CN210342275U - Vertical assembly connection structure of prefabricated assembled concrete shear wall - Google Patents
Vertical assembly connection structure of prefabricated assembled concrete shear wall Download PDFInfo
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- CN210342275U CN210342275U CN201921050368.3U CN201921050368U CN210342275U CN 210342275 U CN210342275 U CN 210342275U CN 201921050368 U CN201921050368 U CN 201921050368U CN 210342275 U CN210342275 U CN 210342275U
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Abstract
The utility model discloses a vertical assembly joint structure of prefabricated assembled concrete shear force wall belongs to assembly type structure construction technical field. The side surface of the lower end of the upper prefabricated part is embedded with a connecting piece; the connecting piece comprises an upper supporting plate, a lower supporting plate and a vertical supporting plate; the upper supporting plate is connected with the upper vertical steel bar corresponding to the upper side; the upper end of the lower vertical steel bar in the lower prefabricated part, which is opposite to the connecting piece, is provided with a connecting section extending out of the upper end surface of the lower prefabricated part; the lower supporting plate is provided with a lower plate through hole, and the connecting section extends into the lower plate through hole of the lower supporting plate; the connecting section is externally provided with external threads, and the connecting section is provided with a gasket and a fastening nut. The utility model has convenient butt joint, low construction difficulty and high speed; grouting is convenient, compared with the existing sleeve grouting, grouting difficulty is greatly reduced, and construction efficiency is improved; the connecting pieces are alternately arranged on two sides of the shear wall, so that force transmission distribution between the upper prefabricated part and the lower prefabricated part is ensured to be uniform, and the field dry installation of the prefabricated assembly type shear wall body is facilitated.
Description
Technical Field
The utility model relates to an assembly type structure construction technical field specifically is a vertical assembly joint structure of prefabricated assembled concrete shear force wall.
Background
The assembled shear wall structure is a main structure system of an assembled concrete structure, is an assembled concrete structure formed by partially or completely precast concrete members of main stressed members (shear walls, beams and plates), and is mainly used for houses, apartments and the like in civil buildings.
When the general assembly type ring rib buckling anchored concrete shear wall structure is vertically connected, the ring rib buckling anchored concrete shear wall structure is vertically connected in a ring buckle mode. When the lower wall body is in butt joint, embedded steel bars are required to be sleeved with the ring buckles, and grouting is finally required. The installation difficulty and the grouting construction difficulty are very large, and the efficiency is low. The prefabricated concrete shear wall structure has more vertical steel bars of the wall body, adopts the form of the prefabricated concrete structure, solves the problem of vertical connection of the wall body, particularly the connection of the vertical steel bars in the wall body, and has a great significance for structure safety, construction simplification, process saving and cost reduction.
Disclosure of Invention
For solving the technical problem, the utility model provides a vertical assembly connection structure of prefabricated assembled concrete shear force wall through new connecting piece, saves reinforcing bar and telescopic grafting, simplifies the construction steps, reduces the construction degree of difficulty.
The utility model discloses a following technical scheme realizes: a vertical assembling and connecting structure of a prefabricated concrete shear wall comprises a lower prefabricated part and an upper prefabricated part; the side surface of the lower end of the upper prefabricated part is embedded with a connecting piece; the connecting piece comprises an upper supporting plate, a lower supporting plate and a vertical supporting plate connected between the upper supporting plate and the lower supporting plate; upper vertical steel bars and upper transverse steel bars are embedded in the upper prefabricated part, and the upper supporting plate is connected with the upper vertical steel bars corresponding to the upper side; the lower prefabricated part is internally embedded with a lower vertical reinforcing steel bar and a lower transverse reinforcing steel bar, and the upper end of the lower vertical reinforcing steel bar in the lower prefabricated part, which is opposite to the connecting piece, is provided with a connecting section extending out of the upper end surface of the lower prefabricated part; the lower supporting plate is provided with a lower plate through hole, and the connecting section extends into the lower plate through hole of the lower supporting plate; the connecting section is externally provided with external threads, and the connecting section is provided with a gasket and a fastening nut.
It further comprises the following steps: upper plate through holes are formed in two sides of the upper supporting plate, the two upper plate through holes are symmetrically arranged on the center line of the upper supporting plate, and the lower ends of the two upper vertical steel bars are correspondingly inserted into the two upper plate through holes; the lower supporting plate is opposite to the upper supporting plate up and down, and the center of the lower supporting plate is provided with a through hole of the lower plate.
And the lower end of the upper vertical steel bar inserted into the through hole of the upper plate of the upper supporting plate is provided with an elbow.
The cross section of the connecting piece is U-shaped, M-shaped or Z-shaped.
And the connecting piece is embedded in one side surface of the lower end of the upper prefabricated part.
The connecting pieces are embedded on two side faces of the lower end of the upper prefabricated part, and the connecting pieces on the two side faces are alternately arranged.
The minimum reserved width of the section of the upper prefabricated part is not less than 100mm, and the width of the reserved section of the lower end side surface of the prefabricated part after the connecting piece is embedded is not less than 40 mm.
And a mortar layer is laid on the upper end surface of the lower prefabricated part.
Compared with the prior art, the beneficial effects of the utility model are that:
the butt joint is convenient: during construction, a grout blanket is laid on the lower prefabricated part, then the upper prefabricated part is hoisted to the lower prefabricated part, the connecting section at the upper end of the lower vertical steel bar penetrates through the through hole of the lower plate of the lower supporting plate and is fixedly connected through a gasket and a fastening nut, and the construction difficulty is low and the construction speed is high; the through hole of the lower plate can be designed to be slightly larger, so that the construction precision requirement is reduced;
grouting is convenient: after the butt joint is finished, directly grouting into the connecting piece, or filling cement mortar into the connecting piece; compared with the prior sleeve grouting, the grouting difficulty is greatly reduced, and the construction efficiency is improved;
the shearing stress is uniform: the connecting pieces are alternately arranged on two sides of the shear wall, so that the shearing force between the upper prefabricated part and the lower prefabricated part is uniformly distributed, and the shearing strength of the shear wall is improved.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a view taken along line A-A of FIG. 1;
in the figure: 1. a lower prefabricated member; 2. an upper prefabricated part; 3. upward vertical reinforcing steel bars; 3-1, bending; 4. a gasket; 5. a connecting member; 5-1, an upper supporting plate; 5-2, vertical supporting plates; 5-3, a lower supporting plate; 6. fastening a nut; 7. a lower vertical reinforcement bar; 7-1, a connecting section; 8. and (7) setting a pulp layer.
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.
As shown in fig. 1 and 2, the vertical assembly connection structure of the prefabricated concrete shear wall comprises a lower prefabricated part 1 and an upper prefabricated part 2. An upper vertical steel bar 3 and an upper transverse steel bar are embedded in the upper prefabricated part 2. Lower prefabricated component 1 is embedded with lower vertical reinforcing bar 7 and lower horizontal reinforcing bar. The above is the prior art, and the description of this embodiment is not repeated.
The improvement of the embodiment is that:
the connecting pieces 5 are embedded on two side surfaces of the lower end of the upper prefabricated part 2, and the connecting pieces 5 on the two side surfaces are alternately arranged. The connecting piece 5 and the upper prefabricated part 2 are cast and molded together, the width of the section of the upper prefabricated part 2 is required to be more than 50cm, and the width of the section of the connecting piece 5 is required to be more than 30 cm.
The connecting piece 5 comprises an upper supporting plate 5-1, a lower supporting plate 5-3 and a vertical supporting plate 5-2 connected between the upper supporting plate 5-1 and the lower supporting plate 5-3, wherein the lower supporting plate 5-3 is vertically opposite to the upper supporting plate 5-1. The upper supporting plate 5-1, the vertical supporting plate 5-2 and the lower supporting plate 5-3 are of an integrated structure and can be directly obtained by connecting steel materials with U-shaped, M-shaped or Z-shaped sections. Two sides of the upper supporting plate 5-1 are provided with upper plate through holes, the two upper plate through holes are symmetrically arranged on the center line of the upper supporting plate 5-1, and the center of the lower supporting plate 5-3 is provided with a lower plate through hole.
The lower ends of upper vertical steel bars 3 corresponding to the upper supporting plates 5-1 in the upper prefabricated part 2 are inserted into the through holes of the two upper plates, and the lower ends of the upper vertical steel bars 3 are provided with elbows 3-1. The upper end of a lower vertical steel bar 7 in the lower prefabricated part 1, which is opposite to the connecting piece 5, is provided with a connecting section 7-1 extending out of the upper end surface of the lower prefabricated part 1; the lower supporting plate 5-3 is provided with a lower plate through hole, and the connecting section 7-1 extends into the lower plate through hole of the lower supporting plate 5-3; the connecting section 7-1 is externally provided with an external thread, and the connecting section 7-1 is provided with a washer 4 and a fastening nut 6. When the upper prefabricated part 2 is assembled, a bedding slurry layer 8 is firstly paved on the upper end surface of the lower prefabricated part 1.
The construction method comprises the following steps:
the upper prefabricated component 2 and the lower prefabricated component 1 are cast and molded in advance, and the connecting piece 5 and the upper prefabricated component 2 are cast and molded together;
firstly, laying a mortar layer 8 on the upper end surface of the lower prefabricated part 1;
then, hoisting the upper prefabricated part, and finally, fixedly connecting the connecting section at the upper end of the lower vertical steel bar through a lower plate through hole of the lower supporting plate through a gasket and a fastening nut;
and finally, grouting and sealing the connecting piece by adopting fine stone micro-expansion concrete which is higher than the wall by one grade, or filling cement mortar into the connecting piece, wherein the surface of the connecting piece is flush with the wall surface.
The embodiment can show that the utility model has convenient butt joint, low construction difficulty and high speed; compared with the prior sleeve grouting, the utility model has the advantages of convenient grouting, greatly reduced grouting difficulty and improved construction efficiency; the utility model discloses well connecting piece arranges in turn in shear force wall both sides, guarantees to go up prefabricated component and shearing force distribution equipartition down between the prefabricated component, has improved the shear strength of shear force wall.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A vertical assembling and connecting structure of a prefabricated concrete shear wall comprises a lower prefabricated part (1) and an upper prefabricated part (2);
the method is characterized in that:
a connecting piece (5) is embedded in the side surface of the lower end of the upper prefabricated part (2); the connecting piece (5) comprises an upper supporting plate (5-1), a lower supporting plate (5-3) and a vertical supporting plate (5-2) connected between the upper supporting plate (5-1) and the lower supporting plate (5-3); upper vertical steel bars (3) and upper transverse steel bars are embedded in the upper prefabricated part (2), and the upper supporting plate (5-1) is connected with the upper vertical steel bars (3) corresponding to the upper side;
a lower vertical steel bar (7) and a lower transverse steel bar are embedded in the lower prefabricated part (1), and the upper end of the lower vertical steel bar (7) in the lower prefabricated part (1) opposite to the connecting piece (5) is provided with a connecting section (7-1) extending out of the upper end surface of the lower prefabricated part (1); the lower supporting plate (5-3) is provided with a lower plate through hole, and the connecting section (7-1) extends into the lower plate through hole of the lower supporting plate (5-3); the connecting section (7-1) is externally provided with an external thread, and the connecting section (7-1) is provided with a gasket (4) and a fastening nut (6).
2. The vertical assembling and connecting structure of the prefabricated concrete shear wall according to claim 1, characterized in that: upper plate through holes are formed in two sides of the upper supporting plate (5-1), the two upper plate through holes are symmetrically arranged on the center line of the upper supporting plate (5-1), and the lower ends of the two upper vertical steel bars (3) are correspondingly inserted into the two upper plate through holes; the lower supporting plate (5-3) is vertically opposite to the upper supporting plate (5-1), and the center of the lower supporting plate (5-3) is provided with a lower plate through hole.
3. The vertical assembling and connecting structure of the prefabricated concrete shear wall according to claim 2, characterized in that: the lower end of the upper vertical steel bar (3) inserted into the through hole of the upper plate of the upper supporting plate (5-1) is provided with an elbow (3-1).
4. The vertical assembling and connecting structure of the prefabricated concrete shear wall according to claim 2, characterized in that: the cross section of the connecting piece (5) is U-shaped, M-shaped or Z-shaped.
5. The vertical assembling and connecting structure of the prefabricated concrete shear wall according to claim 2, characterized in that: and the connecting piece (5) is embedded in one side surface of the lower end of the upper prefabricated part (2).
6. The vertical assembling and connecting structure of the prefabricated concrete shear wall according to claim 2, characterized in that: the connecting pieces (5) are embedded on two side faces of the lower end of the upper prefabricated part (2), and the connecting pieces (5) on the two side faces are alternately arranged.
7. The vertical assembling and connecting structure of the prefabricated concrete shear wall according to claim 2, characterized in that: the minimum reserved width of the section of the upper prefabricated part (2) is not less than 100mm, and the width of the reserved section of the lower end side surface of the prefabricated part (2) after the connecting piece (5) is embedded is not less than 40 mm.
8. The vertical assembling and connecting structure of the prefabricated concrete shear wall according to claim 1, characterized in that: and a mortar layer (8) is laid on the upper end surface of the lower prefabricated part (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921050368.3U CN210342275U (en) | 2019-07-08 | 2019-07-08 | Vertical assembly connection structure of prefabricated assembled concrete shear wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921050368.3U CN210342275U (en) | 2019-07-08 | 2019-07-08 | Vertical assembly connection structure of prefabricated assembled concrete shear wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210342275U true CN210342275U (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921050368.3U Active CN210342275U (en) | 2019-07-08 | 2019-07-08 | Vertical assembly connection structure of prefabricated assembled concrete shear wall |
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| CN (1) | CN210342275U (en) |
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2019
- 2019-07-08 CN CN201921050368.3U patent/CN210342275U/en active Active
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