CN211286140U - Anti-buckling steel plate shear wall restrained by all-steel assembly type double-limb steel pipes - Google Patents
Anti-buckling steel plate shear wall restrained by all-steel assembly type double-limb steel pipes Download PDFInfo
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- CN211286140U CN211286140U CN201922063984.9U CN201922063984U CN211286140U CN 211286140 U CN211286140 U CN 211286140U CN 201922063984 U CN201922063984 U CN 201922063984U CN 211286140 U CN211286140 U CN 211286140U
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Abstract
The utility model provides an anti-buckling steel sheet shear force wall of two limb steel pipe restraints of full steel assembled belongs to structural engineering technical field. The embedded steel plate passes through go up fishplate, lower fishplate, left fishplate and right fishplate welding in the edge frame, two limbs restraint steel pipe are in the equidistant arrangement of the both sides symmetry of embedded steel plate, and pass through connecting bolt presss from both sides tightly embedded steel plate. The utility model discloses an improved steel sheet shear force wall's anti shearing bearing capacity and hysteretic power consumption ability, through the quantity of the two limbs restraint steel pipes of adjustment, the bearing capacity and the rigidity of regulation shear force wall that can be convenient, the structural design of being convenient for. The restraint steel pipe is small in size, light in self weight and convenient to transport and hoist.
Description
Technical Field
The utility model relates to an anti-buckling steel sheet shear force wall of two limbs steel pipe restraint of full steel assembled, the utility model belongs to the technical field of structural engineering.
Background
The buckling restrained steel plate shear wall is the most commonly used lateral force resistant component in high-rise buildings, and the buckling restrained component is arranged outside the plane to restrain the out-of-plane buckling deformation of the steel plate, so that the mechanical property of the sheared steel plate is improved. The steel has the advantages of large initial rigidity, high bearing capacity, high ductility coefficient, stable hysteretic energy consumption performance and the like, and is favored by the engineering technicians. The common plane external constraint construction method for the buckling-restrained steel plate shear wall in the current engineering comprises the methods of welding stiffening ribs and installing a concrete buckling-restrained cover plate, but the construction method still has some defects. By adopting the method of welding the stiffening ribs, a large amount of welding work needs to be finished on the steel plate, so that the problems of welding residual stress and deformation of the surface of the steel plate before installation are caused. Assembled concrete buckling restrained brace apron, install concrete slab on the steel sheet through split bolt, the influence of welding problem has been avoided, but the concrete apron needs the ligature reinforcing bar in the preparation, the preparation template, concreting and maintenance, the production process is more complicated, large size concrete apron still exists the transportation, hoist and mount problem not just, and simultaneously, the buckling restrained brace quality of concrete material is great, the dead weight of building structure and the influence of seismic effect have been increased, it is unfavorable to the structure antidetonation.
Disclosure of Invention
The utility model discloses an it is not enough to overcome prior art, provides a buckling restrained steel sheet shear force wall of two limb steel pipe restraints of full steel assembled with preparation simple to operate, anti-seismic performance are good.
The utility model provides an anti-buckling steel sheet shear force wall of full steel assembled double-limb steel pipe restraint, includes edge frame, edge frame includes frame roof beam, lower frame roof beam, left frame post and right frame post, go up frame roof beam, left frame post, lower frame roof beam and the hoist and mount of right frame post for the quadrangle framework, the shear force wall still includes fishplate, lower fishplate, left fishplate, right fishplate, embedded steel sheet, double-limb restraint steel pipe and connecting bolt, embedded steel sheet passes through go up fishplate, lower fishplate, left fishplate and right fishplate welding in the edge frame, double-limb restraint steel pipe is in equidistant the arrangement in two sides of embedded steel sheet, and pass through connecting bolt presss from both sides tightly embedded steel sheet.
Furthermore, the double-limb constraint steel pipe comprises a first steel pipe, a second steel pipe and a plurality of batten plates, wherein the first steel pipe and the second steel pipe are arranged in parallel and are connected through the plurality of batten plates.
Furthermore, the embedded steel plate is provided with through holes for inserting connecting bolts, slender seams for inserting the connecting bolts are reserved between the adjacent plurality of lacing plates to serve as long bolt holes, and the long bolt holes correspond to the through holes one to one.
Furthermore, a steel gasket is arranged outside the long bolt hole, the connecting bolt penetrates through the steel gasket, the long bolt hole and the through hole simultaneously, and the embedded steel plate and the double-limb constraint steel pipe are fastened together by applying pretightening force through the steel gasket.
Furthermore, the double-limb constraint steel pipe is slightly longer than the net size of the embedded steel plate in the installation direction of the double-limb constraint steel pipe, and the fishplate in the direction is clamped tightly.
Furthermore, a gap is reserved between the end part of the double-limb constraint steel pipe and the edge frame, and the gap is 1/50 with the frame layer height.
Furthermore, the first steel pipe and the second steel pipe are both hollow rectangular steel pipes and have the same size.
Further, concrete is filled in the first steel pipe and the second steel pipe.
Furthermore, the thickness of the patch plate is 10-20 mm larger than the diameter of the connecting bolt.
Further, the connecting bolt is a high-strength split bolt.
The utility model has the main advantages that: the utility model discloses an anti-buckling steel plate shear force wall of two limbs steel pipe restraint of all-steel assembled is through the embedded steel sheet plane outer bucking of restraint steel pipe suppression contact surface, the board width is cut to the receiving of district check has been reduced, the bucking mode of steel sheet is the district check bucking by whole bucking conversion, the anti-shear bearing capacity and the hysteretic energy consumption ability of steel plate shear force wall have been improved, through the quantity of two limbs restraint steel pipes of adjustment, the bearing capacity and the rigidity of regulation shear force wall that can be convenient, the structural design of being convenient for. In the machining process, welding operation is not needed on the steel plate, and the problems of welding residual stress and deformation are avoided. Can utilize the gap between the double limb steel pipe wall and the batten plate to regard as the bolt mounting hole, exert behind the pulling force to the stay bolt, the batten plate can assist the steel pipe wall to share the influence of bolt pretightning force jointly, has avoided the process of trompil and entrance to a cave reinforcement on the steel pipe wall, and the processing preparation is convenient. The long bolt hole structure can realize a mutual interlocking mechanism of the buckling-restrained component and the embedded steel plate under the action of earthquake force, the restraint beam does not directly participate in-plane stress, and the restraint beam is protected and continuously and stably exerts the buckling-restrained action on the steel plate. The hollow steel pipe constraint steel pipe section form is convenient to manufacture, the prefabrication of all-steel structural components is easy to realize, and the site concrete pouring operation is omitted. The section form of the steel pipe concrete confined steel pipe has higher rigidity and bearing capacity, the width of the wall body can be further reduced, and the using area of a building is increased. The steel pipe constraint steel pipe has small volume and light self weight, and is convenient to transport and hoist.
Drawings
Fig. 1 is a schematic structural view of an all-steel assembled double-leg steel tube restrained buckling-restrained steel plate shear wall of the utility model;
FIG. 2 is a schematic sectional view taken along the line A-A in FIG. 1;
fig. 3 is a structural schematic diagram of a double-limb constraint steel pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the utility model provides an anti-buckling steel plate shear force wall of full steel assembled double-limb steel pipe restraint, including an embodiment of edge frame, edge frame includes frame roof beam 1, underframe roof beam 2, left frame post 3 and right frame post 4, and upper frame roof beam 1, left frame post 3, lower frame roof beam 2 and the hoist and mount of right frame post 4 are the quadrangle framework, its characterized in that, the shear force wall still includes fishplate 5, lower fishplate 6, left fishplate 7, right fishplate 8, embedded steel sheet 9, double-limb restraint steel pipe 10 and connecting bolt 11, embedded steel sheet 9 is through last fishplate 5, lower fishplate 6, left fishplate 7 and right fishplate 8 welding in edge frame, and double-limb restraint steel pipe 10 is including the equidistant arrangement of the two sides of embedded steel sheet 9 symmetrically, and press from both sides tight embedded steel sheet 9 through connecting bolt 11.
Specifically, the double-limb restraining steel pipes 10 are prefabricated members, and are not limited to be installed horizontally, but can be installed vertically, but regardless of the installation form, the double-limb restraining steel pipes 10 need to be kept in an equidistant arrangement. The embedded steel plate 9 is made of a high-ductility steel material with good welding performance. In this embodiment, the edge frame is rectangular, and the thickness of the edge frame is thicker than that of the fishplate and the embedded steel plate 9, and correspondingly, the fishplate frame formed by the upper fishplate 5, the lower fishplate 6, the left fishplate 7 and the right fishplate 8 is also rectangular, and the fishplate frame is used as a transition plate for welding the embedded steel plate 9 into the edge frame.
Referring to fig. 2, in the present preferred embodiment, the double-limb restraining steel pipe 10 includes a first steel pipe 12, a second steel pipe 13, and a plurality of gusset plates 14, and the first steel pipe 12 and the second steel pipe 13 are arranged in parallel and connected by the plurality of gusset plates 14.
Specifically, the manufacture of the double-limb constraint steel pipe 10 is completed in a prefabrication processing factory. The first rectangular steel pipe 12 is connected with the surface to be placed on the platform horizontally, the batten plates 14 are arranged on the connected surface through a hair sample, the batten plates 14 are fixed on the pipe wall of the first rectangular steel pipe 12 in a fillet weld enclosure welding mode, and all the batten plates 14 are welded in sequence. And (3) reversing the first rectangular steel pipe 12 by 90 degrees, and tightly attaching the batten plate connecting surface of the second rectangular steel pipe 13 to the connecting surface of the first rectangular steel pipe 12 with the welded batten plates, wherein two ends of the batten plate connecting surface are aligned. And the batten plate 14 is connected with the second rectangular steel pipe 13 in a fillet three-side welding mode. The double-limb restraining steel pipe 10 is turned over by 180 degrees as a whole. And finishing the welding of the last connecting fillet weld of the batten plate 14 and the second rectangular steel pipe 13.
In the buckling-restrained steel plate shear wall restrained by the double-limb steel pipes, the width of the batten plate 14 is the same as the width of the connecting surface of the first rectangular steel pipe 12 and the second rectangular steel pipe 13, and the pipe walls of the batten plate 14, the first rectangular steel pipe 12 and the second rectangular steel pipe 13 share the pre-tightening force of the connecting bolt.
Referring to fig. 1 to 3, in the preferred embodiment of this section, the embedded steel plate 9 is provided with through holes for the insertion of the connecting bolts 11, and elongated slits for the insertion of the connecting bolts 11 are left between the adjacent gusset plates 14 as long bolt holes, which correspond to the through holes one to one.
In the preferred embodiment of this part, a steel gasket is arranged outside the long bolt hole, the connecting bolt 11 simultaneously passes through the steel gasket, the long bolt hole and the through hole, and the embedded steel plate 9 and the double-limb constraint steel pipe 10 are fastened together by applying a pretightening force through the steel gasket.
Referring to fig. 1, in the preferred embodiment of this section, the double-limb restraining steel pipe 10 is slightly longer than the net size of the embedded steel plate 9 in the installation direction of the double-limb restraining steel pipe 10, and clamps the fishplate in the direction.
Specifically, in this embodiment, in order to ensure the restraining effect, the length of the double-limb restraining steel pipe 10 should be greater than the net size of the embedded steel plate 9 in the installation direction, and the end of the double-limb restraining steel pipe 10 extends into the height range of the fishplate.
Referring to fig. 1, in the present preferred embodiment, a gap is left between the end of the double-limb restraining steel pipe 10 and the edge frame, and the gap is 1/50 which is the frame floor height, which is the clear height of the floor.
Specifically, in the present embodiment, in order to avoid the premature contact between the double-limb restraining steel pipe 10 and the edge frame, a certain gap should be reserved between the end of the double-limb restraining steel pipe 10 and the edge frame.
Referring to fig. 2, in the present preferred embodiment, the first steel pipe 12 and the second steel pipe 13 are both hollow rectangular steel pipes and have the same size.
In the preferred embodiment of this section, the first steel pipe 12 and the second steel pipe 13 are filled with concrete.
Specifically, the first steel pipe 12 and the second steel pipe 13 may be filled with concrete or not, and the concrete may be ordinary concrete or high-strength concrete.
In the preferred embodiment of this section, the thickness of the gusset plate 14 is 10 to 20mm larger than the diameter of the connecting bolt 11.
In the preferred embodiment of this section, the connecting bolt 11 is a high-strength split bolt.
Claims (10)
1. The buckling-restrained steel plate shear wall comprises an edge frame, wherein the edge frame comprises an upper frame beam (1), a lower frame beam (2), a left frame column (3) and a right frame column (4), the upper frame beam (1), the left frame column (3), the lower frame beam (2) and the right frame column (4) are hoisted into a quadrilateral frame body, and the buckling-restrained steel plate shear wall is characterized by further comprising an upper fishplate (5), a lower fishplate (6), a left fishplate (7), a right fishplate (8), an embedded steel plate (9), a double-limb restrained steel pipe (10) and connecting bolts (11), the embedded steel plate (9) is welded in the edge frame through the upper fishplate (5), the lower fishplate (6), the left fishplate (7) and the right fishplate (8), the double-limb restrained steel pipe (10) is symmetrically arranged at equal intervals on two sides of the embedded steel plate (9), and clamping the embedded steel plate (9) through the connecting bolt (11).
2. The all-steel assembled double-limb steel pipe restrained anti-buckling steel plate shear wall as claimed in claim 1, is characterized in that: the double-limb constraint steel pipe (10) comprises a first steel pipe (12), a second steel pipe (13) and a plurality of batten plates (14), wherein the first steel pipe (12) and the second steel pipe (13) are arranged in parallel and are connected through the plurality of batten plates (14).
3. The all-steel assembled double-limb steel pipe restrained anti-buckling steel plate shear wall as claimed in claim 2, wherein through holes for insertion of connecting bolts (11) are formed in the embedded steel plate (9), slender seams for insertion of the connecting bolts (11) are reserved between the adjacent batten plates (14) to serve as long bolt holes, and the long bolt holes correspond to the through holes one to one.
4. The all-steel assembled double-limb steel pipe restrained anti-buckling steel plate shear wall as claimed in claim 3, wherein a steel gasket is arranged outside the long bolt hole, the connecting bolt (11) simultaneously penetrates through the steel gasket, the long bolt hole and the through hole, and the embedded steel plate (9) and the double-limb restrained steel pipe (10) are fastened together by applying pretightening force through the steel gasket.
5. The all-steel assembled double-limb steel pipe restrained anti-buckling steel plate shear wall as claimed in claim 4, wherein the double-limb restrained steel pipe (10) is slightly longer than the net size of the embedded steel plate (9) in the installation direction of the double-limb restrained steel pipe (10), and clamps the fishplate in the direction.
6. An all-steel assembled double-limb steel pipe restrained anti-buckling steel plate shear wall as claimed in claim 5, wherein a gap is left between the end of the double-limb restrained steel pipe (10) and the edge frame, and the gap is 1/50 with the frame layer height.
7. The all-steel assembled double-limb steel pipe restrained anti-buckling steel plate shear wall as claimed in claim 2, wherein the first steel pipe (12) and the second steel pipe (13) are both hollow rectangular steel pipes and are identical in size.
8. The all-steel assembled double-limb steel pipe restrained anti-buckling steel plate shear wall as claimed in claim 7, characterized in that the first steel pipe (12) and the second steel pipe (13) are filled with concrete.
9. The all-steel assembled double-limb steel tube restrained anti-buckling steel plate shear wall as claimed in claim 2, wherein the thickness of the batten plate (14) is 10-20 mm larger than the diameter of the connecting bolt (11).
10. An all-steel assembled double-leg steel tube restrained anti-buckling steel plate shear wall as claimed in any one of claims 1, 3, 4 or 9, wherein the connecting bolts (11) are high-strength split bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922063984.9U CN211286140U (en) | 2019-11-26 | 2019-11-26 | Anti-buckling steel plate shear wall restrained by all-steel assembly type double-limb steel pipes |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922063984.9U CN211286140U (en) | 2019-11-26 | 2019-11-26 | Anti-buckling steel plate shear wall restrained by all-steel assembly type double-limb steel pipes |
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| CN211286140U true CN211286140U (en) | 2020-08-18 |
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| CN201922063984.9U Active CN211286140U (en) | 2019-11-26 | 2019-11-26 | Anti-buckling steel plate shear wall restrained by all-steel assembly type double-limb steel pipes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110748043A (en) * | 2019-11-26 | 2020-02-04 | 哈尔滨工业大学 | Anti-buckling steel plate shear wall restrained by all-steel assembly type double-limb steel pipes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110748043A (en) * | 2019-11-26 | 2020-02-04 | 哈尔滨工业大学 | Anti-buckling steel plate shear wall restrained by all-steel assembly type double-limb steel pipes |
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