CN211898543U - Anti-floating system for connecting subway station structure and underground diaphragm wall by using shear steel bars - Google Patents
Anti-floating system for connecting subway station structure and underground diaphragm wall by using shear steel bars Download PDFInfo
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- CN211898543U CN211898543U CN201922328440.0U CN201922328440U CN211898543U CN 211898543 U CN211898543 U CN 211898543U CN 201922328440 U CN201922328440 U CN 201922328440U CN 211898543 U CN211898543 U CN 211898543U
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Abstract
The utility model relates to an utilize anti system of floating of shear reinforcement connection subway station structure and ground even wall, including the main structure bottom plate of ground even wall and its one side, in the ground even the inside shear reinforcement that sets up in wall side and plug into the ware at its tip installation reinforcing bar, correspond the position in the main structure bottom plate and set up shear reinforcement and be connected into the reinforcing bar and plug into the ware on, the reinforcing bar plug into the ware has connected the ground even shear reinforcement in the wall and the shear reinforcement of main structure bottom plate realize anti floating. Compared with the conventional anti-floating redundant system of the capping beam or the bottom capping beam, the anti-floating system saves the manufacturing cost and has simple structure; in addition, the anti-floating system is generally positioned in the ground water level soaked for a long time, and is better in corrosion resistance than the conventional capping beam positioned in a dry-wet alternative position.
Description
Technical Field
The utility model belongs to the technical field of subway station foundation ditch engineering, concretely relates to utilize anti system of floating of shear reinforcement connection subway station structure and ground even wall.
Background
At present, more and more cities are building the subway station, and subway station's anti floating is the technical problem that the subway was built and must be solved, and most stations set up the capping beam through more than the station roof, set up the pressure floorbar with the station bottom plate position of attached wind channel access & exit kneck and realize anti floating, and no matter be capping beam or pressure floorbar essence all be through the anti floating that realizes of the shear reinforcement between station main part and the ground wall.
Disclosure of Invention
The utility model aims at providing an utilize anti system of floating of shear reinforcement connection subway station structure and ground even wall, directly through shear reinforcement connection subway station structure bottom plate and ground even wall, guarantee the integrality of waterproof system.
The utility model discloses the technical scheme who adopts does:
the utility model provides an utilize anti system of floating of shear reinforcement connection subway station structure and ground even wall, includes the major structure bottom plate of ground even wall and its one side, its characterized in that:
the shear steel bars are arranged inside the side faces of the underground diaphragm wall, the steel bar connector is arranged at the end part of the underground diaphragm wall, the shear steel bars are arranged at the corresponding positions of the main structure bottom plate and connected to the steel bar connector, and the steel bar connector is connected with the shear steel bars in the underground diaphragm wall and the shear steel bars of the main structure bottom plate to achieve anti-floating.
The shear steel bars in the diaphragm wall and the shear steel bars of the main structure bottom plate are arranged horizontally.
The reinforcing steel bar connector is positioned in the wall body of the ground connection wall.
And roughening the side surface of the diaphragm wall and painting cement-based capillary crystalline waterproof paint.
The inner end of the shear steel bar in the diaphragm wall is provided with a bent foot.
The shear steel bars in the reinforcing bar connector, the ground is wall even and the shear steel bars of the main structure bottom plate form a horizontal anti subassembly that floats, sets up two sets from top to bottom, and the knee of the shear steel bars in the wall is buckled to the top ground even, and the knee of the shear steel bars in the wall is buckled downwards to the below ground even.
The utility model has the advantages of it is following:
the utility model provides an anti-floating system which utilizes shear steel bars to connect a subway station structure and a ground connecting wall, compared with the conventional anti-floating redundant system of a capping beam or a bottoming beam, the anti-floating system saves the manufacturing cost and has simple structure; in addition, the anti-floating system is generally positioned in the ground water level soaked for a long time, and is better in corrosion resistance than the conventional capping beam positioned in a dry-wet alternative position.
Drawings
Fig. 1 is a detailed view of a station bottom plate and ground connecting wall connecting node.
In the figure, 1-ground connecting wall, 2-embedded steel bar connector, 3-main structure bottom plate, 4-shear steel bar and 5-cement-based permeable crystalline waterproof coating.
Detailed Description
The present invention will be described in detail with reference to the following embodiments.
The utility model relates to an utilize anti system of floating of shear reinforcement connection subway station structure and ground even wall, including the ground even wall 1 and the major structure bottom plate 3 of one side thereof, in the ground even wall 1 side inside set up shear reinforcement 4 and plug into ware 2 at its tip installation reinforcing bar, set up shear reinforcement 4 and be connected into the reinforcing bar connector 2 in major structure bottom plate 3 corresponding position, the reinforcing bar connector 2 has been connected the ground and has been even shear reinforcement 4 in wall 1 and major structure bottom plate 3 shear reinforcement 4 realization anti-floating.
The inner end of the shear steel bar 4 in the underground diaphragm wall 1 is provided with a bent foot. The anti subassembly that floats of shearing reinforcing bar 4 and major structure bottom plate 3 shearing reinforcing bar 4 constitution horizontal in reinforcing bar connector 2, the even wall in ground 1 sets up two sets ofly from top to bottom, and the curved foot of shearing reinforcing bar 4 upwards buckles in the even wall in the ground 1 in the top, and the curved foot of shearing reinforcing bar 4 downwards buckles in the even wall 1 in the below.
The construction method of the anti-floating system for connecting the subway station structure and the underground diaphragm wall by using the shear steel bars is realized by the following steps:
the method comprises the following steps: when the reinforcement cage of the ground connection wall 1 is constructed, the reinforcement connectors 2 are embedded at the positions of the reinforcement cage and the main structure bottom plate 3, and concrete of the ground connection wall is poured;
step two: after the foundation pit is closed, excavating the foundation pit, excavating to the position of a main body bottom plate 3 of a station, chiseling and cleaning the surface of the underground diaphragm wall 1 at the height of the main body bottom plate 3, brushing cement-based capillary crystalline waterproof coating 4, and connecting shear-resistant steel bars 4 of the main body structure bottom plate 3 with a steel bar connector 2 at the side of the underground diaphragm wall 1;
step three: the whole station structure is constructed, after the structure reaches the design strength and the earthing is backfilled, the anti-floating is realized by the shear steel bars 4 through the structure dead weight, the earthing dead weight and the ground connecting wall side friction resistance.
The content of the present invention is not limited to the examples, and any equivalent transformation adopted by the technical solution of the present invention is covered by the claims of the present invention by those skilled in the art through reading the present invention.
Claims (6)
1. The utility model provides an utilize anti system of floating of shear reinforcement connection subway station structure and ground even wall, includes that ground even wall (1) and major structure bottom plate (3) of its one side, its characterized in that:
the shear steel bars (4) are arranged inside the side face of the ground connection wall (1) and the steel bar connector (2) is installed at the end of the ground connection wall, the shear steel bars (4) are arranged at the corresponding positions of the main structure bottom plate (3) and are connected to the steel bar connector (2), and the shear steel bars (4) in the ground connection wall (1) and the shear steel bars (4) of the main structure bottom plate (3) are connected by the steel bar connector (2) to achieve anti-floating.
2. The anti-floating system for connecting a subway station structure and a diaphragm wall by using shear steel bars as claimed in claim 1, wherein:
the shear steel bars (4) in the underground diaphragm wall (1) and the shear steel bars (4) of the main structure bottom plate (3) are arranged horizontally.
3. The anti-floating system for connecting a subway station structure and a diaphragm wall by using shear steel bars as claimed in claim 1, wherein:
the steel bar connector (2) is positioned in the wall body of the ground connecting wall (1).
4. The anti-floating system for connecting a subway station structure and a diaphragm wall by using shear steel bars as claimed in claim 1, wherein:
the side surface of the underground diaphragm wall (1) is provided with chisels and is coated with cement-based capillary crystalline waterproof paint (5).
5. The anti-floating system for connecting a subway station structure and a diaphragm wall by using shear steel bars as claimed in claim 1, wherein:
the inner end of the shear steel bar (4) in the underground diaphragm wall (1) is provided with a bent foot.
6. The anti-floating system for connecting a subway station structure and a diaphragm wall by using shear steel bars as claimed in claim 5, wherein:
the shear steel bars (4) in the steel bar connector (2) and the ground connecting wall (1) and the shear steel bars (4) of the main structure bottom plate (3) form a horizontal anti-floating assembly, the upper and the lower parts are two groups, the bent feet of the shear steel bars (4) in the top ground connecting wall (1) are bent upwards, and the bent feet of the shear steel bars (4) in the lower ground connecting wall (1) are bent downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922328440.0U CN211898543U (en) | 2019-12-23 | 2019-12-23 | Anti-floating system for connecting subway station structure and underground diaphragm wall by using shear steel bars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922328440.0U CN211898543U (en) | 2019-12-23 | 2019-12-23 | Anti-floating system for connecting subway station structure and underground diaphragm wall by using shear steel bars |
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| CN211898543U true CN211898543U (en) | 2020-11-10 |
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| CN201922328440.0U Active CN211898543U (en) | 2019-12-23 | 2019-12-23 | Anti-floating system for connecting subway station structure and underground diaphragm wall by using shear steel bars |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111058479A (en) * | 2019-12-23 | 2020-04-24 | 中铁第一勘察设计院集团有限公司 | Anti-floating system for connecting subway station structure and underground diaphragm wall by using shear-resistant steel bars |
| CN113216253A (en) * | 2021-05-13 | 2021-08-06 | 中铁上海工程局集团有限公司 | Pre-buried construction method for embedding top plate of cover-excavation top-down construction structure into underground diaphragm wall |
-
2019
- 2019-12-23 CN CN201922328440.0U patent/CN211898543U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111058479A (en) * | 2019-12-23 | 2020-04-24 | 中铁第一勘察设计院集团有限公司 | Anti-floating system for connecting subway station structure and underground diaphragm wall by using shear-resistant steel bars |
| CN113216253A (en) * | 2021-05-13 | 2021-08-06 | 中铁上海工程局集团有限公司 | Pre-buried construction method for embedding top plate of cover-excavation top-down construction structure into underground diaphragm wall |
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