1) are provided with threaded holes (3), and the connecting The rod (2) is a threaded rod, and the connecting rod (2) is also provided with a nut, and the two PBL self-locking plates (1) and the connecting rod (2) are fixedly connected by threads. 6 . The shear connector for reducing the slippage of recycled concrete and profiled steel according to claim 3 , wherein through holes ( 4 ) are opened on both of the PBL self-locking plates ( 1 ). 7 .