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CN106759268B - Deep layer subway station enclosed structure seepage channel device and method - Google Patents

Deep layer subway station enclosed structure seepage channel device and method Download PDF

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Publication number
CN106759268B
CN106759268B CN201710108433.2A CN201710108433A CN106759268B CN 106759268 B CN106759268 B CN 106759268B CN 201710108433 A CN201710108433 A CN 201710108433A CN 106759268 B CN106759268 B CN 106759268B
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China
Prior art keywords
melting point
low melting
conductive plate
point conductive
liquid storage
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CN201710108433.2A
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Chinese (zh)
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CN106759268A (en
Inventor
李罡
王国富
沈水龙
路林海
胡冰冰
王倩
王会刚
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Jinan Rail Transit Group Co Ltd
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Jinan Rail Transit Group Co Ltd
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Priority to CN201710108433.2A priority Critical patent/CN106759268B/en
Publication of CN106759268A publication Critical patent/CN106759268A/en
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/20Bulkheads or similar walls made of prefabricated parts and concrete, including reinforced concrete, in situ
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D19/00Keeping dry foundation sites or other areas in the ground
    • E02D19/06Restraining of underground water
    • E02D19/12Restraining of underground water by damming or interrupting the passage of underground water
    • E02D19/18Restraining 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
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/002Ground foundation measures for protecting the soil or subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/004Sealing liners
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2200/00Geometrical or physical properties
    • E02D2200/17Geometrical or physical properties including an electric conductive element

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Structural Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)
  • Railway Tracks (AREA)

Abstract

The invention discloses deep layer subway station enclosed structure seepage channel device and methods, it solves the construction because of subway station in the prior art, lead to the deficiency that seepage action of ground water is truncated, realize soluble curtain device, reduce the influence to Groundwater Flow after constructing to water-stop curtain, concrete scheme is deep layer subway station enclosed structure seepage channel device, including:The steel reinforcement cage of low melting point conductive plate, low melting point conductive plate and ground-connecting-wall is fixed, and as the steel reinforcement cage of ground-connecting-wall is lowered to the hole slot of ground-connecting-wall, and low melting point conductive plate carries conducting wire, and conducting wire is connect with power supply;Liquid storage box for storing liquid after low melting point conductive plate melts, liquid storage box is set to the bottom of low melting point conductive plate side, and after the completion of waiting for Metro Station Structure, power supply melts low melting point conductive plate by conducting wire, to restore the channel of seepage action of ground water.

Description

Deep layer subway station enclosed structure seepage channel device and method
Technical field
In constructing the present invention relates to building field more particularly to subway station enclosed structure, more particularly to deep layer subway Station maintenance structure seepage channel device and method.
Background technology
With the rise of Process of Urbanization Construction, more and more cities proceed by Metro Construction.Subway station is buried In underground, need first excavation pit before pouring, and foundation pit end before since underground water is more, to ensure excavation of foundation pit operation Safety generally requires first to set ground-connecting-wall as water-stop curtain.As soon as many places subway station is often arranged in subway line, accordingly It needs to set many places ground-connecting-wall.The setting of ground-connecting-wall is safe particularly important for ensureing during foundation pit construction, however since ground connects Wall construction depth is often very deep, also results in permanent influence to zonal Groundwater Flow once performing, has blocked ground The lower original glide path of water, polluted underground water, and underground water for a long time washes away ground-connecting-wall, be easy to influence ground-connecting-wall And the service life of subway station.
Invention content
For overcome the deficiencies in the prior art, the present invention provides deep layer subway station enclosed structure seepage channel device, The device, by the way that soluble curtain device is arranged, is reduced to water-stop curtain in the case where ensureing construction environment safety in foundation pit To the influence of Groundwater Flow after construction.
The program is specific as follows:
Deep layer subway station enclosed structure seepage channel device, including:
The steel reinforcement cage of low melting point conductive plate, low melting point conductive plate and ground-connecting-wall is fixed, and with the steel reinforcement cage quilt of ground-connecting-wall In decentralization to the hole slot of ground-connecting-wall, and low melting point conductive plate carries conducting wire, and conducting wire is connect with power supply;
Liquid storage box for storing liquid after low melting point conductive plate melts, liquid storage box are set to the bottom of low melting point conductive plate side Portion, after the completion of waiting for Metro Station Structure, power supply melts low melting point conductive plate by conducting wire, to restore the channel of seepage action of ground water.
Above-mentioned seepage channel device, by the fixation of steel reinforcement cage and low melting point conductive plate, low melting point conductive plate is set to ground At the estimated contact point with underground water of lower diaphragm wall, after the completion of subway station, low melting point conductive plate can be carried out to be melted in storage In liquid box, soluble curtain arrangement is realized, after thawing, underground water is flowed through by the steel reinforcement cage of diaphragm wall, to not influence underground The flowing of water.
The first metalling is arranged in the side that the first metalling i.e. ground-connecting-wall are arranged in the side of low melting point conductive plate, with Pass through convenient for groundwater flow;
Further, liquid storage box is set to the other side of low melting point conductive plate, and after excavation of foundation pit, storage is arranged in foundation pit Liquid box.
The low melting point conductive plate is low melting point conduction sheet tin, and the fusing point of sheet tin is in 180 degrees centigrades, in heavy current Effect is lower, it can be achieved that melting.
In order to ensure the seepage flow of underground water, the second metalling is set at the top of the liquid storage box, for ensureing later stage underground water Smooth circulation, subway station be set to the second metalling above.
The bottom of the liquid storage box is concordant with low melting point conductive plate, and low melting point conductive plate bottom is higher than the upper table of liquid storage box Face or the both sides of liquid storage box setting opening enter liquid storage box in order to the low melting point conductive plate of thawing by opening, and opening is set In the top of liquid storage box, the plate being obliquely installed is set in liquid storage box opening, after low melting point conductive plate melts, by inclined Plate is flowed into liquid storage box.
The conducting wire of the low melting point conductive plate is set to the excavation of foundation pit side of ground-connecting-wall, is convenient in Excavation Process, Facilitate the conducting wire for taking out low melting point conductive plate.
The low melting point conductive plate is preferably provided thereon table with liquid storage box by sealing glue connection, the opening of liquid storage box Face, in order to which the conductive plate to thawing is collected.
In order to avoid influence of the construction to underground water of underground engineering such as subway station, the present invention also provides a kind of maintenances The method of seepage action of ground water structure, this method can effectively avoid the pollution to soil, ensure the mobility of underground water.
A method of it safeguarding seepage action of ground water structure, is as follows:
1) the low melting point conductive plate with high-current conductor is fixed with steel reinforcement cage, decentralization steel reinforcement cage is continuous to underground In the hole slot of wall;
2) steel reinforcement cage is poured to form ground-connecting-wall, wherein it is poured in the side up and down of low melting point conductive plate, because When concrete has mobility to pour, periphery concrete can flow into the downside of conductive plate;
3) excavation pit, and liquid storage box is laid in foundation pit, liquid storage box is connect with low melting point conductive plate;
4) it constructs to subway station or deep-foundation pit engineering at the top of liquid storage box;
5) after the completion of waiting for Metro Station Structure, low melting point conductive plate is melted by high-current conductor, is oozed with restoring underground water The channel of stream.
After steel reinforcement cage is transferred to hole slot in the step 1), being launched in the side of low melting point conductive plate has the first rubble Layer;
Second metalling is set in the step 4) at the top of liquid storage box, and subway station is set at the top of the second metalling.
When in the step 4) to metro station construction, the high-current conductor of low melting point conductive plate is introduced into subway station In structure.
Compared with prior art, the beneficial effects of the invention are as follows:
1) present invention is by using low melting point conduction sheet tin replacing section diaphragm wall, and after the completion of construction, low melting point is conductive Sheet tin, which is melted, realizes the reserved of later stage seepage channel.
2) present invention realizes the storage after low melting point conduction sheet tin melts by the way that liquid storage box is arranged, and avoids to soil Pollution.
3) present invention setting unit metalling on the outside of subway station bottom and ground-connecting-wall, it is ensured that Groundwater Flow, Avoid the obstruction of seepage channel.
Description of the drawings
The accompanying drawings which form a part of this application are used for providing further understanding of the present application, and the application's shows Meaning property embodiment and its explanation do not constitute the improper restriction to the application for explaining the application.
Application schematic diagram of Fig. 1 seepage channel devices of the present invention in metro station construction;
Fig. 2 is enclosed structure seepage channel schematic device in deep layer subway station of the present invention;
In figure, 1, high-current conductor, 2, steel reinforcement cage, 3, low melting point conduction sheet tin, 4, liquid storage box, 5, rubble, 6, ground-connecting-wall, 7, subway station, 8, building construction, 10, power supply.11, underground water.
Specific implementation mode
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific implementation mode, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
As background technology is introduced, deficiency exists in the prior art, in order to solve technical problem as above, the application Propose deep layer subway station enclosed structure seepage channel device.
In a kind of typical embodiment of the application, the present invention provides as shown in Fig. 2, knot is safeguarded in deep layer subway station Structure seepage channel device, including:
The steel reinforcement cage 2 of low melting point conductive plate, low melting point conductive plate and ground-connecting-wall is fixed, it is generally the case that low melting point is conductive Plate is in the medium position of steel reinforcement cage 2, is determined according to the position of underground water, and low melting point conductive plate is vertically arranged, and with The steel reinforcement cage of ground-connecting-wall 6 is lowered to the hole slot of ground-connecting-wall, and low melting point conductive plate is high-current conductor 1 with conducting wire, is led Line is connect with power supply 10;To subway station 7, ground-connecting-wall should be all arranged in both sides, then the steel reinforcement cage of both sides ground-connecting-wall all should be with One low melting point conductive plate is fixed.
Liquid storage box 4 for storing liquid after low melting point conductive plate melts, liquid storage box 4 are set to low melting point conductive plate side Bottom, because ground-connecting-wall is all arranged in subway station both sides, therefore, liquid storage box 4 should be set to the space between two low melting point conductive plates, After the completion of waiting for 7 structure of subway station, power supply melts low melting point conductive plate by conducting wire, to restore the channel of seepage action of ground water.
Above-mentioned seepage channel device, by the fixation of steel reinforcement cage and low melting point conductive plate, low melting point conductive plate is set to ground At the estimated contact point with underground water of lower diaphragm wall, after the completion of subway station, low melting point conductive plate can be carried out to be melted in storage In liquid box, soluble curtain arrangement is realized, after the thawing of low melting point conductive plate, underground water is flowed through by the steel reinforcement cage of diaphragm wall, To not influence the flowing of underground water.
In order to not influence subsurface flow, it is arranged the one of the first metalling i.e. ground-connecting-wall in the side of low melting point conductive plate The first metalling is arranged in side, in order to ensure the seepage flow of underground water, the second metalling is arranged at the top of the liquid storage box, after ensureing The smooth circulation of phase underground water, subway station are set to above the second metalling;And first metalling low melting point conductive plate melt Afterwards, as shown in Figure 1, facilitating the steel reinforcement cage that flow enters ground-connecting-wall by the first metalling, then by the second metalling after It is revert to normal flow, underground water 11 is first guided, the normal of script underground water 11 is revert to by the lower part of subway station again In glide path, the extent of the destruction to water source is reduced.
In addition, for the collection to conductive plate material after thawing, liquid storage box is set to the other side of low melting point conductive plate, passes through After excavation of foundation pit, liquid storage box is set in foundation pit.
In the most typical embodiment of the application, the low melting point conductive plate is low melting point conduction sheet tin 3, and the fusing point of sheet tin exists 180 ° or so, conductive sheet tin is under the action of heavy current, it can be achieved that melting.
It can enter in liquid storage box after melting for the ease of conductive sheet tin, the both sides setting of the liquid storage box is open in order to melt The low melting point conductive plate of change enters liquid storage box by opening, and opening is set on the top of liquid storage box, the width of opening and conductive sheet tin It is of same size.
The conducting wire of the low melting point conductive plate is set to the excavation of foundation pit side of ground-connecting-wall, is convenient in Excavation Process, Facilitate the conducting wire for taking out low melting point conductive plate.
The low melting point conductive plate is preferably provided thereon table with liquid storage box by sealing glue connection, the opening of liquid storage box Face, in order to which the conductive plate material to thawing is collected.
Another typical embodiment of the application is to provide a kind of method for safeguarding seepage action of ground water structure, this method it is specific Steps are as follows:
1) hole slot of diaphram wall 6 is performed, hole slot carries out expansion appropriate than ground-connecting-wall size;
2) the seepage channel position of design by with insulating sleeve by the reinforcing bar 2 of low melting point conduction sheet tin 3 and ground-connecting-wall Together, 1 suitable protecting of high-current conductor of band on low melting point conduction sheet tin 3 is attached to close to the side of excavation of foundation pit for binding, It is dug out when facilitating excavation of foundation pit;
3) steel reinforcement cage with low melting point conduction sheet tin 3 is transferred to designed elevation, the outside of low melting point conduction sheet tin 3, which is thrown, to be set First metalling, casting concrete form ground-connecting-wall;
4) excavation pit removes the soil at low melting point conduction sheet tin, digs out high-current conductor 1, is laid with liquid storage box 4, storage The size of liquid box only both-side opening, liquid storage box both sides and the glue connection of low melting point conduction sheet tin 3, liquid storage box 4 is that low melting point is conductive 3 times or more of volume after sheet tin melts;
5) it is laid with the second metalling 5 on the top of 4 upper cover plate of liquid storage box and ensures that flow is logical for the later stage, in the second metalling Top normally pour subway station or deep-foundation pit engineering, pay attention to the high-current conductor of low melting point conduction sheet tin in casting process 1 introduces Metro Station Structure;
6) after the completion of waiting for Metro Station Structure, low melting point is melted for the heavy current power supply 10 of conductive exothermal by access and is led Electric sheet tin 3, and then restore the channel of the seepage flow of underground water 11.
It can be seen from the above description that the application the above embodiments realize following technique effect:
1) the application is by fixing the steel reinforcement cage of low melting point conduction sheet tin and diaphragm wall, replacing section diaphragm wall, on ground After the completion of iron station construction, conductive sheet tin is melted, and because steel reinforcement cage is hollow out, former underground water can continue to carry out according to former route Flowing forms soluble curtain device, reduces the influence to Groundwater Flow after constructing to water-stop curtain.
2) by the way that after the completion of excavation of foundation pit, liquid storage box is arranged, liquid storage box realizes low melting point conduction sheet tin and melts the application Storage after change avoids the pollution to soil.
3) the application setting unit metalling on the outside of subway station bottom and ground-connecting-wall, ensure that the flowing of underground water Property, avoid the obstruction of seepage channel.
The foregoing is merely the preferred embodiments of the application, are not intended to limit this application, for the skill of this field For art personnel, the application can have various modifications and variations.Within the spirit and principles of this application, any made by repair Change, equivalent replacement, improvement etc., should be included within the protection domain of the application.

Claims (10)

1. deep layer subway station enclosed structure seepage channel device, it is characterised in that:Including:
The steel reinforcement cage of low melting point conductive plate, low melting point conductive plate and ground-connecting-wall is fixed, and is lowered with the steel reinforcement cage of ground-connecting-wall To the hole slot of ground-connecting-wall, and low melting point conductive plate carries conducting wire, and conducting wire is connect with power supply;
Liquid storage box for storing liquid after low melting point conductive plate melts, liquid storage box are set to the bottom of low melting point conductive plate side, After the completion of waiting for Metro Station Structure, power supply melts low melting point conductive plate by conducting wire, to restore the channel of seepage action of ground water.
2. enclosed structure seepage channel device in deep layer subway station according to claim 1, it is characterised in that:In low melting point The first metalling is arranged in order to which groundwater flow passes through in the side of conductive plate;
Further, liquid storage box is set to the other side of low melting point conductive plate.
3. enclosed structure seepage channel device in deep layer subway station according to claim 1, it is characterised in that:The eutectic Point conductive plate is low melting point conduction sheet tin.
4. enclosed structure seepage channel device in deep layer subway station according to claim 1, it is characterised in that:The liquid storage Second metalling is set at the top of box, and subway station is set to above the second metalling.
5. enclosed structure seepage channel device in deep layer subway station according to claim 1, it is characterised in that:The liquid storage The both sides setting opening of box enters liquid storage box in order to the low melting point conductive plate of thawing by opening.
6. enclosed structure seepage channel device in deep layer subway station according to claim 1, it is characterised in that:The eutectic The conducting wire of point conductive plate is set to the excavation of foundation pit side of ground-connecting-wall.
7. enclosed structure seepage channel device in deep layer subway station according to claim 5, it is characterised in that:The eutectic Point conductive plate is with liquid storage box by sealing glue connection.
8. a kind of method for safeguarding seepage action of ground water structure, it is characterised in that:It is as follows:
1) the low melting point conductive plate with high-current conductor is fixed with steel reinforcement cage, decentralization steel reinforcement cage to diaphram wall In hole slot;
2) steel reinforcement cage is poured to form ground-connecting-wall;
3) excavation pit, and liquid storage box is laid in foundation pit, liquid storage box is connect with low melting point conductive plate;
4) it constructs to subway station or deep-foundation pit engineering at the top of liquid storage box;
5) after the completion of waiting for Metro Station Structure, low melting point conductive plate is melted by high-current conductor, to restore seepage action of ground water Channel.
9. a kind of method for safeguarding seepage action of ground water structure according to claim 8, it is characterised in that:In the step 1) It is middle steel reinforcement cage is transferred into hole slot after, low melting point conductive plate side launch have the first metalling;
Second metalling is set in the step 4) at the top of liquid storage box, and subway station is set at the top of the second metalling.
10. a kind of method for safeguarding seepage action of ground water structure according to claim 8, it is characterised in that:The step 4) In to metro station construction when, the high-current conductor of low melting point conductive plate is introduced into Metro Station Structure.
CN201710108433.2A 2017-02-27 2017-02-27 Deep layer subway station enclosed structure seepage channel device and method Active CN106759268B (en)

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Application Number Priority Date Filing Date Title
CN201710108433.2A CN106759268B (en) 2017-02-27 2017-02-27 Deep layer subway station enclosed structure seepage channel device and method

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Application Number Priority Date Filing Date Title
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CN106759268B true CN106759268B (en) 2018-08-31

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113006112B (en) * 2021-03-12 2022-09-27 上海市隧道工程轨道交通设计研究院 A method of forming aqueducts around underground stations
CN113294205B (en) * 2021-03-31 2023-01-31 济南轨道交通集团有限公司 Underground water flow guide structure of subway station and construction method
CN114960743B (en) * 2022-04-19 2024-02-09 山东建筑大学 Water-through subway station and construction method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0991820A1 (en) * 1997-06-23 2000-04-12 Netlon Limited Electrically-conducting element
CN102099531A (en) * 2008-07-19 2011-06-15 普罗吉欧监控技术有限公司 Method and device for checking the seal of structural seals
CN102733405A (en) * 2012-02-24 2012-10-17 中国科学院寒区旱区环境与工程研究所 Method for reducing temperature of frozen earth and preventing water catchment in pit for permafrost region

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0991820A1 (en) * 1997-06-23 2000-04-12 Netlon Limited Electrically-conducting element
CN102099531A (en) * 2008-07-19 2011-06-15 普罗吉欧监控技术有限公司 Method and device for checking the seal of structural seals
CN102733405A (en) * 2012-02-24 2012-10-17 中国科学院寒区旱区环境与工程研究所 Method for reducing temperature of frozen earth and preventing water catchment in pit for permafrost region

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