CN210621920U - Steel node is connected with superimposed sheet to assembled concrete structure shear force wall - Google Patents
Steel node is connected with superimposed sheet to assembled concrete structure shear force wall Download PDFInfo
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- CN210621920U CN210621920U CN201921339989.3U CN201921339989U CN210621920U CN 210621920 U CN210621920 U CN 210621920U CN 201921339989 U CN201921339989 U CN 201921339989U CN 210621920 U CN210621920 U CN 210621920U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 78
- 239000010959 steel Substances 0.000 title claims abstract description 78
- 230000002457 bidirectional effect Effects 0.000 claims description 17
- 239000002131 composite material Substances 0.000 claims description 4
- 238000011065 in-situ storage Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 22
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
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Abstract
In order to solve the problem of low construction efficiency caused by temporary support arrangement in the connection construction process of the laminated slab and the shear wall, the unable scheduling problem of guaranteeing of quality, the utility model provides an assembled concrete structure shear force wall and superimposed sheet steel joint, prefabricated shear force wall inside prefabricated built-in fitting has, two-way built-in fitting both ends are connected respectively in prefabricated shear force wall inside and outside, two-way built-in fitting tip fixedly connected with is located the angle steel of prefabricated shear force wall one side, superimposed sheet prefabricated layer upper portion is equipped with the cast-in-place layer of superimposed sheet, inside pre-buried additional dowel bar and prefabricated plate end angle steel have, prefabricated plate end angle steel and angle steel fixed connection, prefabricated shear force wall and superimposed sheet are through the connection and the construction of this kind of steel joint, the buildding of temporary support has been reduced, the efficiency of construction is improved, simultaneously this simple structure, and is firm reliable, be favorable to improving construction quality.
Description
Technical Field
The utility model belongs to the technical field of the assembled concrete structure, especially, relate to an assembled concrete structure shear force wall and superimposed sheet steel node.
Background
At present, the construction site connection of the fabricated concrete structure composite slab and the shear wall mostly adopts a mode of 6.6.4 regulations in 'fabricated concrete structure technical code' JGJ1-2014, 'a slab end or slab side support, a longitudinal stress steel bar in a prefabricated slab extends out of the slab end or slab side and is anchored in post-cast concrete of a supporting beam or wall', and the connection mode has the following problems: firstly, temporary supports are required to be arranged under the laminated slab during field construction, so that the workload of field construction is increased; secondly, the added temporary supports must be removed after the post-cast concrete reaches the specified strength, so that the field working surface is affected; thirdly, after the post-cast concrete reaches the specified strength, the upper-layer prefabricated shear wall can be installed, so that continuous construction cannot be formed, and the construction progress is obviously restricted; and fourthly, the construction quality of the connecting nodes is difficult to check and accept, and the construction quality is difficult to control.
SUMMERY OF THE UTILITY MODEL
Need set up interim support in order to solve superimposed sheet and shear force wall work progress and lead to work load increase, unable continuous construction, the inefficiency of construction efficiency and construction quality to be difficult to the problem of accuse, the utility model provides an assembled concrete structure shear force wall and superimposed sheet steel connecting node, the technical scheme of adoption as follows:
a steel joint for connecting a shear wall and a laminated slab of an assembled concrete structure comprises a prefabricated shear wall and a laminated slab positioned on one side of the prefabricated shear wall, wherein the laminated slab comprises a prefabricated laminated slab layer and a cast-in-place laminated slab layer positioned on the upper part of the prefabricated laminated slab layer, and is characterized in that a plurality of bidirectional embedded parts distributed along the length direction are embedded in the prefabricated shear wall, the bidirectional embedded parts are positioned at the elevation position of the laminated slab on the height of the prefabricated shear wall, two connecting ends of the bidirectional embedded parts are respectively connected with the inner end surface and the outer end surface of the prefabricated shear wall, connecting angle steel is fixedly connected with one end of the bidirectional embedded parts close to the connecting part of the prefabricated shear wall and the laminated slab, additional anchor bars and prefabricated slab end angle steel fixedly connected with the additional anchor bars are arranged in the prefabricated slab layer, the prefabricated slab end angle steel is positioned at the end part, close to one end of the prefabricated shear, and the angle steel at the end of the prefabricated plate is fixedly connected with the connecting angle steel.
Preferably, the bidirectional embedded part is composed of four connecting steel bars and connecting steel plates fixedly connected to two ends of the four connecting steel bars, and the two connecting steel plates are fixedly connected to the inner end and the outer end of the prefabricated shear wall respectively.
Preferably, the bidirectional embedded part is positioned in the middle of the height direction of the prefabricated shear wall.
Preferably, additional steel bars are arranged in the laminated slab cast-in-situ layer and fixedly connected with the connecting angle steel.
Preferably, the angle steel at the end of the prefabricated plate is connected with the additional anchor bars in a welding mode, and the angle steel at the end of the prefabricated plate, the additional steel bars and the connecting angle steel are connected in a welding mode and located on one side of the prefabricated shear wall.
The beneficial effects of the utility model reside in that:
1. the vertical connecting part of the construction site of the prefabricated shear wall on the upper layer and the lower layer is arranged at a windowsill above a floor, so that the continuity of the shear wall at the position of the elevation of the floor and the position with the maximum bending moment is ensured;
2. the laminated slab is connected with the prefabricated shear wall through the bidirectional embedded part, so that the laminated slab is firm and reliable, and the force transmission is direct and clear;
3. the shear wall and the laminated slab prefabricated layer are prefabricated, so that the shear wall and the laminated slab prefabricated layer can be quickly manufactured in batches, and meanwhile, the installation and construction are convenient, and the construction quality is easy to ensure;
4. the connecting angle steel is directly used as the support of the laminated plate, and temporary support does not need to be erected on the construction site when the laminated plate is installed, so that the site workload is greatly reduced, and a good working surface is provided for construction;
5. is convenient for inspection and acceptance, and is beneficial to controlling the construction quality.
Drawings
FIG. 1 is a schematic view of the structure of the present invention
The steel plate comprises 1-a prefabricated shear wall, 2-a bidirectional embedded part, 3-connecting angle steel, 4-a laminated slab cast-in-place layer, 5-additional steel bars, 6-a laminated slab prefabricated layer, 7-prefabricated plate end angle steel and 8-additional anchor bars.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The prefabricated concrete structure shear wall and laminated slab connection steel node mainly comprises a prefabricated shear wall 1 and a laminated slab located on the inner side of the prefabricated shear wall 1, wherein the laminated slab is composed of a laminated slab prefabricated layer 6 and a laminated slab cast-in-place layer 4 located above the laminated slab prefabricated layer 6, the thickness of the prefabricated shear wall 1 is 200mm, a plurality of bidirectional embedded parts 2 are uniformly distributed in the prefabricated shear wall along the length direction, each bidirectional embedded part 2 is composed of two phi 14 secondary steel connection steel bars and connecting steel plates fixedly connected to the left end and the right end of each connecting steel bar, the horizontal direction of each connecting steel plate is 150mm long, the vertical direction of each connecting steel plate is 200mm high and 12mm thick, each bidirectional embedded part 2 is arranged at the elevation position of the laminated slab of the prefabricated shear wall 1, namely at the middle position in the height direction of the prefabricated shear wall 1, the connecting steel plates at the left end and the right end of each bidirectional embedded part 2 are respectively connected with the inner side surface and the outer side surface of the prefabricated shear wall 1, connecting steel plate is welded with connecting angle 3 at the right end of the bidirectional embedded part 2, the connecting angle 3 is connected with an additional angle connecting steel bar of a connecting steel bar of ∟ X90 mm, the prefabricated shear wall 3, the connecting angle 3 is connected with an additional angle connecting steel bar through a connecting steel bar connecting plate, the connecting steel bar connecting plate connecting to the left side of the prefabricated shear wall 1, the prefabricated shear wall connecting steel bar connecting plate.
In addition, in the embodiment, the additional anchor bars 8 and the lower skin steel bars of the laminated slab have the same specification or are larger by one model; the thickness of the laminated slab prefabricated layer 6 is implemented according to the design or technical regulations, and is generally not less than 60 mm; the thickness of the laminated slab cast-in-place layer 4 is implemented according to design or technical specifications and is generally not less than 60 mm.
The prefabricated shear wall 1 is pre-buried two-way built-in fitting 2 when production in the mill, guarantees that two-way built-in fitting 2 is located the intermediate position of prefabricated shear wall 1 on the direction of height, and prefabricated shear wall thickness 200mm, and the prefabricated layer of superimposed sheet 6 is in the same place prefabricated plate end angle steel 7 is directly prefabricated through additional anchor bar 8 when the prefabrication of mill, and the equal specification of skin muscle under additional anchor bar 8 and the superimposed sheet to guarantee that the thickness of superimposed sheet prefabricated layer 6 is not less than 60 mm.
Of course, it should be noted that the laminated slab may be connected not only to one side of the bidirectional embedded part 2, but also to both left and right sides of the bidirectional embedded part 2.
The construction site vertical connection part of the prefabricated shear wall 1 on the upper layer and the lower layer of the prefabricated concrete structure is arranged at a windowsill above a floor, so that the continuity of the shear wall at the position of the elevation of the floor and the position with the maximum bending moment is ensured; when the shear wall 1 is prefabricated, two-way embedded parts 2 are arranged at the elevation position of the laminated slab at intervals along the length direction of the shear wall 1, the limb backs and the limb tips of the connecting angle steel 3 are welded with the two-way embedded parts 2 after the prefabricated shear wall 1 is installed in place, connecting piece additional steel bars 5 and prefabricated slab end angle steel 7 corresponding to upper and lower skin steel bars of the laminated slab are welded on the connecting angle steel 3, and effective connection of the laminated slab steel bars and the prefabricated shear wall 1 is guaranteed; the angle steel 3 directly serves as the support of the laminated plate, and temporary support does not need to be arranged when the laminated plate is installed.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (5)
1. A steel joint for connecting a shear wall and a laminated slab of an assembled concrete structure comprises the prefabricated shear wall and the laminated slab fixedly connected with the prefabricated shear wall, wherein the laminated slab comprises a prefabricated laminated slab layer and a cast-in-place laminated slab layer positioned on the upper part of the prefabricated laminated slab layer, the steel joint is characterized in that a plurality of two-way embedded parts distributed along the horizontal direction are embedded in the prefabricated shear wall, the two-way embedded parts are positioned at the elevation position of the laminated slab in the height direction of the prefabricated shear wall, two connecting ends of the two-way embedded parts are respectively connected with the inner end surface and the outer end surface of the prefabricated shear wall, connecting angle steel is fixedly connected with the end part of each two-way embedded part close to the laminated slab, additional anchor bars and prefabricated slab end angle steel fixedly connected with the additional anchor bars are embedded in the prefabricated slab layer, the prefabricated slab end angle steel is positioned at the end part of the prefabricated layer close, and the angle steel at the end of the prefabricated plate is fixedly connected with the connecting angle steel.
2. The fabricated concrete structure shear wall and composite slab connection steel node according to claim 1, wherein the bidirectional embedded part is composed of four connection steel bars and two connection steel plates fixedly connected to two ends of the four connection steel bars, and the two connection steel plates are fixedly connected to the inner end and the outer end of the precast shear wall respectively.
3. The fabricated concrete structure shear wall and composite slab connection steel node of claim 2, wherein the bidirectional embedded part is located in the middle of the height direction of the precast shear wall.
4. The fabricated concrete structure shear wall and laminated slab connection steel node according to claim 1 or 3, wherein an additional steel bar is arranged in the laminated slab cast-in-situ layer, and the additional steel bar is fixedly connected with a connection angle steel.
5. The fabricated concrete structure shear wall and composite slab connection steel node according to claim 4, wherein the precast slab end angle steel and the additional anchor steel are welded together, and the precast slab end angle steel and the additional anchor steel are welded together and located at one side of the precast shear wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921339989.3U CN210621920U (en) | 2019-08-19 | 2019-08-19 | Steel node is connected with superimposed sheet to assembled concrete structure shear force wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921339989.3U CN210621920U (en) | 2019-08-19 | 2019-08-19 | Steel node is connected with superimposed sheet to assembled concrete structure shear force wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210621920U true CN210621920U (en) | 2020-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201921339989.3U Withdrawn - After Issue CN210621920U (en) | 2019-08-19 | 2019-08-19 | Steel node is connected with superimposed sheet to assembled concrete structure shear force wall |
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| CN (1) | CN210621920U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110468955A (en) * | 2019-08-19 | 2019-11-19 | 山东建科信息技术有限公司 | A kind of prefabricated concrete structure shear wall connect steel node and construction method with superimposed sheet |
| CN112411842A (en) * | 2020-11-26 | 2021-02-26 | 华侨大学 | Prefabricated assembly type non-reinforced concrete shear wall-floor slab joint and construction method |
-
2019
- 2019-08-19 CN CN201921339989.3U patent/CN210621920U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110468955A (en) * | 2019-08-19 | 2019-11-19 | 山东建科信息技术有限公司 | A kind of prefabricated concrete structure shear wall connect steel node and construction method with superimposed sheet |
| CN110468955B (en) * | 2019-08-19 | 2024-06-28 | 山东维石筑工科技有限公司 | Steel joint for connecting shear wall and superimposed sheet of fabricated concrete structure and construction method |
| CN112411842A (en) * | 2020-11-26 | 2021-02-26 | 华侨大学 | Prefabricated assembly type non-reinforced concrete shear wall-floor slab joint and construction method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200915 Address after: 252000 V creation space 203, Kechuang building, No. 16, Huanghe Road, high tech Zone, Liaocheng City, Shandong Province Patentee after: Ming Xifeng Address before: 252000 702-703, Kechuang building, No. 16, Huanghe Road, Dongchangfu District, Liaocheng City, Shandong Province Patentee before: Shandong Jianke Information Technology Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201202 Address after: 252000 V creation space 203, Kechuang building, No. 16, Huanghe Road, high tech Zone, Liaocheng City, Shandong Province Patentee after: Shandong Weishi Construction Technology Co.,Ltd. Address before: 252000 V creation space 203, Kechuang building, No. 16, Huanghe Road, high tech Zone, Liaocheng City, Shandong Province Patentee before: Ming Xifeng |
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| TR01 | Transfer of patent right | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200526 Effective date of abandoning: 20240628 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200526 Effective date of abandoning: 20240628 |