CN215563517U - Steel plate concrete combined shear wall - Google Patents
Steel plate concrete combined shear wall Download PDFInfo
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- CN215563517U CN215563517U CN202120494697.8U CN202120494697U CN215563517U CN 215563517 U CN215563517 U CN 215563517U CN 202120494697 U CN202120494697 U CN 202120494697U CN 215563517 U CN215563517 U CN 215563517U
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Abstract
The utility model discloses a steel plate concrete combined shear wall, which comprises edge members, an upper shear wall unit and a lower shear wall unit, wherein every 2 edge members are arranged in parallel to form an installation groove, the upper shear wall unit and the lower shear wall unit are installed in the installation groove from top to bottom, the upper shear wall unit and the lower shear wall unit are connected through a connecting assembly, the connecting assembly comprises a rubber cushion layer and 2 connecting plates, the upper ends of the 2 connecting plates are connected with the upper shear wall unit through bolts, and the lower ends of the 2 connecting plates fix the lower shear wall unit; the steel bar trusses which are distributed in a staggered mode are arranged between the 2 connecting plates, U-shaped channel steel is arranged at two ends above the lower shear wall unit, the upper end and the lower end of the U-shaped channel steel are connected with the upper shear wall unit and the lower shear wall unit respectively, and the rubber cushion is filled in grooves of the U-shaped channel steel. The utility model can greatly shorten the construction period, save the cost and avoid the local damage of the wall body.
Description
Technical Field
The utility model relates to the technical field of shear walls, in particular to a steel plate concrete combined shear wall.
Background
The double-layer steel plate-concrete combined shear wall fully exerts the advantages of large lateral stiffness of the reinforced concrete structure and good ductility of the steel structure, improves the bearing capacity and the seismic performance of the shear wall, and simultaneously avoids the defects of poor ductility and energy consumption of the reinforced concrete structure, poor lateral stiffness of the steel structure, easy occurrence of local buckling and the like. However, the traditional construction method of the steel plate concrete combined shear wall has the disadvantages of large on-site welding workload, difficult quality guarantee and low construction efficiency. Preventing the steel plate concrete composite shear wall from being widely applied to high-rise and super high-rise buildings.
The steel plate concrete combined shear wall connected by the horizontal seam bolts is composed of a middle wall body and two end edge members, a steel box body of the middle wall body can be produced and installed in a modularized mode, a large amount of field welding work of steel plates outside the middle wall body is avoided, and the steel plate concrete combined shear wall is simple in structure and convenient and efficient to install. However, under the action of vertical load and horizontal reciprocating load, especially (strong) earthquake action, the shear wall and the edge member have large rigidity difference, connecting bolts at two ends of a horizontal seam are easy to damage, concrete wall bodies at two ends of the connecting seam are easy to damage by strong earthquake, and the shear wall is difficult to repair after the earthquake.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provides a steel plate concrete combined shear wall. The steel plate concrete combined shear wall can reduce plastic damage under the action of an earthquake.
The purpose of the utility model is realized by the following technical scheme: the steel plate concrete combined shear wall comprises edge members, an upper shear wall unit and a lower shear wall unit, wherein 2 edge members are arranged in parallel to form an installation groove, the upper shear wall unit and the lower shear wall unit are installed in the installation groove from top to bottom, the upper shear wall unit and the lower shear wall unit are connected through a connecting assembly, the connecting assembly comprises a rubber cushion layer and 2 connecting plates, the upper ends of the 2 connecting plates are connected with the middle part of the upper shear wall unit through bolts, and the lower ends of the 2 connecting plates are fixed in the middle part of the lower shear wall unit; the steel bar trusses which are distributed in a staggered mode are arranged among the 2 connecting plates, U-shaped channel steel is arranged at each of two ends of the lower shear wall unit, the upper end and the lower end of each U-shaped channel steel are connected with the upper shear wall unit and the lower shear wall unit respectively, and the rubber cushion is filled in the grooves of the U-shaped channel steel.
Preferably, vertical through seams are arranged between the wall body of the upper shear wall unit and the edge member and between the wall body of the lower shear wall unit and the edge member.
Preferably, the upper shear wall unit and the lower shear wall unit are connected through a connecting assembly to form a middle wall body, the bolts comprise two groups, the two groups of bolts are respectively positioned above and below a neutral axis of the middle wall body, and the distance between the bolts and the neutral axis of the middle wall body is less than hbA/3 wherein hbThe width of the cross section of the wall body in the middle.
Preferably, the rubber cushions at the two ends of the connecting plate are symmetrically arranged relative to the vertical center line of the middle wall body.
Preferably, the lower end of the connecting plate is fixed with the lower shear wall unit through welding.
Preferably, the upper shear wall unit comprises an upper vertical face steel plate and an upper back vertical face steel plate, the upper vertical face steel plate and the upper back vertical face steel plate are arranged in parallel, a steel bar truss distributed in a staggered mode is arranged between the upper vertical face steel plate and the upper back vertical face steel plate, the upper ends of the upper vertical face steel plate and the upper back vertical face steel plate are connected through a top plate, and the top plate is provided with grouting holes.
Preferably, the lower shear wall unit comprises a lower vertical steel plate and a lower back vertical steel plate, the lower vertical steel plate and the lower back vertical steel plate are arranged in parallel, and steel bar trusses which are arranged in a staggered mode are arranged between the lower vertical steel plate and the lower back vertical steel plate.
Preferably, the steel bar truss comprises a chord member and an inclined web member, the upper shear wall unit and the lower shear wall unit are fixedly connected with one end of the inclined web member through a middle wall body formed by connecting the connecting components, and the other end of the inclined web member is connected with the chord member.
Compared with the prior art, the utility model has the following advantages:
1. the steel plate concrete combined shear wall mainly comprises the edge members, the upper shear wall units and the lower shear wall units, the combined shear wall is divided into various modules to be produced and installed in a modular mode, and the steel structure components can be used as concrete templates to form template-free engineering, so that the construction period is greatly shortened, and the cost is saved.
2. The middle parts of the upper shear wall unit and the lower shear wall unit are connected through the rigid connecting plate, meanwhile, the two ends of the upper shear wall unit and the lower shear wall unit are connected through the flexible members formed by the U-shaped steel grooves and the rubber cushion layers, a certain deformation space is provided for the middle wall body formed by the upper shear wall unit and the lower shear wall unit, the plastic energy is prevented from gathering under the action of strong shock, and meanwhile, the local damage caused by the power collision at the connecting part of the upper shear wall unit and the lower shear wall unit is avoided.
3. The utility model sets up the vertical through seam between wall body and edge component in the middle part, namely the edge component is not connected with the wall body in the middle part directly, form edge component-two sets of defending the anti side force component of wall body in the middle part: under the coordination of a rigid floor slab, an edge member and a middle wall body work together, the edge member adopts a steel pipe concrete column, is vertically continuous to ensure the transmission of vertical force, and mainly bears the pressure and the tensile force at two ends of a shear wall generated by the action of bending moment, and a wall body mainly bears horizontal shear force; secondly, the vertical through joint of the edge member and the middle wall body and the free construction measure of the tension (compression) edge of the middle wall body enable the deformation of the edge column and the middle wall body to be more coordinated, and damage caused by over-constraint at the joint is avoided.
4. When the upper shear wall unit and the lower shear wall unit are connected through the connecting assembly, the bolts are arranged in the middleThe distance between the bolt and the neutral axis of the middle wall body is less than or equal to hbAnd/3, avoiding damage caused by plastic energy accumulation at two ends of the shear wall under the action of the earthquake. The bolts are adopted to apply pretightening force to the middle wall body, so that the reliability and the anti-loosening capacity of bolt connection and the fatigue strength of the bolts are improved, the tightness and the rigidity of connection are enhanced, the out-of-plane deformation of the vertical face steel plates (namely the upper upright face steel plate, the upper back vertical face steel plate, the lower upright face steel plate and the lower back vertical face steel plate) is reduced, and the local buckling of the vertical face steel plates is delayed; after the bolt connection work is finished, the vertical face steel plate can serve as a stiff framework to bear construction load and structure dead weight in the construction stage, and construction is not affected by concrete curing time.
5. According to the utility model, the steel bar truss is arranged in the middle wall body and is tightly combined with concrete, so that effective lateral restraint is achieved on the steel plate outside the middle wall body, and sudden drop and excessive deformation of the bearing capacity of the combined shear wall caused by the out-of-plane buckling of the vertical steel plate are prevented.
Drawings
Fig. 1 is a schematic structural view of a steel plate concrete composite shear wall of the present invention.
Fig. 2 is an exploded view of the steel plate concrete composite shear wall of the present invention.
Fig. 3 is a sectional view of a steel plate concrete composite shear wall of the present invention.
Fig. 4 is a first perspective structural view of the steel bar truss according to the present invention.
Fig. 5 is a second perspective structural view of the steel bar truss according to the present invention.
The steel plate shear wall comprises an edge member 1, an upper shear wall unit 2, a lower shear wall unit 3, a connecting assembly 4, a rubber cushion layer 5, a connecting plate 6, a bolt 7, a steel bar truss 8, a U-shaped channel steel 9, a vertical through seam 10, an upper upright vertical steel plate 11, an upper back vertical steel plate 12, a top plate 13, a grouting hole 14, a lower upright vertical steel plate 15, a lower back vertical steel plate 16, a chord 18 and an oblique web member 19.
Detailed Description
The utility model is further illustrated by the following figures and examples.
The steel plate concrete combined shear wall shown in fig. 1 to 3 comprises edge members, an upper shear wall unit and a lower shear wall unit, wherein 2 edge members are arranged in parallel to form a mounting groove, the upper shear wall unit and the lower shear wall unit are mounted in the mounting groove from top to bottom, the upper shear wall unit and the lower shear wall unit are connected through a connecting assembly, the connecting assembly comprises a rubber cushion layer and 2 connecting plates, the upper ends of the 2 connecting plates are connected with the middle part of the upper shear wall unit through bolts, and the lower ends of the 2 connecting plates are fixed in the middle part of the lower shear wall unit through welding; the steel bar trusses which are distributed in a staggered mode are arranged among the 2 connecting plates, U-shaped channel steel is arranged at each of two ends of the lower shear wall unit, the upper end and the lower end of each U-shaped channel steel are connected with the upper shear wall unit and the lower shear wall unit respectively, and the rubber cushion is filled in the grooves of the U-shaped channel steel. U-shaped channel steel is concrete, and the upper end and the lower extreme of U-shaped channel steel are respectively down shear force wall unit and lower shear force wall unit welding, and the rubber cushion that is located the connecting plate both ends sets up for the vertical central line symmetry of middle part wall body, U-shaped channel steel and rubber cushion constitute flexible component promptly. The two ends of the upper shear wall unit and the lower shear wall unit are connected through flexible members, and the middle parts of the upper shear wall unit and the lower shear wall unit are connected through rigid connecting plates. Therefore, the upper shear wall unit and the lower shear wall unit are connected through rigidity and are connected flexibly, so that plastic damage to the end part of the combined shear wall can be avoided, and plastic damage caused by strong earthquake action is reduced. And be provided with 2 steel truss between 2 connecting plates, it is specific, steel truss's quantity can be decided according to in-service use in 2 connecting plates between, for example the size of connecting plate and steel truss's size etc.. 2 steel bar trusses are arranged from top to bottom, and the back staggered distribution, and 2 steel bar trusses's outer end (the one end of not fixing with the wall of connecting plate promptly) are not just to setting up promptly, and this structure has improved joint strength, avoids connecting plate and facade steel sheet to take place to warp.
Vertical through seams are arranged between the wall body of the upper shear wall unit and the edge member and between the wall body of the lower shear wall unit and the edge member. Specifically, the vertical through seam is parallel to the edge member, so that the middle wall body and the edge member do not need to be directly connected, and two fortification lateral force resisting members of the edge member and the middle wall body are formed.
The upper shear wall unit and the lower shear wall unit are connected through the connecting assembly to form a middle wall body, the bolts comprise two groups, the two groups of bolts are respectively positioned above and below a neutral axis of the middle wall body, and the distance between the bolts and the neutral axis of the middle wall body is smaller than or equal to hbA/3 wherein hbThe width of the cross section of the wall body in the middle. By adopting the arrangement mode, the bolts can effectively avoid damage caused by plastic energy concentration at two ends of the shear wall under the action of an earthquake.
The upper shear wall unit comprises an upper front vertical face steel plate and an upper back vertical face steel plate, the upper front vertical face steel plate and the upper back vertical face steel plate are arranged in parallel, and steel bar trusses distributed in a staggered mode are arranged between the upper front vertical face steel plate and the upper back vertical face steel plate; the upper ends of the upper vertical face steel plate and the upper back vertical face steel plate are connected through a top plate, and the top plate is provided with grouting holes. The lower shear wall unit comprises a lower front vertical surface steel plate and a lower back vertical surface steel plate, the lower front vertical surface steel plate and the lower back vertical surface steel plate are arranged in parallel, and steel bar trusses which are arranged in a staggered mode are arranged between the lower front vertical surface steel plate and the lower back vertical surface steel plate. The upper shear wall unit and the lower shear wall unit are simple in structure and convenient to manufacture. Meanwhile, the steel bar trusses are arranged in the shear wall units and are tightly combined with concrete, effective lateral restraint is achieved on steel plates on the outer side of the middle wall body, and sudden bearing capacity reduction and excessive deformation of the combined shear wall caused by plane external buckling of the vertical steel plates are prevented. And the steel bar trusses arranged in the upper shear wall unit and the lower shear wall unit and the steel bar trusses between the 2 connecting plates adopt the same structure, but the installation positions of the two steel bar trusses are different.
As shown in fig. 4 and 5, the steel bar truss includes a chord member and an oblique web member, the upper shear wall unit and the lower shear wall unit are connected through a connecting assembly to form a middle wall body, and are fixedly connected to one end of the oblique web member, and the other end of the oblique web member is connected to the chord member. Specifically, oblique web member adopts 2 in this embodiment, and this 2 oblique web members set up for chord symmetry, and the angle between 2 oblique web members is 60, and the size of this angle can be decided again according to the demand, can be any angle in 0 ~ 180. The diagonal web members are wavy, wave crests at one ends of the diagonal web members are welded with the rod bodies of the chords, and wave crests at the other ends of the diagonal web members are welded with the inner wall of the middle wall body. The structure is simple, the installation is convenient, and the mechanical property is good.
The above-mentioned embodiments are preferred embodiments of the present invention, and the present invention is not limited thereto, and any other modifications or equivalent substitutions that do not depart from the technical spirit of the present invention are included in the scope of the present invention.
Claims (8)
1. The utility model provides a steel sheet concrete combination shear wall, includes edge component, goes up shear wall unit and lower shear wall unit, and every 2 edge component parallel arrangement form the mounting groove, go up shear wall unit and install in the mounting groove with lower shear wall unit top-down, just go up shear wall unit and connect its characterized in that through coupling assembling with lower shear wall unit: the connecting assembly comprises a rubber cushion layer and 2 connecting plates, the upper ends of the 2 connecting plates are connected with the middle part of the upper shear wall unit through bolts, and the lower ends of the 2 connecting plates are fixed in the middle part of the lower shear wall unit; the steel bar trusses which are distributed in a staggered mode are arranged among the 2 connecting plates, U-shaped channel steel is arranged at each of two ends of the lower shear wall unit, the upper end and the lower end of each U-shaped channel steel are connected with the upper shear wall unit and the lower shear wall unit respectively, and the rubber cushion is filled in the grooves of the U-shaped channel steel.
2. The steel plate concrete composite shear wall of claim 1, wherein: vertical through seams are arranged between the wall body of the upper shear wall unit and the edge member and between the wall body of the lower shear wall unit and the edge member.
3. The steel plate concrete composite shear wall of claim 1, wherein: the upper shear wall unit and the lower shear wall unit are connected through a connecting componentThe bolts are connected to form a middle wall body, the bolts comprise two groups, the two groups of bolts are respectively positioned above and below a neutral axis of the middle wall body, and the distance between the bolts and the neutral axis of the middle wall body is less than or equal to hbA/3 wherein hbThe width of the cross section of the wall body in the middle.
4. The steel plate concrete composite shear wall of claim 1, wherein: the rubber cushions at the two ends of the connecting plate are symmetrically arranged relative to the vertical central line of the middle wall body.
5. The steel plate concrete composite shear wall of claim 1, wherein: the lower end of the connecting plate is fixed with the lower shear wall unit through welding.
6. The steel plate concrete composite shear wall of claim 1, wherein: the upper shear wall unit comprises an upper front vertical face steel plate and an upper back vertical face steel plate, the upper front vertical face steel plate and the upper back vertical face steel plate are arranged in parallel, and steel bar trusses distributed in a staggered mode are arranged between the upper front vertical face steel plate and the upper back vertical face steel plate; the upper ends of the upper vertical face steel plate and the upper back vertical face steel plate are connected through a top plate, and the top plate is provided with grouting holes.
7. The steel plate concrete composite shear wall of claim 1, wherein: the lower shear wall unit comprises a lower front vertical surface steel plate and a lower back vertical surface steel plate, the lower front vertical surface steel plate and the lower back vertical surface steel plate are arranged in parallel, and steel bar trusses which are arranged in a staggered mode are arranged between the lower front vertical surface steel plate and the lower back vertical surface steel plate.
8. A steel plate concrete composite shear wall according to claim 1, 6 or 7, characterized in that: the steel bar truss comprises a chord member and an inclined web member, the upper shear wall unit and the lower shear wall unit are connected through the connecting component to form a middle wall body and are fixedly connected with one end of the inclined web member, and the other end of the inclined web member is connected with the chord member.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120494697.8U CN215563517U (en) | 2021-03-05 | 2021-03-05 | Steel plate concrete combined shear wall |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120494697.8U CN215563517U (en) | 2021-03-05 | 2021-03-05 | Steel plate concrete combined shear wall |
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| CN215563517U true CN215563517U (en) | 2022-01-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116497982A (en) * | 2023-06-26 | 2023-07-28 | 北京工业大学 | Truss constraint steel plate shear wall system with fireproof decorative plate |
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2021
- 2021-03-05 CN CN202120494697.8U patent/CN215563517U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116497982A (en) * | 2023-06-26 | 2023-07-28 | 北京工业大学 | Truss constraint steel plate shear wall system with fireproof decorative plate |
| CN116497982B (en) * | 2023-06-26 | 2023-09-22 | 北京工业大学 | Truss constraint steel plate shear wall system with fireproof decorative plate |
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