阅读说明：本技术 一种模块化装配式双钢板剪力墙 (Modular assembly type double-steel-plate shear wall ) 是由 姜子钦 刘澜涛 阎田 华兴尚 陈美琳 于 2021-08-26 设计创作，主要内容包括：本发明涉及一种模块化装配式双钢板剪力墙,属于结构工程领域。该双钢板剪力墙由两个边缘柱和一个整体式钢板剪力墙单元焊接形成。本发明基于提高剪力墙弹性剪切屈曲荷载及其抗剪承载力的理念,通过设置内加劲单元对外侧钢板进行屈曲约束,提高了双钢板剪力墙的承载能力与面外刚度。本发明中内加劲单元的加工和双钢板剪力墙的组装均可采用成熟的工艺,加工难度较传统双钢板剪力墙大大减小。(The invention relates to a modular assembly type double-steel-plate shear wall, and belongs to the field of structural engineering. The double-steel-plate shear wall is formed by welding two edge columns and an integral steel-plate shear wall unit. Based on the concept of improving the elastic shear buckling load and the shear-resisting bearing capacity of the shear wall, the buckling constraint of the outer steel plate is carried out by arranging the inner stiffening unit, so that the bearing capacity and the external rigidity of the double-steel-plate shear wall are improved. The processing of the internal stiffening unit and the assembly of the double-steel-plate shear wall can adopt mature processes, and the processing difficulty is greatly reduced compared with that of the traditional double-steel-plate shear wall.)

1. The utility model provides a two steel sheet shear force walls of modularization assembled which characterized in that: the double-layer steel plate shear wall consists of two edge columns and an integral steel plate shear wall unit; the integral steel plate shear wall unit consists of two outer steel plates and an inner stiffening unit; the inner stiffening unit consists of two stiffening flat plates and two horizontal corrugated steel plates vertical to the stiffening flat plates; in the structure, a horizontal wave-shaped steel plate is welded on a stiffening flat plate close to the outside, the stiffening flat plate is welded on an outer side steel plate, and the outer side steel plate is welded on an edge column close to the outside; drilling holes at the wave crest of the horizontal corrugated steel plate and the corresponding positions of the outer side steel plate, and connecting the outer side steel plate with the horizontal corrugated steel plate by using a single-side bolt; the edge column, the outer steel plate, the stiffening flat plate and the horizontal corrugated steel plate are equal in height.

2. The modular fabricated double steel plate shear wall of claim 1, wherein: the central line of the inner stiffening unit is aligned with the central line of the outer steel plate, the outer steel plate is a complete block, the width-thickness ratio among the cells is limited as follows, the width-thickness ratio of the outer steel plate between the stiffening flat plate and the edge column should be taken within the interval of [100,250], and the maximum width of the outer steel plate between the stiffening flat plate and the edge column should be less than 0.5 m; the width-thickness ratio of the outer side steel plate and the horizontal corrugated steel plate between the stiffening flat plates should be within the interval of [200,500], and the width-thickness ratio of the horizontal corrugated steel plate should be larger than that of the outer side steel plate between the stiffening flat plates.

3. The modular fabricated double steel plate shear wall of claim 1, wherein: the horizontal direction wave-shaped steel plate in the inner stiffening unit is in contact with the outer side steel plate at the wave crest, round holes or long round holes are formed in the outer side steel plate at the contact position and the horizontal direction wave-shaped steel plate, the longitudinal hole forming distance is one wavelength, and the transverse hole forming distance is 1.5 times of the wavelength.

4. The modular fabricated double steel plate shear wall of claim 1, wherein: the specific shape of the horizontal corrugated steel plate is a sine wave web, a triangular wave web, a trapezoidal wave web or a right-angle wave web; the wall body is in a shape of a straight steel plate shear wall, an L-shaped steel plate shear wall, a T-shaped steel plate shear wall, a Z-shaped steel plate shear wall or a cross-shaped steel plate shear wall.

Technical Field

The patent relates to a two steel sheet shear force walls of modularization assembled belongs to the structural engineering field.

Background

Along with the increasing height of buildings, horizontal load gradually replaces vertical load to become an important control factor in the design of high-rise buildings, and the traditional lateral force resisting member cannot meet the requirements of the high-rise buildings on energy consumption capacity and horizontal bearing capacity. The steel plate shear wall structure is a novel lateral force resistant structure system developed in the last 70 th century, and becomes a structure favored by many designers due to the extremely high bearing capacity, the stable energy consumption capacity and the good ductility.

However, the steel plate shear wall is easy to generate out-of-plane local buckling due to the large height-thickness ratio or width-thickness ratio, and the bearing capacity of the steel plate shear wall is affected. When the steel plate shear wall is sheared, a diagonal tensile stress band is formed, so that a column connected with the corner of the steel plate shear wall bears the action of additional axial force and bending moment, and the column becomes a weak part. Therefore, related researches find that the double-layer steel plate can effectively reduce the axial compression ratio, control the thickness of the shear wall and avoid using an ultra-thick steel plate, so that the wall has higher lateral stiffness, higher ultimate bearing capacity, good ductility and energy consumption capability and wide application prospect.

At present, the existing double-steel-plate shear wall uses stiffening plates as connecting members, and uses a planar steel bar truss as the connecting member to tie two outer steel plates. The two double-steel-plate shear walls need to be welded with connecting components on two whole outer steel plates, and are very difficult to process.

In order to solve the defects of the double-steel-plate shear walls, the modularized assembly type double-steel-plate shear wall is provided based on the idea of improving the elastic shear buckling load and the shear bearing capacity of the double-steel-plate shear wall. The double-steel-plate shear wall adopts the inner stiffening units as connecting members, and generates point, linear and planar constraint effects on the outer steel plates through the interaction among bolt connection, welding and the steel plates, so that the buckling deformation of the outer steel plates is well controlled. Meanwhile, the machining of the double-steel-plate shear wall can be realized only by conventionally welding fewer welding seams between the outer steel plate and the inner stiffening unit, and the machining difficulty of the component is greatly reduced.

Disclosure of Invention

The invention provides a modular assembly type double-steel-plate shear wall, and belongs to the field of structural engineering. The buckling restrained effect of connecting members on outer steel plates in the existing double-layer steel plate shear walls is improved, the performance of the double-steel plate shear walls is improved, the problem that the machining and manufacturing difficulty of the double-steel plate shear walls is high is solved, and the aims of reducing the machining difficulty of the double-steel plate shear walls, reducing labor cost and mechanical cost and facilitating assembly are achieved.

In order to achieve the purpose, the invention adopts the following technical means:

the utility model provides a two steel sheet shear force walls of modularization assembled which characterized in that: the double-layer steel plate shear wall consists of two edge columns and an integral steel plate shear wall unit; the integral steel plate shear wall unit consists of two outer steel plates and an inner stiffening unit; the inner stiffening unit consists of two stiffening flat plates and two horizontal corrugated steel plates vertical to the stiffening flat plates; in the structure, a horizontal wave-shaped steel plate is welded on a stiffening flat plate close to the outside, the stiffening flat plate is welded on an outer side steel plate, and the outer side steel plate is welded on an edge column close to the outside; drilling holes at the wave crest of the horizontal corrugated steel plate and the corresponding positions of the outer side steel plate, and connecting the outer side steel plate with the horizontal corrugated steel plate by using a single-side bolt; the edge column, the outer steel plate, the stiffening flat plate and the horizontal corrugated steel plate are equal in height.

The central line of the inner stiffening unit is aligned with the central line of the outer steel plate, the outer steel plate is a complete block, the width-thickness ratio among the cells is limited as follows, the width-thickness ratio of the outer steel plate between the stiffening flat plate and the edge column should be taken within the interval of [100,250], and meanwhile, the maximum width of the outer steel plate between the stiffening flat plate and the edge column should be less than 0.5 m; the width-thickness ratio of the outer side steel plate and the horizontal corrugated steel plate between the stiffening flat plates should be within the interval of [200,500], and simultaneously, the width-thickness ratio of the horizontal corrugated steel plate should be larger than that of the outer side steel plate between the stiffening flat plates.

The horizontal direction wave-shaped steel plate in the inner stiffening unit is in contact with the outer side steel plate at the wave crest, round holes or long round holes are formed in the outer side steel plate at the contact position and the horizontal direction wave-shaped steel plate, the longitudinal hole forming distance is one wavelength, and the transverse hole forming distance is 1.5 times of the wavelength.

The specific shape of the horizontal corrugated steel plate is a sine wave web, a triangular wave web, a trapezoidal wave web or a right-angle wave web; the wall body is in a shape of a straight steel plate shear wall, an L-shaped steel plate shear wall, a T-shaped steel plate shear wall, a Z-shaped steel plate shear wall or a cross-shaped steel plate shear wall.

The advantages of the patent are mainly shown in the following aspects:

1. based on the idea of improving the elastic shear buckling load of the outer steel plates and the shear bearing capacity of the outer steel plates, the inner stiffening unit is arranged to connect the two outer steel plates; the stiffening flat plate in the inner stiffening unit is welded with the outer steel plate, the corrugated steel plate and the outer steel plate are mutually extruded, and the two effects have linear and planar constraint effects on the outer steel plate; in addition, the corrugated steel plate is connected with the outer steel plate through the unilateral bolt, and the effect of point-shaped constraint is achieved on the outer steel plate.

2. Axial force in the steel plate is mainly born by the edge columns, so that the shearing resistance bearing capacity of the outer steel plate is improved; the corrugated steel plate has the advantages of large lateral rigidity and large surface external rigidity, on one hand, the corrugated steel plate can directly participate in bearing lateral loads, on the other hand, the corrugated steel plate has large external rigidity and has a strong inhibiting effect on the external buckling deformation of the external steel plate, and the shear-resistant bearing capacity of the double-steel-plate shear wall is improved by the aid of the two points.

3. The method has the advantages of component processing. The internal stiffening unit in the patent has mature technological means and can be welded and processed in a factory; the assembly of the double-steel-plate shear wall can be completed only by welding 4 welding seams at the joint of the stiffening flat plate and the outer steel plate, and the processing difficulty is far less than that of a flat plate stiffening double-steel-plate shear wall or a truss stiffening double-steel-plate shear wall; the quality and the bearing performance of the double-steel-plate shear wall are ensured at the same time with smaller processing difficulty.

Drawings

FIG. 1 is an overall view of a modular fabricated double-deck steel plate shear wall;

FIG. 2 is a disassembled view of a modular assembly type double-layer steel plate shear wall;

FIG. 3 is a diagram of an internal stiffening unit of a modular fabricated double-deck steel plate shear wall;

FIG. 4 is a top view of a modular fabricated double-deck steel plate shear wall;

FIG. 5 is a cross-sectional view of a modular fabricated double-deck steel plate shear wall;

FIG. 6 is a diagram of various arrangements of a modular fabricated double-deck steel plate shear wall;

FIG. 7 is a diagram of various types of corrugated webs of a modular fabricated double-deck steel plate shear wall.

Detailed Description

Embodiments of the present patent are described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 7, a modular assembly type double-steel-plate shear wall includes the following components.

1-edge column;

2-outer steel plate;

3-horizontal wave-shaped steel plate;

4-stiffening flat plate;

5-single-side bolt;

6-internal stiffening unit;

7-integral steel plate shear wall unit.

As shown in figures 1-5, the steel plate shear wall is formed by welding two edge columns (1) and an integral steel plate shear wall unit (7). The integral steel plate shear wall unit (7) consists of two outer steel plates (2) and an inner stiffening unit (6); the inner stiffening unit (6) consists of two horizontal corrugated steel plates (3) and two stiffening flat plates (4); the horizontal corrugated steel plate (3) is vertically welded on the stiffening flat plate (4) close to the outside, then the stiffening flat plate (4) is welded on the outer side steel plate (2), and the center line of the inner stiffening unit (6) is ensured to be superposed with the center line of the outer side steel plate (2); then welding the outer steel plate (2) on the edge column (1) close to the outside; and finally, installing a unilateral bolt (5) on the outer steel plate (2) to form the modular assembly type double-steel-plate shear wall.

As shown in fig. 6 and 7, the specific shape of the corrugated steel plate is a sine wave corrugated web, a triangular corrugated web, a trapezoidal corrugated web or a right-angle corrugated web; the wall body is in a shape of a straight double-layer steel plate shear wall, an L-shaped double-layer steel plate shear wall, a T-shaped double-layer steel plate shear wall, a Z-shaped double-layer steel plate shear wall or a cross double-layer steel plate shear wall.