CN212926569U - Connecting structure of prefabricated shear wall with window opening and superposed beam - Google Patents
Connecting structure of prefabricated shear wall with window opening and superposed beam Download PDFInfo
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- CN212926569U CN212926569U CN202021247581.6U CN202021247581U CN212926569U CN 212926569 U CN212926569 U CN 212926569U CN 202021247581 U CN202021247581 U CN 202021247581U CN 212926569 U CN212926569 U CN 212926569U
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Abstract
The utility model discloses a connecting structure of a prefabricated shear wall with a window hole and superposed beams, which comprises a prefabricated shear wall, wherein the prefabricated shear wall comprises a superposed beam prefabricated part positioned above the window hole and two window side walls positioned at the left side and the right side of the window hole; the superposed beam cast-in-place part arranged between the prefabricated shear wall on the upper layer and the prefabricated shear wall on the lower layer is superposed with the superposed beam prefabricated part to form a superposed beam; connecting parts of pre-buried connecting steel bars preset at the bottom of the upper layer of the window side wall are horizontally arranged in the cast-in-place part of the superposed beam, and the connecting parts of the pre-buried connecting steel bars preset in the two window side walls are lapped together through the cast-in-place steel bars in the cast-in-place part of the superposed beam; the vertical steel bars preset in the window side wall of the lower layer penetrate through the superposed beam and then are inserted into the grouting sleeves preset at the bottom of the window side wall of the upper layer, and the window side wall of the upper layer and the cast-in-place part of the superposed beam are fixed through grouting materials matched with the grouting sleeves and special caulking mortar leveling layers. The utility model discloses structural connection is firm reliable.
Description
Technical Field
The utility model relates to a precast shear wall joint construction, more specifically say, relate to a take window opening and composite beam's precast shear wall's joint construction.
Background
The assembly type building is a novel building form suitable for the national conditions of China, and is mainly characterized in that parts such as prefabricated columns, prefabricated beams, laminated slabs, prefabricated doors and windows and the like are prefabricated by a factory firstly, and then the prefabricated parts are transported to a construction site and assembled on the construction site. Compared with a cast-in-place structure, the fabricated building has the advantages of high production efficiency, high construction speed, small cast-in-place quantity of construction sites, energy conservation, environmental protection and the like.
The design that the structure that shear walls are arranged on two sides of the window opening and a connecting beam system is arranged on the upper portion of the window opening is used for lighting floor windows is widely adopted as a building model. Because the window position is special, need consider when adopting cast-in-place construction technology wholly to prop up and establish the template, have certain construction degree of difficulty, and window department template formwork and arrange later stage mould difficult recovery, caused very big waste. The traditional construction mode causes the difficulty of multiple construction periods of the casting site construction procedures according to the floor construction, the problem of nonuniform creep and shrinkage of the whole concrete is difficult to avoid in later-stage upper layer casting, the window special position connected with the upper layer shear wall exists in the upper turning of the connecting beam, and the problem of water seepage possibly caused by gaps generated at the splicing position is inevitable. Therefore, in view of the greatly shortened construction period and process and the overall stability of the structure at the later stage, improvement of the prior art is required.
Disclosure of Invention
1. Technical problem to be solved by the utility model
An object of the utility model is to overcome foretell not enough, provide a take window opening and composite beam's prefabricated shear force wall's joint construction, adopt the technical scheme of the utility model, structural connection is firm reliable, and the construction is simple and convenient, and construction cycle is short, the construction efficiency is high, has promoted the application proportion of prefabricated part in the building, and the cast-in-place volume of job site is few, energy-concerving and environment-protective.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
the utility model discloses a connecting structure of prefabricated shear wall with window hole and superposed beam, which comprises a prefabricated shear wall, wherein the prefabricated shear wall is of an integral structure and comprises a superposed beam prefabricated part positioned above the window hole and two window side walls positioned at the left side and the right side of the window hole; the superposed beam cast-in-place part arranged between the prefabricated shear wall on the upper layer and the prefabricated shear wall on the lower layer is superposed with the superposed beam prefabricated part to form a superposed beam; connecting parts of pre-buried connecting steel bars preset at the bottom of the upper layer of the window side wall are horizontally arranged in the cast-in-place part of the superposed beam, and the connecting parts of the pre-buried connecting steel bars preset in the two window side walls are lapped together through the cast-in-place steel bars in the cast-in-place part of the superposed beam; the vertical steel bars preset in the window side wall of the lower layer penetrate through the superposed beam and then are inserted into the grouting sleeves preset at the bottom of the window side wall of the upper layer, and the window side wall of the upper layer and the cast-in-place part of the superposed beam are fixed through grouting materials matched with the grouting sleeves and special caulking mortar leveling layers.
Furthermore, polyurethane joint mixture is injected into the joint between the inner side surface of the window side wall and the cast-in-place part of the superposed beam, and then the joint is sealed by sealant.
Furthermore, the inner side surface of the window side wall is connected with the cast-in-place part of the superposed beam to form a rough surface.
Furthermore, one end of the embedded connecting steel bar, which is arranged in the side wall of the window, is bent upwards by 90 degrees, and the other end of the embedded connecting steel bar, which is arranged in the cast-in-place part of the superposed beam, is bent downwards by 90 degrees; both ends of the cast-in-situ reinforcing steel bar are downwards bent by 90 degrees.
Furthermore, a plurality of pre-buried open hoops arranged along the length direction of the pre-buried open hoops are pre-arranged in the prefabricated part of the superposed beam and positioned at the position of the window line, and the upper part of each pre-buried open hoop is exposed out of the upper surface of the prefabricated part of the superposed beam and is arranged at the cast-in-place part of the superposed beam; the prefabricated part of composite beam in and be located pre-buried opening hoop and be provided with top reinforcing bar, waist reinforcing bar and bottom reinforcing bar, the both ends of bottom reinforcing bar are all located two window side walls respectively after buckling 90 downwards, bind together through a plurality of pre-buried stirrup of arranging along the prefabricated part length direction of composite beam between the part that lies in window lines position department in the waist reinforcing bar and the part that the top reinforcing bar lies in window lines position department.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with existing well-known technique, have following beneficial effect:
(1) the utility model discloses a take prefabricated shear force wall's of window opening and composite beam connection structure, its prefabricated shear force wall includes the composite beam prefabricated part that is located the window opening top and two window side walls that are located the window opening left and right sides, and the prefabricated shear force wall is whole prefabricated component, and structural connection is firm, and the construction is simple and convenient, and construction cycle is short, the construction efficiency is high, has promoted the application proportion of prefabricated part in the building, and the cast-in-place volume of job site is few, and is energy-concerving and environment-protective;
(2) the utility model discloses a take connection structure of prefabricated shear force wall of window opening and composite beam, the window side wall of upper strata is connected through grout sleeve structure with the window side wall of lower floor between, the pre-buried connecting reinforcement's that predetermines in the window side wall of upper strata connecting reinforcement connecting portion and the cast-in-place reinforcing bar overlap joint in the cast-in-place portion of composite beam, the firm connection is reliable between the prefabricated shear force wall;
(3) the utility model discloses a take connection structure of prefabricated shear force wall of window opening and composite beam, the seam crossing of the medial surface of the window side wall on its upper strata and the cast-in-place portion of composite beam pours into polyurethane gap filler and seals with sealed glue, has avoided the production of crack, has also avoidd the problem of window infiltration simultaneously;
(4) the utility model discloses a take connection structure of precast shear wall of window opening and composite beam, the part of being connected with the cast-in-place portion of composite beam is established to the mat face in the medial surface of the window side wall on its upper strata for the window side wall on upper strata is connected with the cast-in-place portion of composite beam firmly more stably.
Drawings
Fig. 1 is a schematic structural view of a connection structure of a prefabricated shear wall with a window hole and a composite beam according to the present invention;
fig. 2 is a sectional view of the connection structure a of the prefabricated shear wall with the window hole and the composite beam according to the present invention;
fig. 3 is a cross-sectional view in the direction B of the connection structure of the precast shear wall with the window opening and the composite beam according to the present invention;
fig. 4 is a schematic structural view of a prefabricated shear wall in a connection structure of the prefabricated shear wall with a window hole and a composite beam according to the present invention;
fig. 5 is a schematic structural view of a window side wall in a connection structure of a precast shear wall with a window hole and a composite beam according to the present invention.
The reference numerals in the schematic drawings illustrate: 1. a window opening; 2-1, a superposed beam prefabricating part; 2-2, window side wall; 3. embedding connecting steel bars in advance; 4. pre-burying an opening hoop; 5. casting reinforcing steel bars in situ; 6. vertical reinforcing steel bars; 7. grouting a sleeve; 8. a special caulking mortar leveling layer; 9. a superposed beam cast-in-place part; 10. a top steel bar; 11. waist reinforcing steel bars; 12. bottom reinforcing steel bars; 13. embedding stirrups; 14. a polyurethane caulking agent; 15. and (7) sealing the glue.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
Examples
With reference to fig. 1, 3 and 4, the connection structure of the prefabricated shear wall with the window opening and the superposed beam of the embodiment includes a prefabricated shear wall, the prefabricated shear wall is of an integral structure, and the prefabricated shear wall includes a superposed beam prefabricated part 2-1 located above the window opening 1 and two window side walls 2-2 located on the left and right sides of the window opening 1; a plurality of pre-buried open hoops 4 arranged along the length direction of the pre-buried open hoops are pre-arranged in the superposed beam prefabricated part 2-1 and positioned at the window line part, and the upper surface of each pre-buried open hoop 4 exposed out of the superposed beam prefabricated part 2-1 is arranged at a superposed beam cast-in-place part 9; a top steel bar 10, a waist steel bar 11 and a bottom steel bar 12 are arranged in the precast part 2-1 of the superposed beam and positioned in the pre-buried open hoops 4, two ends of the bottom steel bar 12 are bent downwards by 90 degrees and then are respectively arranged in the two window side walls 2-2, a part of the waist steel bar 11 positioned at a window line part and a part of the top steel bar 10 positioned at the window line part are bound together through a plurality of pre-buried hoops 13 arranged along the length direction of the precast part 2-1 of the superposed beam, a precast shear wall is manufactured in a factory in advance, the precast part of the superposed beam and the two window side walls are connected into a whole, the connection is firm and reliable, the construction period is short, the construction efficiency is high, the application proportion of the precast part in the building is improved, the cast-in-place amount of a construction site;
continuing and combining with the drawings of fig. 2 and 5, the superposed beam cast-in-place part 9 arranged between the prefabricated shear wall on the upper layer and the prefabricated shear wall on the lower layer is superposed with the superposed beam prefabricated part 2-1 to form a superposed beam; connecting parts of pre-buried connecting steel bars 3 preset at the bottom of the upper window side wall 2-2 are horizontally arranged in a superposed beam cast-in-place part 9, the connecting parts of the pre-buried connecting steel bars 3 preset in the two window side walls 2-2 are connected together in a lap joint mode through cast-in-place steel bars 5 positioned in the superposed beam cast-in-place part 9, specifically, one end, arranged in the window side wall 2-2, of the pre-buried connecting steel bars 3 is bent upwards by 90 degrees, and the other end, arranged in the superposed beam cast-in-place part 9, of the pre-buried connecting steel bars 3 is bent downwards by 90 degrees; both ends of the cast-in-place steel bar 5 are bent downwards for 90 degrees; the vertical steel bars 6 preset in the lower layer of the window side wall 2-2 penetrate through the superposed beam and then are inserted into the grouting sleeves 7 preset at the bottom of the upper layer of the window side wall 2-2, the upper layer of the window side wall 2-2 and the superposed beam cast-in-place part 9 are fixed through grouting materials used by the matched grouting sleeves 7 and special caulking mortar leveling layers 8, firm connection is formed after the grouting materials are solidified, and the connection strength of the prefabricated window side wall is greatly improved; the upper layer of window side wall is connected with the lower layer of window side wall through a grouting sleeve structure, a connecting part of pre-embedded connecting steel bars preset in the upper layer of window side wall is in lap joint with the cast-in-place steel bars in the cast-in-place part of the superposed beam, and the prefabricated shear walls are firmly and reliably connected;
in order to avoid the generation of cracks and avoid the problem of water seepage of the window, a polyurethane gap filler 14 is injected into the joint between the inner side surface of the window side wall 2-2 and the cast-in-place part 9 of the superposed beam, and then the joint is sealed by a sealant 15; in order to ensure that the connection between the window side wall and the cast-in-place part of the superposed beam is firmer and more stable, the part of the inner side surface of the window side wall 2-2 connected with the cast-in-place part 9 of the superposed beam is a rough surface.
In order to ensure the structural stability of the integral prefabricated component, the arrangement of the positions of bottom reinforcements in the prefabricated part of the superposed beam and embedded stirrups at the positions of window lines needs to be noticed; the grouting sleeve and the embedded connecting steel bar are also required to be preset in the side wall of the window in advance; during on-site assembly, the prefabricated shear wall on the upper layer is arranged right above the prefabricated shear wall on the lower layer through a detachable supporting structure, connecting parts of pre-embedded connecting steel bars preset in two window side walls on the upper layer are overlapped together through cast-in-place steel bars 5, and then concrete is poured to enable the prefabricated part 2-1 of the superposed beam and the cast-in-place part 9 of the superposed beam to be overlapped together to form the superposed beam; a connecting part of a vertical steel bar 6 preset in the lower layer of the window side wall 2-2 penetrates through the superposed beam and is inserted into the grouting sleeve 7, a special caulking mortar leveling layer 8 is arranged between the bottom surface of the upper layer of the window side wall and the cast-in-place part of the superposed beam, and then grouting materials are injected into the grouting sleeve 7 through a grouting hole reserved in the window side wall; then, polyurethane joint mixture 14 is injected into the joint between the inner side surface of the window side wall 1 and the cast-in-place part 9 of the superposed beam, and then the joint is sealed by sealant 15.
The utility model discloses a take opening in a window and superimposed beam's prefabricated shear force wall's joint construction, whole structural connection is firm reliable, and the construction is simple and convenient, and construction cycle is short, construction efficiency is high, has promoted the application proportion of prefabricated part in the building, and the cast-in-place volume of job site is few, and is energy-concerving and environment-protective.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (5)
1. The utility model provides a take opening in a window and composite beam's prefabricated shear wall's joint construction, includes prefabricated shear wall, its characterized in that: the prefabricated shear wall is of an integral structure and comprises a superposed beam prefabricated part (2-1) positioned above a window opening (1) and two window side walls (2-2) positioned on the left side and the right side of the window opening (1); a superposed beam cast-in-place part (9) arranged between the prefabricated shear wall on the upper layer and the prefabricated shear wall on the lower layer is superposed with a superposed beam prefabricated part (2-1) to form a superposed beam; connecting parts of pre-buried connecting steel bars (3) preset at the bottoms of the upper window side walls (2-2) are horizontally arranged in the superposed beam cast-in-place part (9), and the connecting parts of the pre-buried connecting steel bars (3) preset in the two window side walls (2-2) are lapped together through the cast-in-place steel bars (5) positioned in the superposed beam cast-in-place part (9); vertical steel bars (6) preset in the lower layer of window side wall (2-2) penetrate through the superposed beam and then are inserted into grouting sleeves (7) preset at the bottom of the upper layer of window side wall (2-2), and the upper layer of window side wall (2-2) and the superposed beam cast-in-place part (9) are fixed through grouting materials used by the matched grouting sleeves (7) and a special caulking mortar leveling layer (8).
2. The connection structure of the precast shear wall with the window opening and the superposed beam according to claim 1, characterized in that: and a polyurethane joint mixture (14) is injected into the joint between the inner side surface of the window side wall (2-2) and the cast-in-place part (9) of the superposed beam, and then the joint is sealed by a sealant (15).
3. The connection structure of the precast shear wall with the window opening and the superposed beam according to claim 2, characterized in that: the inner side surface of the window side wall (2-2) is provided with a rough surface at the part connected with the cast-in-place part (9) of the superposed beam.
4. The connection structure of the precast shear wall with the window opening and the superposed beam according to claim 3, characterized in that: one end of the embedded connecting steel bar (3) arranged in the window side wall (2-2) is bent upwards by 90 degrees, and the other end of the embedded connecting steel bar (3) arranged in the superposed beam cast-in-place part (9) is bent downwards by 90 degrees; both ends of the cast-in-place steel bar (5) are downwards bent by 90 degrees.
5. The connection structure of the precast shear wall with the window opening and the superposed beam, according to claim 4, is characterized in that: a plurality of pre-buried opening hoops (4) which are arranged along the length direction of the prefabricated part (2-1) of the superposed beam and are positioned at the position of the window line are pre-arranged in the prefabricated part (2-1) of the superposed beam, and the upper part of each pre-buried opening hoop (4) is exposed out of the upper surface of the prefabricated part (2-1) of the superposed beam and is arranged at the cast-in-situ part (9) of the superposed beam; the prefabricated part of composite beam (2-1) in and be located pre-buried opening hoop (4) and be provided with top reinforcing bar (10), waist reinforcing bar (11) and bottom reinforcing bar (12), locate two window side walls (2-2) respectively after the both ends of bottom reinforcing bar (12) all buckle 90 downwards, bind together through a plurality of pre-buried stirrup (13) that arrange along the prefabricated part of composite beam (2-1) length direction between the part that lies in window lines position in waist reinforcing bar (11) and the part that lies in window lines position in top reinforcing bar (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021247581.6U CN212926569U (en) | 2020-07-01 | 2020-07-01 | Connecting structure of prefabricated shear wall with window opening and superposed beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021247581.6U CN212926569U (en) | 2020-07-01 | 2020-07-01 | Connecting structure of prefabricated shear wall with window opening and superposed beam |
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| Publication Number | Publication Date |
|---|---|
| CN212926569U true CN212926569U (en) | 2021-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021247581.6U Expired - Fee Related CN212926569U (en) | 2020-07-01 | 2020-07-01 | Connecting structure of prefabricated shear wall with window opening and superposed beam |
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| CN (1) | CN212926569U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114892882A (en) * | 2022-06-14 | 2022-08-12 | 中国建筑标准设计研究院有限公司 | Prefabricated wallboard with assembled cross-layer connecting beam, connecting structure and construction method of prefabricated wallboard |
-
2020
- 2020-07-01 CN CN202021247581.6U patent/CN212926569U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114892882A (en) * | 2022-06-14 | 2022-08-12 | 中国建筑标准设计研究院有限公司 | Prefabricated wallboard with assembled cross-layer connecting beam, connecting structure and construction method of prefabricated wallboard |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210409 |
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| CF01 | Termination of patent right due to non-payment of annual fee |