CN211774810U - A profiled steel plate shear wall with steel trusses - Google Patents

Abstract

The utility model discloses a profiled sheet shear force wall of belted steel bar truss, including profiled sheet, steel bar truss, peg and concrete, the profiled sheet includes level and smooth section and wave form section, and two profiled sheet that the structure is the same are the crisscross coincide, and the wave form section of a profiled sheet is relative with the level and smooth section of another profiled sheet, is equipped with steel bar truss and concreting between two profiled sheets, and the peg is fixed on the profiled sheet. The construction method comprises the steps of prefabricating two profiled steel plates, and welding the steel bar truss on smooth sections of the two profiled steel plates; the two profiled steel plates are overlapped in a reverse staggered mode, and the two profiled steel plates are positioned by using the studs; pouring concrete between the two profiled steel sheets; and after the concrete is solidified for a period of time, fastening the toggle pins and fastening the two profiled steel plates.

Description

A profiled steel plate shear wall with steel trusses

technical field

The utility model relates to the technical field of shear walls, in particular to a profiled steel plate shear wall with a steel bar truss and a construction method thereof.

Background technique

Shear walls are also called seismic walls or structural walls. Shear walls can be divided into steel plate shear walls, reinforced concrete shear walls and reinforced block shear walls according to structural materials, of which reinforced concrete shear walls are the most commonly used. However, the reinforced concrete shear wall is self-heavy, and its self-weight load accounts for a large proportion of the entire house load. At the same time, due to the problems in the formwork engineering such as cracks in the formwork and rough surface of the formwork, quality problems such as honeycomb, pockmarked surface and holes in the concrete will eventually affect the quality of the project.

Utility model content

The purpose of the utility model is to overcome the deficiencies of the prior art and provide a profiled steel plate shear wall with a steel truss. The profiled steel plate is used as a template, which improves the pouring quality of concrete and facilitates construction and assembly.

The technical scheme of the utility model is as follows: a profiled steel plate shear wall with a steel truss, comprising a profiled steel plate, a steel truss, a stud and concrete, the profiled steel plate includes a smooth section and a corrugated section, and the two pieces have the same structure The profiled steel plates are staggered and superimposed in reverse, the corrugated section of one profiled steel plate is opposite to the smooth section of the other profiled steel plate, a steel truss is arranged between the two profiled steel plates and concrete is poured, and the studs are fixed on the profiled steel plate. superior. Among them, the smooth section and the corrugated section of the profiled steel plate can increase the structural rigidity, the steel truss can increase the stiffness and strength, the concrete can enhance the overall structural strength, and the studs connect the two profiled steel plates to increase the overall stability of the shear wall.

The cross-sectional shape of the wave segment is a trapezoid. The upper base of the trapezoid is located on the same plane as the smooth segment, and the lower base of the trapezoid is located at the convex part of the wave segment.

The protruding portion of the corrugated section is located between the two profiled steel plates. After the two profiled steel plates with the same structure are arranged in a reverse staggered manner, the notch of the wave section faces outwards, and the smaller the notch, the easier it is to be flattened.

The steel truss includes top steel bars, bottom steel bars and steel bars, and one top steel bar and two bottom steel bars are fixed by the steel bars to form a whole. The steel truss is in the shape of a triangular prism, the section is an isosceles triangle, and the stability is good.

The two bottom steel bars are welded on the profiled steel plate. The base of the triangle is located on the smooth section of one profiled steel plate, and the apex of the triangle is located on the smooth section of another profiled steel plate. The stiffness of the shear wall.

The two ends of the peg are respectively fixed to the smooth section of one profiled steel plate and the corrugated section of the other profiled steel plate. It can prevent the relative slippage of the two profiled steel plates, ensure the quality of the project, and improve the bearing capacity of the shear wall.

A construction method for a profiled steel plate shear wall with steel trusses, comprising the following steps:

(1) Prefabricate two profiled steel plates, and weld the steel bar truss on the smooth section of the two profiled steel plates;

(2) The two profiled steel plates are staggered and overlapped in reverse, and the two profiled steel plates are positioned with studs;

(3) Concrete is poured between two profiled steel plates;

(4) After the concrete is solidified for a period of time, the studs are welded and the two profiled steel plates are fastened.

Further, in step (1), two bottom steel bars are welded on the smooth section of the profiled steel plate, and steel bars are used to weld the bottom steel bars and the top steel bars to form a steel bar truss.

Further, in step (2), the head of the stud is fixed on the smooth section of a profiled steel plate, and the root is fixed on the corrugated section of another profiled steel plate, or the head of the stud is fixed on the corrugated section of a profiled steel plate, The root is on the smooth section of another profiled steel plate.

Further, in step (4), the concrete is solidified to a strength of at least 75%.

Compared with the prior art, the utility model has the following beneficial effects:

1. The shear wall of the present utility model can be poured concrete on site, or can be assembled and prefabricated in a factory for mass production, which is convenient for on-site installation and construction and improves efficiency.

2. The utility model adopts the synergistic design of profiled steel plate, steel truss and studs, and has high lateral stiffness and bearing capacity, good ductility and stable energy dissipation capacity.

3. As a part of the wall body, the profiled steel plate of the present invention can be used as a formwork at the same time during construction. It does not need to be dismantled after the construction is completed, and the process of erecting the formwork is omitted. Compared with ordinary formwork, the profiled steel plate as a formwork has a smoother surface, and there is no crack in the formwork, which can greatly reduce the quality problems such as honeycomb, pitted surface and voids in concrete engineering caused by the quality of the formwork. Due to the existence of the corrugated section of the profiled steel plate, compared with the shear wall of the same thickness, it reduces the amount of reinforced concrete and the weight of the wall, thereby reducing the weight of the house. The steel plate has the characteristics of high out-of-plane stiffness.

4. The steel truss of the present utility model enhances the inner and outer rigidity of the shear wall, and also increases its strength, thereby increasing the overall bearing capacity of the shear wall.

5. The stud of the present invention is used as a connecting piece for connecting the steel plate and the reinforced concrete reinforcement unit, which can prevent the relative slippage of the two and reduce the quality of the project. At the same time, connecting two profiled steel plates can increase the overall bearing capacity of the shear wall.

6. Compared with the traditional "ji"-shaped section, the trapezoidal wave section of the profiled steel plate of the present utility model has a smaller gap, which is easier to be smoothed by means of plastering, etc., without the need to lay another piece. The board is used to make the surface smooth, which is convenient for operation and saves the process.

Description of drawings

Figure 1 is a top view of a profiled steel plate shear wall with steel trusses.

Figure 2 is a front view of a profiled steel plate shear wall with reinforced trusses.

FIG. 3 is a schematic structural diagram of a profiled steel plate.

FIG. 4 is a schematic structural diagram of two profiled steel plates placed opposite each other.

Figure 5 is a schematic structural diagram of a steel bar truss.

FIG. 6 is a schematic cross-sectional view of a steel bar truss.

Among them, as shown in the figure, 1 is the profiled steel plate, 2 is the concrete, 3 is the steel bar truss, 4 is the top steel bar, 5 is the bottom steel bar, 6 is the steel bar, and 7 is the stud.

Detailed ways

The present utility model will be further described in detail below with reference to the examples, but the embodiments of the present utility model are not limited thereto.

Example

In this embodiment, a profiled steel plate shear wall with steel truss, as shown in Figures 1 and 2, includes a profiled steel plate 1, a steel truss 3, a stud 7 and a concrete 2. The profiled steel plate includes a smooth section and a In the corrugated section, two profiled steel plates with the same structure are overlapped in opposite directions. The corrugated section of one profiled steel plate is opposite to the smooth section of the other profiled steel plate. A steel truss is arranged between the two profiled steel plates and concrete is poured. The steel truss is fixed on the profiled steel plate, and the bolts are fixedly connected to the two profiled steel plates. The smooth section and the corrugated section of the profiled steel plate can increase the structural rigidity, the steel truss increases the stiffness and strength, the concrete can enhance the overall structural strength, and the studs connect the two profiled steel plates to increase the overall stability of the shear wall. The two ends of the stud are respectively fixed to the smooth section of one profiled steel plate and the corrugated section of the other profiled steel plate, which can prevent the relative slippage of the two profiled steel plates, ensure the quality of the project, and improve the bearing capacity of the shear wall.

As shown in Figure 3, the cross-sectional shape of the wave section is trapezoid, the upper bottom of the trapezoid and the smooth section are located on the same plane, the upper bottom of the trapezoid forms the notch of the corrugated section of the profiled steel plate, and the lower bottom of the trapezoid is located in the convex part of the wave section, In this embodiment, the upper base of the trapezoid is shorter than the lower base of the trapezoid. As shown in Figure 4, the protruding part of the corrugated section is located between the two profiled steel plates. After the two profiled steel plates with the same structure are arranged in a reverse staggered manner, the notches of the corrugated sections of the two profiled steel plates are facing outwards. , Compared with the traditional profiled steel plate, the notch of this trapezoidal section is smaller and easier to pave.

As shown in Figures 5 and 6, the steel bar truss includes a top steel bar 4, a bottom steel bar 5 and a steel bar 6, and one top steel bar and two bottom steel bars are fixed by the steel bars to form a whole. The steel truss is in the shape of a triangular prism, the section is an isosceles triangle, and the stability is good. Two bottom steel bars are welded to the profiled steel plate. The base of the triangle is located on the smooth section of one profiled steel plate, and the apex of the triangle is located on the smooth section of another profiled steel plate. Rigidity of shear walls.

A construction method for a profiled steel plate shear wall with steel trusses, comprising the following steps:

(1) Prefabricate two profiled steel plates, and weld the steel truss on the smooth section of the two profiled steel plates; specifically, first weld the two bottom steel bars on the smooth section of the profiled steel plates, and use the steel bars to weld the bottom steel bars and The top rebar forms a rebar truss.

(2) The two profiled steel plates are staggered and superimposed in reverse, and there is a steel truss between the two profiled steel plates, and the two profiled steel plates are positioned with studs; among them, the head of the stud is fixed on a profiled steel plate. Smooth section, the root is in the corrugated section of another profiled steel plate, or the head of the peg is fixed in the corrugated section of one profiled steel plate, and the root is in the smooth section of another profiled steel plate.

(3) Concrete is poured between two profiled steel plates. At this time, the profiled steel plate is used as a formwork for pouring and does not need to be removed to prevent quality problems in the concrete.

(4) Wait for the concrete to solidify for a period of time until the solidified strength of the concrete is at least 75% of the strength when the concrete is completely solidified, and then weld the studs tightly so that the studs fasten the two profiled steel plates.

As mentioned above, the present utility model can be better realized, and the above-mentioned embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of implementation of the present utility model; and modifications are all covered by the scope of protection required by the claims of the present invention.

Claims (6)

1. The utility model provides a profiled sheet shear force wall of belted steel bar truss, its characterized in that, includes profiled sheet, steel bar truss, peg and concrete, the profiled sheet includes smooth section and wave form section, and two profiled sheet that the structure is the same are the crisscross coincide in reverse, and the wave form section of a profiled sheet is relative with the smooth section of another profiled sheet, is equipped with the steel bar truss between two profiled sheets and pours the concrete, and the peg is fixed on the profiled sheet.

2. The profiled steel sheet shear wall with a steel bar truss according to claim 1, wherein the cross-sectional shape of the wave-shaped section is trapezoidal.

3. The profiled steel sheet shear wall with a steel bar truss according to claim 1, wherein the protruding part of the wave-shaped section is located between two profiled steel sheets.

4. A profiled steel sheet shear wall with steel trusses as claimed in claim 1, wherein the steel trusses comprise top steel bars, bottom steel bars and steel bars, and one top steel bar and two bottom steel bars are integrally fixed by two steel bars.

5. The profiled steel sheet shear wall with the steel bar truss as claimed in claim 4, wherein the two bottom steel bars are welded on the profiled steel sheet.

6. The profiled steel sheet shear wall with a steel bar truss according to claim 1, wherein the two ends of the stud are respectively fixed with a smooth section of one profiled steel sheet and a wave section of the other profiled steel sheet.

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