CN201459953U - A double-layer steel plate thermal insulation combined shear wall - Google Patents

Abstract

The utility model relates to a double-layer steel plate thermal insulation composite shear wall, which belongs to the construction field, and comprises steel plates, vertical stiffening ribs, thermal insulation layers, inner concrete layers, outer concrete layers, shear studs, positioning pieces, and horizontally distributed steel bars and vertical distribution of reinforcement. The steel plates are connected as a whole by vertical stiffeners, the positioning parts are welded on the vertical stiffeners, the insulation layer is fixed between the positioning parts, the inner concrete layer is poured between the insulation layer and the steel plates, and the outer side of the steel plates is welded with shear studs. Bind the horizontally distributed steel bars and vertically distributed steel bars, and pour the outer concrete layer. The utility model is used in high-rise and super-high-rise structures that have higher requirements for anti-seismic fortification and load-bearing wall heat preservation. The utility model has the advantages of simple structure, convenient construction, low requirements on thermal insulation materials, solves the thermal insulation problem of high-rise and super high-rise structure shear walls, and has outstanding advantages compared with traditional external wall thermal insulation and external wall internal thermal insulation systems.

Description

A double-layer steel plate thermal insulation combined shear wall

technical field

The utility model belongs to the field of construction and relates to the thermal insulation technology of high-rise and super high-rise structure shear walls.

Background technique

Since the widely used external wall insulation technology has the disadvantages of short service life, troublesome construction and easy cracking, the external wall sandwich insulation technology has the advantages of the same life span as the insulation layer and the structure, low requirements for the insulation layer, and not easy to crack. But how to solve the sandwich insulation technology of high-rise and super high-rise shear walls is a difficult point. At present, it is more used to embed the insulation layer in the middle of the reinforced concrete shear wall. Yes, if used in high-rise or super high-rise structures, the seismic performance may not meet the requirements.

The combined steel plate shear wall is a new structural system, which has the following advantages: the wall thickness of the structure is reduced, that is, the usable area of the structure is increased; the self-weight of the structure is reduced, and the foundation load and earthquake action are reduced at the same time; It has good ductility and can withstand large deformations; it has good seismic performance and has withstood the test of actual earthquakes and performed well.

Contents of the invention

In order to better solve the thermal insulation problem of high-rise and super high-rise structure shear walls, the utility model provides a double-layer steel plate thermal insulation combined shear wall. The double-layer steel thermal insulation composite shear wall not only has good thermal insulation performance, but also requires Low and good seismic performance, it can meet the seismic fortification requirements of high-rise or super high-rise structures.

The technical solution adopted by the utility model to solve the technical problem is: a double-layer steel plate thermal insulation composite shear wall, which includes steel plates, vertical stiffeners, thermal insulation layers, inner concrete layers, outer concrete layers, shear studs, Positioning parts, horizontally distributed steel bars and vertically distributed steel bars, the steel plates are connected as a whole by vertical stiffeners, the vertical stiffeners are welded with positioning parts, the insulation layer is fixed between the positioning parts, and the inner side is poured between the insulation layer and the steel plates For the concrete layer, the outer side of the steel plate is welded with shear studs, the horizontally distributed steel bars and the vertically distributed steel bars are bound, and the outer concrete layer is poured.

The thickness of the steel plate is 5-50mm.

The vertical stiffener is a rectangular steel plate whose height is the same as that of the double-layer steel plate insulation combined shear wall.

The positioning part is a rectangular steel plate with the same height as the double-layer steel plate thermal insulation composite shear wall, and its width is 50mm-300mm.

The insulation layer can be self-extinguishing polystyrene board, extruded polystyrene board, foam glass and semi-rigid mineral wool board.

Due to the adoption of the above technical solutions, the utility model has the following beneficial effects:

1. The double-layer steel plate composite shear wall has good seismic performance, increases the use area of the structure, reduces the self-weight of the structure, and is easy for technicians to understand and master when applying it, and is easy to operate.

2. There are cast-in-place concrete layers on both sides of the steel plate, which can well restrain the steel plate and prevent the steel plate from buckling, and there is no need to set a fireproof layer on the outside of the steel plate, realizing the advantageous combination of steel plate and concrete.

3. The insulation layer is embedded between the steel plates, which can protect the insulation layer, has low requirements for insulation materials, avoids cracking of the insulation layer, and is maintenance-free.

4. The factory has a high degree of prefabrication, convenient construction and reliable force transmission, realizing the integrated design of earthquake resistance and thermal insulation of high-rise and super high-rise shear walls.

Description of drawings

Accompanying drawing is the structural representation of the utility model embodiment.

Reference signs: 1-steel plate; 2-vertical stiffener; 3-insulation layer; 4-inner concrete layer; 5-outer concrete layer; 6-shear studs; 9- Vertical distribution of reinforcement

Detailed ways

The utility model will be further described below in conjunction with the embodiment shown in the accompanying drawings:

As shown in the drawings, the utility model includes a steel plate 1, a vertical stiffener 2, an insulation layer 3, an inner concrete layer 4, an outer concrete layer 5, a shear stud 6, a positioning piece 7, horizontally distributed steel bars 8 and vertical Distribution of reinforcement 9.

The steel plates 1 are connected as a whole by vertical stiffeners 2, the positioning pieces 7 are welded on the vertical stiffeners 2, the insulation layer 3 is fixed between the positioning pieces 7, and the inner concrete is poured between the insulation layer 3 and the steel plate 1 Layer 4, the outer side of the steel plate 1 is welded with shear studs 6, the horizontally distributed steel bars 8 and the vertically distributed steel bars 9 are bound, and the outer concrete layer 5 is poured.

The thickness of the steel plate 1 is 5mm-50mm.

The vertical stiffener 2 is a rectangular steel plate, the height of which is the same as that of the double-layer steel plate thermal insulation composite shear wall, and its thickness is 5 mm to 30 mm. Its main function is to connect the steel plate 1 into a whole.

The positioning piece 7 is a rectangular steel plate with the same height as the double-layer steel plate insulation composite shear wall, and its width is 50mm to 300mm. The purpose is to fix the insulation layer 3 between the positioning pieces 7, so that the insulation layer 3 and An inner concrete layer 4 is poured between the steel plates 1 .

The thermal insulation layer 3 can be self-extinguishing polystyrene board, extruded polystyrene board, foam glass and semi-rigid mineral wool board.

Both the inner concrete layer 4 and the outer concrete layer 5 are cast-in-situ concrete layers.

The shear stud 6 is a cylindrical stud commonly used in construction, one end of which is welded with the steel plate 1, and the other end is cast together with the outer concrete layer 5.

The horizontally distributed reinforcing bars 8 and vertically distributed reinforcing bars 9 are bound into a reinforced mesh, and finally cast together with the outer concrete layer 5 .

During construction, steel plates 1, vertical stiffeners 2, insulation layers 3, shear studs 6 and positioning parts 7 can all be prefabricated and assembled in the factory. Hoisting and installation, tying horizontally distributed steel bars 8 and vertically distributed steel bars 9, supporting formwork, and finally pouring the inner concrete layer 4 and the outer concrete layer 5.

The utility model is mainly used to solve the heat preservation problem of the high-rise or super high-rise structure shear wall, and realizes the integrated design of the shear wall's excellent anti-seismic ability and heat preservation ability.

Claims (4)

1. A double-layer steel plate thermal insulation composite shear wall, it comprises steel plate (1), vertical stiffener (2), insulation layer (3), inner concrete layer (4), outer concrete layer (5), shear resistance The peg (6), the positioning piece (7), the horizontally distributed steel bar (8) and the vertically distributed steel bar (9), are characterized in that: the steel plates (1) are connected by vertical stiffeners (2) to form a As a whole, the vertical stiffeners (2) are welded with positioning pieces (7), the insulation layer (3) is fixed between the positioning pieces (7), and the inner concrete layer (4) is poured between the insulation layer (3) and the steel plate (1). ), the outer side of the steel plate (1) is welded with shear studs (6), the horizontally distributed reinforcing bars (8) and the vertically distributed reinforcing bars (9) are bound, and the outer concrete layer (5) is poured. 2. A double-layer steel plate thermal insulation combined shear wall according to claim 1, characterized in that: the thickness of the steel plate (1) is 5-50mm. 3. A kind of double-layer steel plate thermal insulation composite shear wall according to claim 1, characterized in that: said vertical stiffener (2) is a rectangular steel plate, the height of which is the same as that of the double-layer steel thermal insulation composite shear wall. The wall is the same. 4. A kind of double-layer steel plate thermal insulation composite shear wall according to claim 1, characterized in that: said positioning member (7) is a rectangular steel plate with the same height as the double-layer steel thermal insulation composite shear wall, Its width is 50mm-300mm.

Images