CN211735814U - Prefabricated shear wall connection structure - Google Patents
Prefabricated shear wall connection structure Download PDFInfo
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- CN211735814U CN211735814U CN201922358502.2U CN201922358502U CN211735814U CN 211735814 U CN211735814 U CN 211735814U CN 201922358502 U CN201922358502 U CN 201922358502U CN 211735814 U CN211735814 U CN 211735814U
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Abstract
The utility model relates to a precast shear wall connection structure, concrete prefabricated component technical field has been related to, it connects shear force wall and lower shear force wall to have solved, need carry out welded problem in proper order with a plurality of lower reinforcing bars and I-steel, including last shear force wall and lower shear force wall, it is equipped with two rows of connecting reinforcement to go up the fixed inside of shear force wall, and the connecting reinforcement extends to the top and the bottom of shear force wall, and lower shear force wall is close to and keeps away from the both sides of last shear force wall and all fixes and inlay and be equipped with two rows of connection steel pipes, and inside connecting reinforcement pegged graft to connecting the steel pipe, the connecting steel pipe intussuseption was filled with the slip casting body, fixedly connected with I-steel. The utility model discloses an installation mode is simple and convenient, and the construction speed is fast, and installation back stability is high, has better structural strength.
Description
Technical Field
The utility model belongs to the technical field of the precast concrete component technique and specifically relates to a precast shear wall connection structure is related to.
Background
With the development of modern industry and the appearance of more and more high-rise buildings, the house is gradually transformed from cast-in-place to prefabricated assembly, the concrete assembly type structure takes concrete as a main body structure, the structure is connected into a whole by means of nodes and abutted seams, the requirements of bearing capacity, stability, rigidity, ductility and the like in a use stage and a construction stage are met, and the prefabricated house has the advantages of low construction cost, high construction efficiency, environmental friendliness and the like, and is a development trend of the building industry of China at present.
The existing Chinese patent with the publication number of CN207959600U proposes a horizontal joint connection structure of a prefabricated shear wall with I-shaped steel, which comprises an upper shear wall and a lower shear wall, wherein an upper steel bar is arranged in the upper shear wall, one end of the upper steel bar extends out of the bottom end surface of the upper shear wall, a lower steel bar is arranged in the lower shear wall, one end of the lower steel bar extends out of the top end surface of the lower shear wall, the horizontal joint connection structure further comprises the I-shaped steel, one end of the upper steel bar, which extends out of the bottom end surface of the upper shear wall, is fixedly connected with the upper flange of the I-shaped steel for connecting the lower shear wall and the I-shaped steel, concrete is filled between the upper flange and the lower flange of the I-shaped steel, and the outer edge of the concrete is flush with the outer edges of the upper shear wall and the lower shear wall.
The above prior art solutions have the following drawbacks: the upper steel bar, the lower steel bar and the I-shaped steel are connected to realize the connection of the upper shear wall and the lower shear wall, a plurality of lower steel bars and the I-shaped steel need to be welded in sequence in the construction process, the construction time is additionally increased, the construction is complex, the structural stability of the I-shaped steel is easily damaged due to the connection of the lower steel bar, the upper steel bar and the I-shaped steel, and therefore the connection structure of the upper building wall and the lower shear wall needs to be improved.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, one of the purposes of the utility model is to provide construction convenience, installation are swift, structural strength is high, stable in structure's prefabricated shear wall connection structure.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
prefabricated shear force wall connection structure, including last shear force wall and lower shear force wall, go up the fixed two rows of connection steel bars that are equipped with of inlaying in the shear force wall, connection steel bar extends to go up the top and the bottom of shear force wall, the shear force wall is close to down and keeps away from the both sides of going up the shear force wall are all fixed to be inlayed and are equipped with two rows of connection steel pipes, connection steel bar peg graft extremely inside the connection steel pipe, the connection steel pipe intussuseption is filled with the slip casting body, lower shear force wall and two rows fixedly connected with I-steel between the connection steel pipe.
Through adopting above-mentioned technical scheme, before installing shear force wall and lower shear force wall, install supreme shear force wall and lower shear force wall with connecting reinforcement and connecting steel pipe prefabrication respectively according to design criteria, and install the I-steel between two rows of connecting steel pipes, in the work progress, splice to shear force wall under to with last shear force wall directly over, connect steel pipe to two rows of connecting reinforcement simultaneously, realize going up the location installation of shear force wall, then pack the slip casting body in connecting the steel pipe, decorate last shear force wall and lower shear force wall again, realize going up shear force wall and lower shear force wall's installation fixed, the utility model discloses an installation mode is simple and convenient, and construction speed is fast, and installation back stability is high, has better structural strength.
The present invention may be further configured in a preferred embodiment as: the edge of one side opposite to the upper shear wall and the lower shear wall is fixedly connected with an upper butt joint block and a lower butt joint block respectively.
Through adopting above-mentioned technical scheme, utilize the butt of butt joint piece and lower butt joint piece, reduce the mutual displacement of going up shear force wall and lower shear force wall, further strengthen the joint strength between last shear force wall and the lower shear force wall.
The present invention may be further configured in a preferred embodiment as: the cross sections of the upper butt joint block and the lower butt joint block are both in wedge-shaped arrangement.
Through adopting above-mentioned technical scheme, it is bigger with lower butt piece butt face to be wedge-shaped last butt piece, and the butt effect is better for last shear force wall is more stable with lower shear force wall installation back structure.
The present invention may be further configured in a preferred embodiment as: the grouting body is cement paste.
By adopting the technical scheme, the cement paste has better fluidity and better stability after solidification.
The present invention may be further configured in a preferred embodiment as: and a slurry guide steel pipe is fixedly connected between the adjacent connecting steel pipes in the same row.
Through adopting above-mentioned technical scheme, utilize and lead the thick liquid steel pipe and be convenient for guide grout directly to get into in a plurality of connection steel pipes to be convenient for quick slip casting improves the efficiency of construction.
The present invention may be further configured in a preferred embodiment as: grouting holes are formed in the peripheral sides of the connecting steel pipes, and sealing bolts are connected in the grouting holes in an internal thread mode.
By adopting the technical scheme, the grouting holes are sealed by the sealing bolts, so that the leakage of cement slurry is reduced.
The present invention may be further configured in a preferred embodiment as: the inner diameter of the connecting steel pipe is larger than the diameter of the connecting steel bar.
Through adopting above-mentioned technical scheme, the internal diameter ratio of connecting steel pipe is big than connecting steel bar's diameter for there are more spaces that hold connecting steel bar in the connecting steel pipe, thereby make connecting steel bar and connecting steel pipe's being connected more portably, reduce connecting steel bar and the unsuitable circumstances that leads to connecting the difficulty of joining steel pipe.
The present invention may be further configured in a preferred embodiment as: the I-shaped steel, the connecting steel bars and the connecting steel pipes are all made of stainless steel materials.
By adopting the technical scheme, the service lives of the I-shaped steel, the connecting reinforcing steel bars and the connecting steel pipes made of stainless steel materials are longer.
To sum up, the utility model discloses a following at least one kind benefits technological effect:
1. the installation of the upper shear wall and the lower shear wall is realized by utilizing the plug connection of the connecting steel bars and the connecting steel pipes, the installation and positioning of the upper shear wall and the lower shear wall are realized by utilizing the mutual butt joint of the upper butt joint block and the lower butt joint block, the connection stability of the upper shear wall and the lower shear wall is kept, the welding steps are reduced, the construction speed is high, and the installation efficiency of the upper shear wall and the lower shear wall is effectively improved;
2. through the inside slip casting of injected hole orientation connection steel pipe, through leading the inside thick liquid steel pipe of thick liquid guide flow direction other connection steel pipes to utilize sealing bolt to seal other a plurality of injected holes, reduce the outflow of thick liquid, utilize the grouting body to strengthen the joint strength who connects reinforcing bar and connection steel pipe, make the joint strength of going up the connection structure department of shear force wall and lower shear force wall better.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;
fig. 4 is a partially enlarged schematic view of a portion C in fig. 3.
Reference numerals: 1. an upper shear wall; 2. a lower shear wall; 3. connecting reinforcing steel bars; 4. connecting the steel pipes; 5. grouting; 6. i-shaped steel; 7. an upper abutment block; 8. a lower abutment block; 9. a slurry guiding steel pipe; 10. grouting holes; 11. and sealing the bolt.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a precast shear wall connection structure, including last shear wall 1 and lower shear wall 2, go up shear wall 1 and lower shear wall 2 and all be the cuboid form setting, go up 1 inside fixed inlays of shear wall and be equipped with two rows of connecting reinforcement 3, connecting reinforcement 3 extends to the top and the bottom of shear wall 1, and a plurality of connecting reinforcement 3 all extend along the direction of height of last shear wall 1 and set up and parallel arrangement each other refer to fig. 2, and shear wall 2 is close to and keeps away from the both sides of last shear wall 1 and all fixes to inlay and be equipped with two rows of connecting steel pipes 4 down. Before construction, connecting steel bars 3 and connecting steel pipes 4 are respectively prefabricated in the lower shear wall 2 and the upper shear wall 1, during installation, the upper shear wall 1 is installed right above the lower shear wall 2, the connecting steel bars 3 are inserted into the connecting steel pipes 4, and positioning installation of the upper shear wall 1 and the lower shear wall 2 is achieved.
The inner diameter of the connecting steel pipe 4 is larger than the diameter of the connecting steel bar 3. The inner diameter of the connecting steel pipe 4 is larger than the diameter of the connecting steel bar 3, so that more spaces for accommodating the connecting steel bar 3 are formed in the connecting steel pipe 4, the connecting steel bar 3 is more convenient to connect with the connecting steel pipe 4, and the situation that the connecting steel bar 3 is not matched with the connecting steel pipe 4 to cause difficulty in connection is reduced.
Referring to fig. 3 and 4, one side of the upper shear wall 1 opposite to the lower shear wall 2 is fixedly connected with an upper butt block 7 and a lower butt block 8 respectively, the upper butt block 7 is located at the edge of the upper shear wall 1, the lower butt block 8 is located at the edge of the lower shear wall 2, the distance between the upper butt blocks 7 is smaller than the distance between the lower butt blocks 8 along two adjacent upper butt blocks arranged in the width direction of the upper shear wall 1, and the cross sections of the upper butt blocks 7 and the lower butt blocks 8 are in wedge-shaped arrangement. When connecting reinforcement 3 is pegged graft to connecting steel pipe 4 in, the installation location of shear force wall 1 and lower shear force wall 2 is realized to the butt of utilizing last butt piece 7 and lower butt piece 8, reduce the mutual displacement of going up shear force wall 1 and lower shear force wall 2, further strengthen the joint strength between shear force wall 1 and the lower shear force wall 2, it is wedge-shaped last butt piece 7 bigger with lower butt piece 8 butt face, the butt effect is better, make and go up shear force wall 1 and lower shear force wall 2 installation back structure more stable.
Referring to fig. 4, the connecting steel pipes 4 are filled with grouting 5, the grouting 5 is cement slurry, a slurry guiding steel pipe 9 is fixedly connected between the adjacent connecting steel pipes 4 in the same row, the slurry guiding steel pipe 9 is respectively communicated with the adjacent two connecting steel pipes 4, and the axis of the slurry guiding steel pipe 9 is perpendicular to the axis of the connecting steel pipe 4. The grout has better mobility, and stability is better after solidifying, utilizes and leads the thick liquid steel pipe 9 and is convenient for guide grout directly to get into in a plurality of connecting steel pipes 4 to be convenient for quick slip casting improves the efficiency of construction.
Referring to fig. 2, grouting holes 10 are formed in the circumferential sides of the connecting steel pipes 4, the grouting holes 10 are located on the side where the two rows of connecting steel pipes 4 are far away from each other, and sealing bolts 11 are connected to the grouting holes 10 in an internal thread mode. The grout hole 10 is sealed by the sealing bolt 11, thereby reducing the leakage of the grout.
I-steel 6 is fixedly connected between the lower shear wall 2 and the two rows of connecting steel pipes 4, and the I-steel 6, the connecting steel bars 3 and the connecting steel pipes 4 are all made of stainless steel materials. The bearing capacity and the shearing resistance of the joint of the lower shear wall 2 and the upper shear wall 1 are improved by the I-shaped steel 6, and the service lives of the stainless steel I-shaped steel 6, the connecting steel bars 3 and the connecting steel pipes 4 are longer.
The implementation principle of the embodiment is as follows:
when the upper shear wall 1 and the lower shear wall 2 are installed, the connecting steel bars 3 and the connecting steel pipes 4 are respectively prefabricated and installed in the upper shear wall 1 and the lower shear wall 2 according to design standards, the I-shaped steel 6 is installed between the two rows of connecting steel pipes 4, the upper shear wall 1 is spliced to the position right above the lower shear wall 2 in the construction process, the two rows of connecting steel bars 3 are connected with the two rows of connecting steel pipes 4 at the same time, the positioning installation of the upper shear wall 1 is realized by utilizing the mutual butt joint of the upper butt joint block 7 and the lower butt joint block 8, after the upper shear wall 1 and the lower shear wall 2 are assembled, the cement paste is filled in the connecting steel pipes 4 through the grouting holes 10, the cement paste enters other connecting steel pipes 4 through the mortar guiding steel pipes 9 to realize the grouting of the grouting body 5, the upper shear wall 1 and the lower shear wall 2 are modified, the installation and fixation of the upper shear wall 1 and the lower shear wall 2 are realized, the installation mode of the utility model, the construction speed is fast, and installation back stability is high, has better structural strength.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The prefabricated shear wall connecting structure is characterized by comprising an upper shear wall (1) and a lower shear wall (2), wherein two rows of connecting steel bars (3) are fixedly embedded in the upper shear wall (1), the connecting steel bars (3) extend to the top end and the bottom end of the upper shear wall (1), two rows of connecting steel pipes (4) are fixedly embedded in two sides, close to and far away from the upper shear wall (1), of the lower shear wall (2), the connecting steel bars (3) are inserted into the connecting steel pipes (4), grouting bodies (5) are filled in the connecting steel pipes (4), and I-shaped steel (6) are fixedly connected between the lower shear wall (2) and the two rows of connecting steel pipes (4).
2. The precast shear wall connection structure according to claim 1, wherein an upper abutment block (7) and a lower abutment block (8) are fixedly connected to the edges of the opposite sides of the upper shear wall (1) and the lower shear wall (2), respectively.
3. Prefabricated shear wall connection according to claim 2, wherein the upper and lower abutment blocks (7, 8) are wedge-shaped in cross-section.
4. Prefabricated shear wall connection according to claim 1, characterized in that the grout (5) is a cement grout.
5. The precast shear wall connection structure according to claim 4, wherein slurry guide steel pipes (9) are fixedly connected between the adjacent connecting steel pipes (4) in the same row.
6. The precast shear wall connection structure according to claim 5, wherein grouting holes (10) are formed in the periphery of the connection steel pipes (4), and sealing bolts (11) are connected in the grouting holes (10) in a threaded manner.
7. The precast shear wall connection structure according to claim 1, wherein the inner diameter of the connection steel pipe (4) is greater than the diameter of the connection reinforcing steel bar (3).
8. The precast shear wall connection structure according to claim 7, wherein the I-shaped steel (6), the connecting reinforcing steel (3), and the connecting steel pipes (4) are made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922358502.2U CN211735814U (en) | 2019-12-23 | 2019-12-23 | Prefabricated shear wall connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922358502.2U CN211735814U (en) | 2019-12-23 | 2019-12-23 | Prefabricated shear wall connection structure |
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| Publication Number | Publication Date |
|---|---|
| CN211735814U true CN211735814U (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922358502.2U Active CN211735814U (en) | 2019-12-23 | 2019-12-23 | Prefabricated shear wall connection structure |
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| CN (1) | CN211735814U (en) |
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- 2019-12-23 CN CN201922358502.2U patent/CN211735814U/en active Active
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