CN215166665U - Horizontal joint connecting structure of assembled combined shear wall with non-shearing end bolts - Google Patents
Horizontal joint connecting structure of assembled combined shear wall with non-shearing end bolts Download PDFInfo
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- CN215166665U CN215166665U CN202120580430.0U CN202120580430U CN215166665U CN 215166665 U CN215166665 U CN 215166665U CN 202120580430 U CN202120580430 U CN 202120580430U CN 215166665 U CN215166665 U CN 215166665U
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Abstract
The utility model discloses an assembled combination shear wall horizontal seam connection structure that tip bolt does not shear, including the wall body, stiffening rib and low friction drag gasket, the wall body is equipped with the flange in the concatenation side at least, terminal surface and rear end face before the wall body has, flange and preceding terminal surface mutually perpendicular, the middle part of flange is equipped with a plurality of bolt round holes, the both sides of flange are equipped with a plurality of levels respectively and expand the hole, high strength bolt passes bolt round hole and level respectively and expands the hole, low friction drag gasket clamp is located between level expansion hole and the high strength bolt, the level expands the length direction of hole along the flange and expands and grow, flange on two wall bodies through the mutual concatenation of high strength bolt connection, a plurality of stiffening ribs respectively with flange and preceding end connection. The high-strength bolts on the two sides of the flange mainly bear tensile force but basically do not bear shearing force, the shearing force is borne by the middle high-strength bolt bearing small tensile force, and the material performance of the high-strength bolts at different positions is fully utilized when the high-strength bolts bear respective external force.
Description
Technical Field
The utility model relates to an assembled shear force wall technical field, in particular to horizontal seam connection structure of assembled combination shear force wall that tip bolt does not shear.
Background
With the increase of building height, the application of high-rise buildings is becoming more and more extensive, and the double-layer steel plate-concrete combined shear wall is increasingly applied to practical engineering projects with excellent mechanical properties. The double-layer steel plate-concrete combined shear wall fully exerts the advantages of large lateral stiffness of a concrete structure and good ductility of a steel structure, and improves the bearing capacity and the seismic performance of the shear wall.
At present, the national advocates the assembly type structure vigorously, and the assembly type shear wall is prefabricated in a factory and is connected after being installed in place in a construction site, and the integrity and the seismic performance of the structure are influenced by the connection performance of the assembly type shear wall. Therefore, a steel plate horizontal joint between upper and lower shear walls of a double-deck steel plate-concrete composite shear wall requires a reliable connection node and proper handling.
The horizontal joint connection of the fabricated shear wall has the characteristics of enough bearing capacity and deformability, convenient construction and the like. At present, a support plate is additionally arranged outside the shear wall, and the upper steel plate and the lower steel plate are connected and welded by using split bolts, but the support plate and the outer surface of the shear wall are not parallel and level by using the former method, if a groove is formed, the support plate and the outer surface of the shear wall are parallel and level, the construction complexity is caused, and the construction cost is high. The latter method has high welding difficulty on site and high cost. And the molten metal flows downwards due to the action of gravity, the upper part of the welding line is thin, the lower part of the welding line is thick, and the thickness of the thin part is less than that of the steel plate, so that the bearing capacity of the shear wall steel plate is weakened to a certain extent at the welding line part, and meanwhile, the shear wall steel plate is not beneficial to being connected with other horizontal components such as a floor slab and a beam.
One of the applicant's prior proposed fabricated shear wall solutions is under the publication number CN 209637027U. In the scheme, the horizontal joints are connected by flanges, and under the combined action of bending moment, shearing force and pulling pressure, bolts at the connected ends bear larger pulling force and shearing force, so that the bolts are easy to damage under larger composite acting force, and the flange connection fails, therefore, a more reasonable connection mode is necessary to be designed for the high-strength bolts at the ends connected by the flanges.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide an assembled combination shear wall horizontal seam connection structure that tip bolt does not shear, on the basis that adopts flange joint, through set up the level in flange both sides and expand the hole, high strength bolt and level expand and add between the hole and rub the piece that hinders lowly, make the high strength bolt of flange both sides allow to take place to slide along the shearing direction and receive less shear force, mainly bear the pulling force, improve the bearing capacity and the deformability of flange.
The technical scheme of the utility model is that: the utility model provides an assembled combination shear wall horizontal seam connection structure that tip bolt does not shear, includes wall body, a plurality of stiffening rib and a plurality of low friction drag gasket, can splice each other between wall body and the wall body, the wall body is equipped with the flange in the concatenation side at least, terminal surface and rear end face before the wall body has, flange and preceding terminal surface mutually perpendicular, the middle part of flange is equipped with a plurality of bolt round holes, the both sides of flange are equipped with a plurality of levels respectively and expand the hole, high strength bolts passes bolt round hole and level respectively and expands the hole, low friction drag gasket clamp is located between level expansion hole and the high strength bolt, level expansion hole expands the length direction along the flange and grows, flange on two wall bodies of splicing each other through high strength bolt connection, a plurality of stiffening ribs respectively with flange and preceding end connection. The horizontal expanding holes are formed in the two sides of the flange, the low-friction gaskets are arranged between the high-strength bolts and the horizontal expanding holes, the high-strength bolts on the two sides of the flange mainly bear tensile force but basically do not bear shearing force, and the shearing force is borne by the middle high-strength bolt bearing small tensile force, so that the material performance of the high-strength bolts at different positions is fully utilized when the high-strength bolts bear respective external force.
Furthermore, the stiffening ribs are vertically connected to the flange and the front end face, and the stiffening ribs prevent the wall body from locally buckling, so that the internal force between two mutually spliced wall bodies can be effectively transmitted, and the integrity between the two mutually spliced wall bodies is improved.
Furthermore, the stiffening ribs, the bolt round holes and the horizontal expanding holes are arranged at intervals respectively.
And furthermore, the wall body is also provided with a plurality of welding braces, one ends of the welding braces are vertically connected to the rear end face, the other ends of the welding braces are connected to the front end face of the other wall body positioned behind the rear end face, and concrete is poured between the front wall body and the rear wall body to form a vertical component, so that the cooperative work of the concrete and the wall body is ensured.
Furthermore, the steel plate rack also comprises a plurality of continuous steel plates, wherein the continuous steel plates are vertically welded on the rear end face, and the continuous steel plates are arranged along the full height of the rear end face.
Further, the continuous steel plate and the welding brace are arranged at intervals.
Furthermore, continuous steel plates on two mutually spliced walls are aligned, the continuous steel plates are fixed with the continuous steel plates through welding, and the continuous steel plates ensure that concrete and the walls can work better in a cooperative mode.
Furthermore, the wall body is square, and four sides of the wall body are provided with flanges, so that each wall body is provided with the flanges for connection, and a middle wall body and an edge wall body do not need to be independently selected, so that the construction is convenient, and the mass production is convenient.
The construction method of the horizontal joint connecting structure of the assembled combined shear wall with the non-shearing end bolts comprises the steps of firstly forming bolt round holes and horizontal expanding holes in the flange, welding a plurality of stiffening ribs to the flange and the front end face, arranging a plurality of continuous steel plates and a plurality of welding braces on the rear end face of the wall, fixedly connecting the flanges on the two mutually spliced walls by using high-strength bolts to penetrate through fixing holes, adding low-friction gaskets between the high-strength bolts on the left side and the right side of the flange and the horizontal expanding holes, then fixing the continuous steel plates on the two mutually spliced walls by welding, then welding the welding braces to the front end face of the other wall behind the wall, and finally post-pouring concrete between the front wall and the rear wall to form a vertical member.
Compared with the prior art, the utility model, following beneficial effect has:
the horizontal joint connecting structure of the assembled combined shear wall with the non-shearing end bolts of the utility model has the advantages that the horizontal expanding holes are arranged at the two sides of the flange, and the low-friction gaskets are added between the high-strength bolts and the horizontal expanding holes, so that the high-strength bolts at the two sides of the flange are allowed to slide slightly along the shearing direction but are basically not subjected to shearing force and mainly pulled; the shearing force is borne by a high-strength bolt with small pulling force positioned in the middle of the shearing force wall. After the connecting structure is adopted, the high-strength bolts on the two sides of the flange are mainly acted by unidirectional force and do not bear the action of composite stress, the bearing capacity is higher, materials are fully utilized, and the quality and the effect of connection can be effectively guaranteed.
Drawings
Fig. 1 is a front view of the horizontal joint connection structure of the assembled composite shear wall in which the end bolt does not shear.
Fig. 2 is a side view of the horizontal joint connection structure of the assembled composite shear wall in which the end bolt does not shear.
Fig. 3 is a cross-sectional view taken along line a-a of fig. 1.
Fig. 4 is a cross-sectional view taken along line B-B of fig. 2.
Fig. 5 is a plan view of the flange of the present invention.
Fig. 6 is a schematic diagram of the high strength bolt at the horizontal joint connection structure of the present invention.
The wall body 1, the stiffening ribs 2, the welding brace 3, the continuous steel plate 4, the flange 5, the bolt round hole 51, the horizontal expanded hole 52, the high-strength bolt 6 and the low-friction gasket 7.
Detailed Description
The present invention will be described in further detail with reference to examples, but the present invention is not limited thereto.
Example 1
As shown in fig. 1 and 2, the horizontal joint connection structure of the fabricated combined shear wall with non-shearing end bolts in the embodiment includes a wall body 1, a plurality of stiffening ribs 2, a plurality of welding braces 3, a plurality of continuous steel plates 4 and a low-friction gasket 7, wherein the wall body and the wall body can be spliced with each other.
As shown in fig. 2, 3 and 4, the wall body is provided with a flange 5 at the splicing side, the wall body is provided with a front end face and a rear end face, the flange is perpendicular to the front end face, as shown in fig. 5, the middle part of the flange is provided with a plurality of bolt round holes 51, two sides of the flange are respectively provided with a plurality of horizontal expansion holes 52, the high-strength bolts 6 respectively penetrate through the bolt round holes and the horizontal expansion holes, the low-friction-resistance gasket 7 is clamped between the horizontal expansion holes and the high-strength bolts, the horizontal expansion holes are expanded along the length direction of the flange, and the flanges on the two wall bodies which are spliced with each other are connected through the high-strength bolts. As shown in fig. 6, by arranging horizontal enlarged holes at both sides of the flange and adding low-friction gaskets between the high-strength bolts and the horizontal enlarged holes, the high-strength bolts at both sides of the flange are allowed to slide slightly in the shearing direction but are basically free from shearing force and mainly pulled; the shearing force is borne by a high-strength bolt with small pulling force positioned in the middle of the shearing force wall. After the connecting structure is adopted, the high-strength bolts on the two sides of the flange are mainly acted by unidirectional force and do not bear the action of composite stress, the bearing capacity is higher, materials are fully utilized, and the quality and the effect of connection can be effectively guaranteed.
As shown in fig. 1 and 2, a plurality of stiffening ribs are respectively and vertically connected to the flange and the front end face, the stiffening ribs, a plurality of bolt round holes and a plurality of horizontal expansion holes are respectively arranged at intervals, and the stiffening ribs prevent buckling of the wall body, so that internal force between two mutually spliced wall bodies can be effectively transmitted, and the integrity between the two mutually spliced wall bodies is improved.
As shown in fig. 2, one end of the welding brace is vertically welded on the rear end face, the other end of the welding brace is welded on the front end face of the other wall body behind the rear end face, and concrete is poured between the front wall body and the rear wall body to form a vertical member, so that the concrete and the wall bodies can work better in a cooperative mode.
As shown in fig. 2, a plurality of continuous steel plates are respectively and vertically welded on the rear end face, the continuous steel plates are arranged along the full height of the rear end face, the continuous steel plates and the welding braces are arranged at intervals, the continuous steel plates on the two mutually spliced walls are aligned, the continuous steel plates and the continuous steel plates are fixed by welding, and the continuous steel plates ensure that concrete and the walls can better work in a cooperative manner.
The construction method of the horizontal joint connecting structure of the assembled combined shear wall with the non-shearing end bolts comprises the steps of firstly forming bolt round holes and horizontal expanding holes in the flange, welding a plurality of stiffening ribs to the flange and the front end face, arranging a plurality of continuous steel plates and a plurality of welding braces on the rear end face of the wall, fixedly connecting the flanges on the two mutually spliced walls by using high-strength bolts to penetrate through fixing holes, adding low-friction gaskets between the high-strength bolts on the left side and the right side of the flange and the horizontal expanding holes, then fixing the continuous steel plates on the two mutually spliced walls by welding, then welding the welding braces to the front end face of the other wall behind the wall, and finally post-pouring concrete between the front wall and the rear wall to form a vertical member.
Example 2
The difference between the embodiment and the embodiment 1 is that the wall is square, and the four sides of the wall are provided with flanges, so that each wall is provided with the flanges for connection, and a middle wall and an edge wall do not need to be independently selected, so that the construction is convenient, and the mass production is also convenient.
As described above, the present invention can be realized well, and the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention; all equivalent changes and modifications made according to the present invention are intended to be covered by the scope of the claims of the present invention.
Claims (8)
1. The horizontal seam connection structure of assembled combination shear wall that tip bolt does not shear, a serial communication port, including wall body, a plurality of stiffening rib and a plurality of low friction resistance gasket, can splice each other between wall body and the wall body, the wall body is equipped with the flange in the concatenation side at least, terminal surface and rear end face before the wall body has, flange and preceding terminal surface mutually perpendicular, the middle part of flange is equipped with a plurality of bolt round holes, the both sides of flange are equipped with a plurality of levels respectively and expand the hole, high strength bolt passes bolt round hole and level respectively and expands the hole, low friction resistance gasket presss from both sides and locates between level expansion hole and the high strength bolt, level expansion hole expands the length direction along the flange and grows, flange on two wall bodies of splicing each other through high strength bolt connection, a plurality of stiffening ribs are connected with flange and preceding terminal surface respectively.
2. The fabricated composite shear wall horizontal joint connection structure in which the end bolts do not shear according to claim 1, wherein the stiffening ribs are connected to the flange and the front end surface vertically.
3. The horizontal joint connection structure of an assembled type combined shear wall, in which the end bolts do not shear, according to claim 1, wherein the stiffening ribs are provided at intervals with the plurality of bolt circular holes and the plurality of horizontal elongated holes, respectively.
4. The horizontal joint connecting structure of an assembled combined shear wall with non-shearing end bolts as claimed in claim 1, further comprising a plurality of welding braces, wherein one end of each welding brace is vertically connected to the rear end face, the other end of each welding brace is connected to the front end face of the other wall body behind the rear end face, and concrete is poured between the two wall bodies to form a vertical member.
5. The horizontal joint connection structure of an assembled combined shear wall with non-shearing end bolts as claimed in claim 4, further comprising a plurality of continuous steel plates vertically welded to the rear end surface, the continuous steel plates being arranged along the full height of the rear end surface.
6. The fabricated composite shear wall horizontal joint connection structure without end bolt shearing according to claim 5, wherein the continuous steel plate is spaced apart from the welding braces.
7. The horizontal joint connection structure of an assembled combined shear wall with non-shearing end bolts as claimed in claim 5, wherein the continuous steel plates of the two wall bodies spliced with each other are aligned, and the continuous steel plates are fixed to the continuous steel plates by welding.
8. The horizontal joint connection structure of an assembled combined shear wall without shearing by an end bolt of claim 1, wherein the wall body is square, and four sides of the wall body are provided with flanges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120580430.0U CN215166665U (en) | 2021-03-22 | 2021-03-22 | Horizontal joint connecting structure of assembled combined shear wall with non-shearing end bolts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120580430.0U CN215166665U (en) | 2021-03-22 | 2021-03-22 | Horizontal joint connecting structure of assembled combined shear wall with non-shearing end bolts |
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| Publication Number | Publication Date |
|---|---|
| CN215166665U true CN215166665U (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120580430.0U Active CN215166665U (en) | 2021-03-22 | 2021-03-22 | Horizontal joint connecting structure of assembled combined shear wall with non-shearing end bolts |
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| Country | Link |
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| CN (1) | CN215166665U (en) |
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2021
- 2021-03-22 CN CN202120580430.0U patent/CN215166665U/en active Active
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