CN213296645U - Vertical slot type angle steel connecting device of precast shear wall - Google Patents
Vertical slot type angle steel connecting device of precast shear wall Download PDFInfo
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- CN213296645U CN213296645U CN202021692982.2U CN202021692982U CN213296645U CN 213296645 U CN213296645 U CN 213296645U CN 202021692982 U CN202021692982 U CN 202021692982U CN 213296645 U CN213296645 U CN 213296645U
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- angle steel
- concrete shear
- precast concrete
- shear wall
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Abstract
The utility model discloses a vertical slot type angle steel connecting device of precast shear wall, including two or two precast concrete shear walls more than, it has the recess to reserve respectively in the lower extreme both sides of precast concrete shear wall and upper end one side, pre-buried in every recess has fixed angle steel, pre-buried fixed steel sheet that has at the opposite side of precast concrete shear wall upper end, through bolt fixedly connected with overlap joint angle steel between the fixed angle steel of adjacent precast concrete shear wall, the welding has the overlap joint steel sheet between the fixed angle steel of adjacent precast concrete shear wall and fixed steel sheet. The utility model discloses a bolted connection and welded mode realize the high-speed joint between the precast concrete shear force wall, have not only improved the installation rate and the installation convenience of precast concrete shear force wall, but also improved the tolerance of installation.
Description
Technical Field
The utility model relates to a vertical slot type angle steel connecting device of precast shear wall belongs to building prefabricated component and connects technical field.
Background
Currently, the most common vertical connection modes of precast concrete shear walls are three types, namely steel bar sleeve grouting connection, steel bar grout anchor connection and post-cast strip connection. In the construction site, the grouting material needs to be injected into the steel bar sleeve grouting connection and the steel bar grout anchor connection, and the grouting compactness of the sleeve cannot be guaranteed because the sleeve is totally enclosed. And the post-cast strip connection mode can cause a large amount of wet operation on the site.
In addition, a plurality of section steel connecting methods are developed by a small number of construction units and scientific research institutions to replace steel bars for connection, and the method mainly comprises the step of connecting the embedded steel plates or the section steel of the upper and lower wall plates by bolts or welding seams. The main characteristics of the profile steel connection are that the installation process is rapid and efficient, and the installation quality is easy to detect. However, in some section steel connections, in order to ensure the shear resistance of the connection node, a method of wrapping steel plates on the upper portion and the lower portion of the wall body is adopted, section steel materials are excessively used, the manufacturing cost is high, and a large number of bolt joints and welding seams exist, so that the applicability is reduced. The connection of the existing section steel is simpler, the I-shaped steel or the angle steel is arranged at the upper end and the lower end of the wall, the economical problem is solved, the requirement on the installation precision is higher, the situation that the installation is difficult or even impossible can occur, and the manufacturing and transportation difficulty of the prefabricated part can be increased due to the outward protrusion of the I-shaped steel and the angle steel. In addition, in order to improve the shear strength of connection, vertical steel bars of the upper prefabricated wall and the lower prefabricated wall are lapped, and a post-cast strip is arranged, so that on-site wet operation can be generated when the post-cast strip is poured, and construction is inconvenient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple to operate, labour saving and time saving, improve efficiency of construction's vertical slot type angle steel connecting device of prefabricated shear force wall to overcome not enough among the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a vertical slot type angle steel connecting device of precast shear wall, including two or two above precast concrete shear walls, it has the recess to reserve respectively in the lower extreme both sides of precast concrete shear wall and upper end one side, pre-buried fixed angle steel in every recess, pre-buried fixed steel sheet has been pre-buried at the opposite side of precast concrete shear wall upper end, there is the overlap joint angle steel through bolt fixedly connected with between the fixed angle steel of adjacent precast concrete shear wall, the welding has the overlap joint steel sheet between the fixed angle steel and the fixed steel sheet of adjacent precast concrete shear wall.
Further, the back of fixed angle steel and fixed steel sheet all welds has the anchor.
Furthermore, corresponding bolt holes are formed in the fixed angle steel and the lap joint angle steel, and bolts penetrate into the bolt holes.
Since the technical scheme is used, the utility model discloses an advantage has below: the utility model discloses pre-buried fixed angle steel and the fixed steel sheet of having respectively at the upper and lower both ends of precast concrete shear force wall, through bolt fixedly connected with overlap angle steel between the fixed angle steel of adjacent precast concrete shear force wall, the welding has the overlap steel sheet between the fixed angle steel of adjacent precast concrete shear force wall and fixed steel sheet, thereby realize the high-speed joint between the precast concrete shear force wall through bolted connection and welded mode, the installation rate and the installation convenience of precast concrete shear force wall have not only been improved, but also the tolerance of installation has been improved. Meanwhile, the pre-embedded fixed angle steels are all arranged in the grooves in the precast concrete shear wall, and only the parts for connection are exposed at the groove openings, so that the manufacturing difficulty of the precast concrete shear wall is reduced, and convenience is provided for component transportation.
Drawings
FIG. 1 is a perspective view of a schematic construction of a precast concrete shear wall;
FIG. 2 is a schematic view of the lower end structure of a precast concrete shear wall;
FIG. 3 is a schematic view of a precast concrete shear wall upper end structure;
FIG. 4 is a perspective view of a schematic structural view of the fixed angle iron;
FIG. 5 is a perspective view of a structural schematic of a fixed steel plate;
FIG. 6 is a front view of a schematic structural view of the fixed angles connected by overlapping angles;
FIG. 7 is a perspective view of a schematic structural view of the fixed angles connected by overlapping angles;
fig. 8 is a perspective view schematically showing the structure of the fixed angle iron and the fixed steel plate when they are connected by the lap steel plate.
FIG. 9 is a schematic view of the structure of adjacent precast concrete shear walls when connected.
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.
The embodiment of the utility model provides a: referring to fig. 1 to 8, a vertical groove type angle steel connecting device for a precast concrete shear wall includes two precast concrete shear walls 1, grooves 2 are reserved on two sides of the lower end and one side of the upper end of each precast concrete shear wall 1, a fixed angle steel 3 is pre-embedded in each groove 2, a fixed steel plate 4 is pre-embedded on the other side of the upper end of each precast concrete shear wall 1, lap joint angle steel 7 is fixedly connected between the fixed angle steels 3 of the adjacent precast concrete shear walls 1 through bolts 8, and a lap joint steel plate 9 is welded between the fixed angle steel 3 and the fixed steel plate 4 of the adjacent precast concrete shear walls 1. The back sides of the fixed angle steel 3 and the fixed steel plate 4 are respectively welded with an anchor 5, and the connection strength of the fixed angle steel 3 and the fixed steel plate 4 and the precast concrete shear wall 1 is improved through the anchor 5. Set up corresponding bolt hole 6 on fixed angle steel 3 and the overlap joint angle steel 7, penetrated bolt 8 in bolt hole 6, and bolt hole 6 is 2 ~ 3mm than the diameter of bolt 8 for the error that produces when the adjustment installation, the high-speed joint of being convenient for.
See 7 ~ 9, the utility model discloses pre-buried fixed angle steel 3 and the fixed steel sheet 4 of having respectively at precast concrete shear force wall 1's upper and lower both ends, through bolt 8 fixedly connected with overlap joint angle steel 7 between adjacent precast concrete shear force wall 1's fixed angle steel 3, the welding has overlap joint steel sheet 9 between adjacent precast concrete shear force wall 1's fixed angle steel 3 and fixed steel sheet 4, thereby realize the high-speed joint between precast concrete shear force wall 1 through bolted connection and welded mode, the installation rate and the installation convenience of precast concrete shear force wall have not only been improved, and the tolerance of installation has still been improved. Meanwhile, the embedded fixed angle steels 3 are all arranged in the grooves 2 on the precast concrete shear wall 1, and only the parts for connection are exposed at the groove openings, so that the manufacturing difficulty of the precast concrete shear wall is reduced, and convenience is provided for component transportation.
Claims (3)
1. The utility model provides a vertical slot type angle steel connecting device of precast shear wall, includes two or more precast concrete shear wall (1), its characterized in that: the prefabricated concrete shear wall comprises prefabricated concrete shear walls (1), wherein grooves (2) are reserved on two sides of the lower end and one side of the upper end of each prefabricated concrete shear wall (1), fixed angle steel (3) is pre-embedded in each groove (2), fixed steel plates (4) are pre-embedded on the other side of the upper end of each prefabricated concrete shear wall (1), lap joint angle steel (7) is fixedly connected between the fixed angle steel (3) of the adjacent prefabricated concrete shear walls (1) through bolts (8), and lap joint steel plates (9) are welded between the fixed angle steel (3) and the fixed steel plates (4) of the adjacent prefabricated concrete shear walls (1).
2. The vertical slot type angle steel connecting device of precast shear wall according to claim 1, characterized in that: and the back surfaces of the fixed angle steel (3) and the fixed steel plate (4) are welded with anchors (5).
3. The vertical slot type angle steel connecting device of precast shear wall according to claim 1, characterized in that: corresponding bolt holes (6) are formed in the fixing angle steel (3) and the lap joint angle steel (7), and bolts (8) penetrate into the bolt holes (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021692982.2U CN213296645U (en) | 2020-08-14 | 2020-08-14 | Vertical slot type angle steel connecting device of precast shear wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021692982.2U CN213296645U (en) | 2020-08-14 | 2020-08-14 | Vertical slot type angle steel connecting device of precast shear wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213296645U true CN213296645U (en) | 2021-05-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021692982.2U Active CN213296645U (en) | 2020-08-14 | 2020-08-14 | Vertical slot type angle steel connecting device of precast shear wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213296645U (en) |
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2020
- 2020-08-14 CN CN202021692982.2U patent/CN213296645U/en active Active
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