阅读说明：本技术 一种震后可快速恢复功能的组合剪力墙及由其组成的墙体 (Combined shear wall capable of quickly recovering function after earthquake and wall body composed of combined shear wall ) 是由 王维 王星星 费浩杰 于 2020-04-27 设计创作，主要内容包括：本发明公开了一种震后可快速恢复功能的组合剪力墙,组合剪力墙由内部墙元以及位于内部墙元两端的端部墙元组成,端部墙元与内部墙元通过箱型连接件固定连接；内部墙元和端部墙元均包括轻钢龙骨骨架和墙板,轻钢龙骨骨架由C型轻钢龙骨柱和U型轻钢龙骨梁围合而成,墙板布置在轻钢龙骨骨架两侧并；每个组合剪力墙的两个端部均设有钢管混凝土柱,端部墙元的轻钢龙骨骨架设置在钢管混凝土柱的侧边并通过螺栓将C型轻钢龙骨柱与钢管混凝土柱固定连接；组合剪力墙还包括两条相互交叉设置的拉杆,拉杆的一端与组合剪力墙一侧的钢管混凝土柱固定连接,拉杆在穿过该组合剪力墙的端部墙元和内部墙元后与组合剪力墙另一侧的钢管混凝土柱固定连接。(The invention discloses a combined shear wall capable of quickly recovering functions after an earthquake, which consists of an inner wall element and end wall elements positioned at two ends of the inner wall element, wherein the end wall elements are fixedly connected with the inner wall element through box-type connecting pieces; the inner wall element and the end wall element comprise light steel keel frameworks and wallboards, the light steel keel frameworks are formed by enclosing C-shaped light steel keel columns and U-shaped light steel keel beams, and the wallboards are arranged on two sides of the light steel keel frameworks; the two end parts of each combined shear wall are provided with a steel tube concrete column, and a light steel keel framework of the end wall element is arranged on the side edge of the steel tube concrete column and fixedly connected with the C-shaped light steel keel column and the steel tube concrete column through bolts; the combined shear wall also comprises two pull rods which are arranged in a cross mode, one end of each pull rod is fixedly connected with the concrete-filled steel tube column on one side of the combined shear wall, and the pull rods penetrate through the end wall elements and the inner wall elements of the combined shear wall and then are fixedly connected with the concrete-filled steel tube column on the other side of the combined shear wall.)

1. The utility model provides a but after shake combined shear wall of quick recovery function which characterized in that: the combined shear wall consists of an inner wall element and end wall elements positioned at two ends of the inner wall element, and the end wall elements are fixedly connected with the inner wall element through box-type connecting pieces; the interior wall element and the end wall element comprise light steel keel frameworks and wallboards, the light steel keel frameworks are formed by enclosing C-shaped light steel keel columns and U-shaped light steel keel beams, and the wallboards are arranged on two sides of the light steel keel frameworks and are fixedly connected with the light steel keel frameworks through self-tapping screws; the two end parts of each combined shear wall are provided with a steel tube concrete column, and a light steel keel framework of the end wall element is arranged on the side edge of the steel tube concrete column and fixedly connected with the C-shaped light steel keel column and the steel tube concrete column through bolts; the combined shear wall also comprises two pull rods which are arranged in a cross mode, one end of each pull rod is fixedly connected with a column connecting piece on the steel tube concrete column on one side of the combined shear wall, and the pull rods penetrate through the end wall elements and the inner wall elements of the combined shear wall and are fixedly connected with the column connecting pieces on the steel tube concrete column on the other side of the combined shear wall.

2. The wall spliced by the combined shear wall capable of quickly recovering functions after an earthquake as claimed in claim 1, is characterized in that: the wall body is formed by splicing a plurality of combined shear walls, the combined shear walls which are transversely adjacent are fixedly connected through a steel tube concrete column, a floor slab is arranged between the combined shear walls which are longitudinally adjacent, the steel tube concrete column is fixedly connected with the floor slab through a column connecting piece, and an internal wall element in each combined shear wall is fixedly connected with the floor slab through a wall element pulling-resistant piece.

3. The composite shear wall capable of rapidly recovering function after earthquake as claimed in claim 1, wherein: the column connecting piece is formed by connecting an L-shaped steel plate, a straight-line-shaped steel plate, a T-shaped steel plate, a straight-line-shaped steel plate and the L-shaped steel plate through bolts in sequence; one side of the L-shaped steel plate of the column connecting piece is fixed on the steel tube concrete column through a bolt, and the T-shaped steel plate of the column connecting piece is fixedly connected with the floor through a bolt.

4. The composite shear wall capable of rapidly recovering function after earthquake as claimed in claim 1, wherein: the box-type connecting piece is formed by encircling a U-shaped light steel keel and a C-shaped light steel keel through self-tapping screws; and two sides of the box-type connecting piece are respectively fixedly connected with the C-shaped light steel keel column of the inner wall element and the C-shaped light steel keel column of the end wall element through bolts.

5. The composite shear wall capable of rapidly recovering function after earthquake as claimed in claim 1, wherein: the pull rod consists of an end rod, a middle rod and a fastener; the end part rod and the middle rod are fixedly connected through a fastener, wherein one end of the end part rod is a connecting part with a bolt hole, the other end of the end part rod is a connecting part with external threads, the two ends of the middle rod are both provided with external thread connecting parts, and the two ends of the fastener are both provided with internal thread holes; the connecting part with the external thread on the end rod is connected with the fastening piece in a mutually matched mode through the internal thread and the external thread, and the connecting part with the external thread on the middle rod is connected with the fastening piece in a mutually matched mode through the internal thread and the external thread.

6. The composite shear wall capable of rapidly recovering function after earthquake as claimed in claim 1, wherein: the four corners department of the interior wall element in every combination shear wall all is equipped with wall element resistance to plucking piece, and the bolt hole on the wall element drawing piece lateral wall passes through bolt and inside wall element's C type light gauge steel post fixed connection, and the bolt hole of wall element drawing piece bottom passes through bolt and floor fixed connection.

7. The composite shear wall capable of rapidly recovering function after earthquake as claimed in claim 1, wherein: the light steel keel framework of the end wall element in each combined shear wall is internally provided with a stiffening cross brace and a stiffening inclined brace, the diagonal positions of the light steel keel framework are also provided with steel plate structures, and the steel plate structures are fixedly connected with the light steel keel framework of the end wall element through self-tapping screws.

8. The composite shear wall capable of rapidly recovering function after earthquake as claimed in claim 1, wherein: the center of the concrete filled steel tubular column is provided with a prestressed tendon pipeline, and the prestressed tendon passes through the prestressed tendon pipeline.

9. The composite shear wall capable of rapidly recovering function after earthquake according to claim 8, wherein: the side length of the section of the steel tube concrete column is not less than the thickness of the end wall element.

Technical Field

The invention relates to a combined shear wall capable of quickly recovering functions after an earthquake, and also relates to a wall body spliced by the combined shear wall, belonging to the technical field of building structures.

Background

China is one of the countries with frequent earthquakes, so that the application of the energy-saving, environment-friendly and repairable light steel residential structure to house construction is of great significance. The light steel keel combined wall is a main bearing and shearing-resistant component of the existing light steel residential structure, and the shearing resistance of the light steel keel combined wall is mainly provided by a self-tapping screw connector for connecting a wallboard and a light steel keel framework. Under the action of earthquake load, the self-tapping screw connecting piece is always subjected to unrecoverable plate pressure-bearing deformation, and the lateral rigidity and the bearing capacity of the structure are obviously reduced by the integral rotational deformation of each layer of wall body caused by the deformation of the anti-pulling anchor bolts of the upper and lower layer combined wall bodies, so that the service function of the light steel residential structure after the earthquake is very easy to recover or the recovery cost is very high.

Disclosure of Invention

The purpose of the invention is as follows: the technical problem to be solved by the invention is to provide a combined shear wall capable of quickly recovering functions after earthquake, wherein an inner wall element of the combined shear wall is connected with an end wall element through a box-type connecting piece, so that the combined shear wall is not only favorable for repairing and replacing after earthquake, but also capable of deforming during earthquake due to the elastic connection of the box-type connecting piece, thereby dissipating earthquake energy and having good earthquake resistance.

The technical problem to be solved by the present invention is to provide a wall body spliced by the combined shear wall capable of quickly recovering the function after earthquake, wherein the wall body can be applied to the light steel residential structure, so as to improve the earthquake resistance of the light steel residential structure, and simultaneously, the use function of the light steel residential structure can be quickly recovered after earthquake.

Drawings

FIG. 1 is a schematic plan view of a composite shear wall of the present invention;

FIG. 2 is a schematic view of the connection of a concrete filled steel tube column with a C-shaped light steel joist column of an end wall element in a composite shear wall according to the present invention;

FIG. 3 is a schematic view of the connection of a concrete filled steel tube column to an end wall element in the composite shear wall of the present invention;

FIG. 4 is a schematic structural view of a composite shear wall of the present invention after a concrete-filled steel tube column is assembled with an end wall element;

FIG. 5 is a schematic view of the assembly of wall panels of an interior wall element of the composite shear wall of the present invention;

FIG. 6 is a schematic view of the assembled shear wall of the present invention after the interior wall elements are assembled;

FIG. 7 is an exploded view of a post-type connector;

FIG. 8 is a schematic view of the construction of the box connector;

FIG. 9 is a schematic structural view of a strut;

FIG. 10 is a schematic view of the construction of the end bar of the strut;

FIG. 11 is a schematic view of the structure of the middle bar of the bar;

FIG. 12 is a schematic view of the structure of the fastener in the post;

FIG. 13 is a schematic structural view of a wall element pulling-resistant member;

FIG. 14 is a schematic view of the construction of a composite shear wall of the present invention without wall panels;

fig. 15 is a schematic view of the connection between adjacent composite shear walls and a floor slab when the composite shear walls are spliced into a wall body according to the present invention.

Detailed Description

The technical solution of the present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 15, the combined shear wall 100 of the present invention capable of rapidly recovering function after earthquake comprises an inner wall element 6 and end wall elements 5 located at two ends of the inner wall element 6, wherein the end wall elements 5 are fixedly connected with the inner wall element 6 through box-type connecting members 18; the internal wall element 6 and the end wall element 5 both comprise light steel keel frameworks (16, 7) and wallboards 8, the light steel keel framework 16 of the internal wall element 6 is formed by fixing and enclosing a C-shaped light steel keel column 10 and a U-shaped light steel keel beam 11 through self-tapping screws, the end wall element 5 is also formed by fixing and enclosing a C-shaped light steel keel column 10 and a U-shaped light steel keel beam 11 through self-tapping screws, a stiffening cross brace 12 and a stiffening inclined brace 13 are further arranged in the light steel keel framework 7 of the end wall element 5, a steel plate structure 14 is further arranged at a diagonal position of the light steel keel framework 7, the steel plate structure 14 is fixedly connected with the light steel keel framework 7 through self-tapping screws 15 (the end wall element 5 and the internal wall element 6 in the combined shear wall 100 adopt the C-shaped light steel keel column 10 and the U-shaped light steel keel beam 11 with the same cross-section specification), the wallboards 8 are arranged at two sides of the light steel keels (16, 7) and are connected with the light steel keel frameworks (16, 7) fixedly connecting; the two end parts of the combined shear wall 100 are provided with steel tube concrete columns 1, the light steel keel frameworks 7 of the end part wall elements 5 are arranged on the side edges of the steel tube concrete columns 1, and the C-shaped light steel keel columns 10 of the light steel keel frameworks 7 are fixedly connected with the steel tube concrete columns 1 through bolts; the combined shear wall 100 further comprises two pull rods 19 which are arranged in a cross mode, one end of each pull rod 19 is fixedly connected with a column connecting piece 17 on the concrete-filled steel tube column 1 on one side of the combined shear wall 100, and the pull rods 19 penetrate through the end wall elements 5 and the inner wall elements 6 of the combined shear wall 100 and then are fixedly connected with the column connecting pieces 17 on the concrete-filled steel tube column 1 on the other side of the combined shear wall 100.

The wall body spliced by the combined shear walls 100 with the function of quickly recovering after an earthquake is formed by splicing a plurality of combined shear walls 100, the transversely adjacent combined shear walls 100 are spliced and fixedly connected through the steel pipe concrete columns 1, the floor slabs 30 are arranged between the longitudinally adjacent combined shear walls 100, the steel pipe concrete columns 1 are fixedly connected with the floor slabs 30 through column connecting pieces 17, and the inner wall elements 6 in the combined shear walls 100 are fixedly connected with the floor slabs 30 through wall element pulling-resistant pieces 20.

Wherein, the column connecting piece 17 is formed by connecting an L-shaped steel plate 21, a straight-line-shaped steel plate 22, a T-shaped steel plate 23, the straight-line-shaped steel plate 22 and the L-shaped steel plate 21 through bolts in sequence; one side of the L-shaped steel plate 21 of the column connecting piece 17 is fixed on the steel pipe concrete column 1 through a bolt 24, and the T-shaped steel plate 23 of the column connecting piece 17 is fixedly connected with the floor 30 through a bolt. The box-type connecting piece 18 is formed by enclosing a U-shaped light steel keel 25 and a C-shaped light steel keel 26 through self-tapping screws 15; two sides of the box-shaped connecting piece 18 are respectively fixedly connected with the C-shaped light steel keel column 10 of the inner wall element 6 and the C-shaped light steel keel column 10 of the end wall element 5 through bolts 24. The web height of the U-shaped light steel keel 25 and the C-shaped light steel keel 26 is not more than that of the C-shaped light steel keel column 10, the length of each box-type connecting piece 18 is not less than 150mm, and the distance between every two adjacent box-type connecting pieces 18 is not more than 200 mm.

The tie rod 19 is composed of an end rod 27, an intermediate rod 28 and a fastener 29; the end rod 27 and the middle rod 28 are fixedly connected through a fastener 29, wherein one end of the end rod 27 is a connecting portion 33 with a bolt hole, one end of the end rod is a connecting portion 34 with external threads, both ends of the middle rod 28 are provided with external thread connecting portions 35, and both ends of the fastener 29 are provided with internal thread holes 36. The connecting portion 34 with external threads of the end portion rod 27 is connected with the fastening member 29 in a matched mode through internal threads and external threads, the connecting portion 35 with external threads of the middle rod 28 is connected with the fastening member 29 in a matched mode through internal threads and external threads, and the connecting portion 33 with bolt holes of the end portion rod 27 is fixedly connected with the T-shaped steel plate 23 (the T-shaped steel plate 23 is provided with strip-shaped bolt holes) of the column connecting piece 17 through bolts. The pull rod 19 is provided with a fastener 29 capable of adjusting the stress state of the pull rod 19 at the joint of the end wall element 5 and the inner wall element 6 so as to realize the repairability of the pulling action of the pull rod 19.

Wherein, the four corners department of inside wall element 6 in every combination shear wall 100 all is equipped with wall element resistance to plucking piece 20, and the bolt hole that the wall element was drawn on 20 lateral walls passes through bolt 24 and inside wall element 6's C type light steel keel post 10 fixed connection, and the bolt hole that the wall element was drawn 20 bottom passes through bolt 24 and floor 30 fixed connection, and wall element resistance to plucking piece 20's steel sheet thickness is not less than 4 mm. The light steel keel framework 7 of the end wall element 5 in each combined shear wall 100 is internally provided with a stiffening cross brace 12 and a stiffening inclined brace 13, the opposite angle of the light steel keel framework 7 is also provided with a steel plate structure 14, and the steel plate structure 14 is fixedly connected with the light steel keel framework 7 through a self-tapping screw 15.

The center of the steel pipe concrete column 1 of the combined shear wall is provided with a prestressed tendon pipeline 31, and a prestressed tendon 32 passes through the prestressed tendon pipeline and then is tensioned and anchored so as to improve the self-recovery property of the light steel combined wall. The construction method of the steel pipe concrete column 1 comprises the following steps: the prestressed tendon pipeline 31 is erected in the steel pipe column through a pedestal in a factory, fine aggregate concrete is poured into the steel pipe column after the two ends of the prestressed tendon pipeline 31 are temporarily fixed, and finally, fixing devices at the two ends of the prestressed tendon pipeline 31 are dismantled to form the steel pipe concrete column 1. The side length of the section of the steel tube concrete column 1 is not less than the thickness of the end wall element 5.

The method for assembling the combined shear wall 100 into the wall body comprises the following steps: the first step is as follows: arranging the steel pipe concrete columns 1 at two ends of the combined shear wall 100, and connecting the steel pipe concrete columns 1 with adjacent floor slabs 30 into a whole through column connecting pieces 17; secondly, arranging a light steel keel framework 7 of the end wall element 5 on the side surface of the steel tube concrete column 1, and fixedly connecting the steel tube concrete column l with a C-shaped light steel keel column 10 through a pre-embedded bolt 4; thirdly, connecting the end part wall element 5 and the C-shaped light steel keel column 10 of the inner wall element 6 into a whole through bolts 24 by using box-type connecting pieces 18, and connecting the upper end and the lower end of the inner wall element 6 with adjacent floor slabs 30 by using wall element pulling-resistant pieces 20; fourthly, the middle rod 28 of the pull rod 19 penetrates through a preformed hole 9 on the C-shaped light steel keel column 10 of the middle wall element 6, then a fastener 29 is installed inside the light steel keel framework 16 of the middle wall element 6, the end rod 27 of the pull rod 19 penetrates through the preformed hole 9 on the C-shaped light steel keel column 10 of the end wall element 5 and extends into the light steel keel framework 7, one end of the end rod 27 is screwed into the fastener 29, and the other end of the end rod 27 is connected with a column connecting piece 17 fixedly connected with the corresponding steel pipe concrete column 1 through a bolt 24 so as to be pulled and knotted into a whole; fifthly, installing wallboards 8 on two sides of the light steel keel frameworks (7, 16) through self-tapping screws 15; and sixthly, penetrating a prestressed tendon 32 in a prestressed tendon pipeline 31 reserved in the steel pipe concrete column 1, and tensioning and anchoring.

In the first step, the process of connecting the concrete filled steel tubular column 1 with the adjacent floor slab 30 by the column connecting piece 17 is as follows: fixedly connecting the flange of the T-shaped steel plate 23 with the adjacent floor slab 30 through a bolt 24, and then sequentially placing an L-shaped steel plate 21 and a straight-line-shaped steel plate 22 on two sides of a web plate of the T-shaped steel plate 23, wherein the straight-line-shaped steel plate 22 is positioned between the web plate of the T-shaped steel plate 23 and the L-shaped steel plate 21; after one side of the L-shaped steel plate 21 is fixedly connected with the concrete-filled steel tubular column 1 through the embedded bolt 4, the other side of the L-shaped steel plate 21 is connected with the web plates of the straight-line-shaped steel plate 22 and the T-shaped steel plate 23 into a whole through the bolt 24.

In the third step, the process of connecting the inner wall element 6 and the floor slab 30 by the wall element pulling-resistant part 20 is as follows: the wall element anti-pulling piece 20 is arranged at four corners of the inner wall element light steel keel framework 16, the wall element anti-pulling piece 20 is positioned at the inner side of the U-shaped light steel keel beam 11, one side of the wall element anti-pulling piece 20, a web plate of the U-shaped light steel keel beam 11 and a floor plate 30 are connected into a whole through bolts 24, and then the other side of the wall element anti-pulling piece 20 is fixedly connected with a web plate of the C-shaped light steel keel column 10 through the bolts 24.

In the fourth step, the process of the pull rod 19 for pulling the concrete filled steel tubular column 1 is as follows: the middle rod 28 of the pull rod 19 penetrates through a preformed hole 9 in a C-shaped light steel keel column 10 of the middle wall element 6 and a preformed hole 9 in a U-shaped light steel keel beam 11, the middle rod 28 of the pull rod 19 is located in a light steel keel framework 16, fasteners 29 are installed at two ends of the middle rod 28, the fasteners 29 are located at the joint of the end wall element 5 and the inner wall element 6, then the end rod 27 of the pull rod 19 penetrates through the preformed hole 9 in the C-shaped light steel keel column 10 of the end wall element 5, the end rod 27 is located in a light steel keel framework 7, one end of the end rod 27 of the pull rod 19 is screwed into the fasteners 29, and the other end of the end rod 27 is connected with the concrete-filled steel tubular column 1 into a whole through a bolt 24. The two tie rods 19 are arranged crosswise.

The combined shear wall 100 can improve the lateral resistance and the vertical stability of a wall structure, is convenient to replace and repair damaged parts in the combined shear wall 100, is beneficial to quickly repairing the use function of the light steel house structure after an earthquake, can prefabricate the required parts in the combined shear wall 100 in batches in a factory, is simple in site construction, greatly improves the construction efficiency, and can effectively reduce the construction cost.