CN108589801A - A kind of subway station combination anti-floating system and method - Google Patents
A kind of subway station combination anti-floating system and method Download PDFInfo
- Publication number
- CN108589801A CN108589801A CN201810515015.XA CN201810515015A CN108589801A CN 108589801 A CN108589801 A CN 108589801A CN 201810515015 A CN201810515015 A CN 201810515015A CN 108589801 A CN108589801 A CN 108589801A
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- China
- Prior art keywords
- main body
- column
- station
- capping beam
- station main
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/10—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against soil pressure or hydraulic pressure
- E02D31/12—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against soil pressure or hydraulic pressure against upward hydraulic pressure
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/18—Restraining of underground water by damming or interrupting the passage of underground water by making use of sealing aprons, e.g. diaphragms made from bituminous or clay material
Abstract
The invention discloses a kind of subway stations to combine anti-floating system, and subway station combination anti-floating system locates below ground level, including station main body, diaphram wall, capping beam, column and uplift pile；The both sides of station main body are respectively provided with diaphram wall, and capping beam is set to the top of station main body；Column is set to the bottom of station main body, and uplift pile is set to the bottom of column；Station main body, diaphram wall, capping beam, column, uplift pile integrated setting；The beneficial effects of the invention are as follows：In region of FuShui, station main body, diaphram wall, capping beam, column, uplift pile are arranged to integral structure, the water buoyancy that subway station bottom plate is born can be reduced, temporary support structures are become to a part for permanent anti-floating main body, it reduces conventional construction method and largely uses the usage amount of anti-float anchor rod, and project cost is greatly lowered.
Description
Technical field
The invention belongs to subway station anti-floating technical fields, and in particular to a kind of subway station combination anti-floating system and side
Method.
Background technology
With China's expanding economy, foundation pit and underground engineering more and more appear in offshore area and rich water soil layer,
The Anti-floating design of supporting and service stage to the deep foundation pit construction stage brings challenges.In recent years, integral structure design has become
For the research hotspot of construction industry, with advantages such as cost-effective, raising supporting intensity, easy constructions, gradually substitution is faced
When supporting construction in the status of underground engineering.Metro station excavation engineering border on the sea as subway engineering important component, at present
Still traditional gib mode is continued to use, since temporary support structures and waterproofing design cannot function as the one of station agent structure
Part, this design method cannot meet the integrated design and construction requirement of subway station base pit engineering, not only increase
The complexity of engineering, and subsequently also need to additional a large amount of anti-floating means and offset water buoyancy, cause increase and the material of cost
The waste of material.
Invention content
The purpose of the present invention is overcoming the deficiencies of existing technologies, a kind of subway station combination anti-floating system is provided, is solved
It needs additional a large amount of anti-floating means to offset water buoyancy, causes the increase of cost and the waste of material.
To solve the above-mentioned problems, the present invention is achieved by following technical scheme：
A kind of subway station combination anti-floating system, the subway station combination anti-floating system locates below ground level, including vehicle
Station owner's body, diaphram wall, capping beam, column and uplift pile；The both sides of the station main body are respectively provided with the diaphram wall,
The capping beam is set to the top of station main body；The column is set to the bottom of station main body, and the uplift pile is set to
The bottom of column；The station main body, the diaphram wall, the capping beam, the column, the uplift pile integration are set
It sets.The advantages of this kind of structure be it is simple in structure, it is economical.
More preferably, the station main body includes top plate and bottom plate and side wall；Between the top plate, the bottom plate described in setting
Side wall, the column are set to the bottom of the top plate.
More preferably, further include water-stop curtain, the water-stop curtain is set to the outside of the diaphram wall.
More preferably, the water-stop curtain, the diaphram wall top flushed with ground.
More preferably, further include backfill, the backfill is set between the capping beam and ground.
Anti-float method is combined in subway station, includes the following steps：
It is engaged one by one using the form of cement mixing pile and forms water-stop curtain, partition Metro station excavation construction area and week
Enclose the flow in the soil body；
After the completion of subway station main body, carry out the construction of diaphram wall and capping beam, station main body by capping beam with
Diaphram wall forms unified whole；
The construction for carrying out column and uplift pile, makes column be connected with station main body, as float Structure part of the whole.
The beneficial effects of the invention are as follows：In region of FuShui, by station main body, diaphram wall, capping beam, column, resistance to plucking
Stake is arranged to integral structure, can reduce the water buoyancy that subway station bottom plate is born, temporary support structures are become permanent anti-floating
A part for main body reduces conventional construction method and largely uses the usage amount of anti-float anchor rod, and project cost is greatly lowered.
Description of the drawings
Fig. 1 is the schematic diagram that anti-floating system is combined in subway station of the present invention.
The ground 01-, the stations 1- main body, 11- top plates, 12- bottom plates, 13- side walls, 2- diaphram walls, 3- capping beams, 4- are vertical
Column, 5- uplift piles, the water-bearing layers 6-, 7- water barriers, 8- water-stop curtains, 9- backfills.
Specific implementation mode
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
A kind of subway station combination anti-floating system, subway station combination anti-floating system are located at ground 01 hereinafter, including station
Main body 1, diaphram wall 2, capping beam 3, column 4 and uplift pile 5；The both sides of station main body 1 are respectively provided with diaphram wall 2, pressure
Top beam 3 is set to the top of station main body 1；Column 4 is set to the bottom of station main body 1, and uplift pile 5 is set to the bottom of column 4
Portion；Station main body 1, diaphram wall 2, capping beam 3, column 4,5 integrated setting of uplift pile.Float Structure includes station main body
1, diaphram wall 2, capping beam 3, column 4 and uplift pile 5.Column 4 is floating to balance the water in the water-bearing layer of station pit both sides
Power.
Station main body 1 includes top plate 11, bottom plate 12 and side wall 13；Side wall 13, column 4 are set between top plate 11, bottom plate 12
It is set to the bottom of top plate 11
Level of ground water includes water-bearing layer 6 and water barrier 7, and water barrier 7 is located at water-bearing layer 6 hereinafter, anti-floating is combined in subway station
Device extend into the water barrier 7 of underground.
The construction of diaphragm wall stage provides protective function as main supporting construction, for Deep Foundation Pit of Metro Stations.Pressure
The side wall of top beam 3, diaphram wall 2 and station main body 1 connects into an entirety, the part as float Structure.Column 4 is
Special-shaped column cap, special-shaped column cap anti-floating effect is good, and float Structure and the water buoyancy of station surrounding water is made to balance each other.
It further includes water-stop curtain 8 that anti-floating system is combined in subway station, and water-stop curtain 8 is set to the outside of diaphram wall 2.
Water-stop curtain 8, diaphram wall 2 top flushed with ground 01.Water-stop curtain 8 acts on the outside of diaphram wall 2, main
It is the level of ground water reduced under the bottom plate of subway station to act on, and reduces water buoyancy, is created conditions for later stage engineering construction.Sealing curtain
Curtain 8 is closed water-stop curtain.
It further includes backfill 9 that anti-floating system is combined in subway station, and backfill 9 is set between capping beam 3 and ground 01.
Anti-float method is combined in subway station, includes the following steps：
Be engaged one by one using the form of cement mixing pile and form water-stop curtain 8, partition Metro station excavation construction area with
Flow in surrounding soil, creates conditions for subsequent construction；
After subway station main body 1 completes, the construction of diaphram wall 2 and capping beam 3 is carried out, station main body 1 is by bearing down on one
Beam 3 forms unified whole with diaphram wall 2；
The construction for carrying out column 4 and uplift pile 5, makes column 4 be connected with station main body 1, and whole as float Structure one
Part.
The beneficial effects of the invention are as follows：In region of FuShui, by station main body, diaphram wall, capping beam, column, resistance to plucking
Stake is arranged to integral structure, can reduce the water buoyancy that subway station bottom plate is born, temporary support structures are become permanent anti-floating
A part for main body reduces conventional construction method and largely uses the usage amount of anti-float anchor rod, and project cost is greatly lowered.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, therefore
It is every without departing from technical solution of the present invention content, according to the technical essence of the invention to made by above example it is any modification,
Equivalent variations and modification, in the range of still falling within technical solution of the present invention.
Claims (6)
1. anti-floating system is combined in a kind of subway station, which is characterized in that the subway station combination anti-floating system be located at ground with
Under, including station main body, diaphram wall, capping beam, column and uplift pile；
The both sides of the station main body are respectively provided with the diaphram wall, and the capping beam is set to the top of station main body；
The column is set to the bottom of station main body, and the uplift pile is set to the bottom of column；
The station main body, the diaphram wall, the capping beam, the column, the uplift pile integrated setting.
2. anti-floating system is combined in subway station according to claim 1, which is characterized in that the station main body includes top
Plate, bottom plate and side wall；
The side wall is set between the top plate, the bottom plate, and the column is set to the bottom of the top plate.
3. anti-floating system is combined in subway station according to claim 1, which is characterized in that further include water-stop curtain, it is described
Water-stop curtain is set to the outside of the diaphram wall.
4. anti-floating system is combined in subway station according to claim 3, which is characterized in that the water-stop curtain, described
Continuous coping is flushed with ground down.
5. anti-floating system is combined in subway station according to claim 4, which is characterized in that further include backfill, described time
It bankets and is set between the capping beam and ground.
6. combining anti-float method according to the subway station described in claim 1 to 5, which is characterized in that include the following steps：
It is engaged one by one using the form of cement mixing pile and forms water-stop curtain, partition Metro station excavation construction area and surrounding soil
Flow in body；
After the main body completion of subway station, the construction of diaphram wall and capping beam is carried out, station main body passes through capping beam and underground
Diaphragm wall forms unified whole；
The construction for carrying out column and uplift pile, makes column be connected with station main body, as float Structure part of the whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810515015.XA CN108589801A (en) | 2018-05-25 | 2018-05-25 | A kind of subway station combination anti-floating system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810515015.XA CN108589801A (en) | 2018-05-25 | 2018-05-25 | A kind of subway station combination anti-floating system and method |
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| CN108589801A true CN108589801A (en) | 2018-09-28 |
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| CN201810515015.XA Pending CN108589801A (en) | 2018-05-25 | 2018-05-25 | A kind of subway station combination anti-floating system and method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273435A (en) * | 2019-04-18 | 2019-09-24 | 南京同力建设集团股份有限公司 | A kind of construction of city open trench tunnel |
| CN111305282A (en) * | 2020-04-06 | 2020-06-19 | 福建工程学院 | Subway station anti-floating system in weak water-rich stratum and construction method thereof |
| CN111809662A (en) * | 2020-07-21 | 2020-10-23 | 重鑫岩土技术(上海)有限公司 | Subway station underground structure combination construction method |
| CN112095665A (en) * | 2020-09-28 | 2020-12-18 | 中国建筑一局(集团)有限公司 | Water buoyancy balance construction method applied to subway upper cover |
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| CN105064397A (en) * | 2015-07-26 | 2015-11-18 | 北京工业大学 | Open excavation construction method for expanding excavation of station on metro interzone shield tunnel foundation |
| CN105089670A (en) * | 2015-07-26 | 2015-11-25 | 北京工业大学 | Construction method for enlarging and excavating subway station on basis of parallel interval shield tunnel |
| CN205776406U (en) * | 2016-05-31 | 2016-12-07 | 中铁第四勘察设计院集团有限公司 | A kind of encircling type underground structure covered back-digging waterproof construction |
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| CN107938701A (en) * | 2017-11-23 | 2018-04-20 | 上海建科工程咨询有限公司 | Subway station covered back-digging overlapping wall construction technology based on prefabricated ground-connecting-wall |
| CN208280190U (en) * | 2018-05-25 | 2018-12-25 | 广州市建筑科学研究院有限公司 | A kind of subway station combination anti-floating system |
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103953067A (en) * | 2014-04-14 | 2014-07-30 | 上海市政工程设计研究总院（集团）有限公司 | Foundation pit bracing and underground box type major structure integration structure and construction method thereof |
| CN104674846A (en) * | 2015-02-16 | 2015-06-03 | 济南轨道交通集团有限公司 | Construction method for evacuating subway station by prefabricated structure cover |
| CN105064397A (en) * | 2015-07-26 | 2015-11-18 | 北京工业大学 | Open excavation construction method for expanding excavation of station on metro interzone shield tunnel foundation |
| CN105089670A (en) * | 2015-07-26 | 2015-11-25 | 北京工业大学 | Construction method for enlarging and excavating subway station on basis of parallel interval shield tunnel |
| CN205776406U (en) * | 2016-05-31 | 2016-12-07 | 中铁第四勘察设计院集团有限公司 | A kind of encircling type underground structure covered back-digging waterproof construction |
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| CN107938701A (en) * | 2017-11-23 | 2018-04-20 | 上海建科工程咨询有限公司 | Subway station covered back-digging overlapping wall construction technology based on prefabricated ground-connecting-wall |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273435A (en) * | 2019-04-18 | 2019-09-24 | 南京同力建设集团股份有限公司 | A kind of construction of city open trench tunnel |
| CN111305282A (en) * | 2020-04-06 | 2020-06-19 | 福建工程学院 | Subway station anti-floating system in weak water-rich stratum and construction method thereof |
| CN111809662A (en) * | 2020-07-21 | 2020-10-23 | 重鑫岩土技术(上海)有限公司 | Subway station underground structure combination construction method |
| CN112095665A (en) * | 2020-09-28 | 2020-12-18 | 中国建筑一局(集团)有限公司 | Water buoyancy balance construction method applied to subway upper cover |
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