CN107191207B - A kind of station bottom water shutoff construction method and station bottom water shutoff construction - Google Patents
A kind of station bottom water shutoff construction method and station bottom water shutoff construction Download PDFInfo
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- CN107191207B CN107191207B CN201710565009.0A CN201710565009A CN107191207B CN 107191207 B CN107191207 B CN 107191207B CN 201710565009 A CN201710565009 A CN 201710565009A CN 107191207 B CN107191207 B CN 107191207B
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- 238000010276 construction Methods 0.000 title claims abstract description 85
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 81
- 238000010008 shearing Methods 0.000 claims abstract description 14
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 11
- 238000007667 floating Methods 0.000 claims abstract description 8
- 230000005641 tunneling Effects 0.000 claims description 26
- 238000009412 basement excavation Methods 0.000 claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 239000011435 rock Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 210000000988 bone and bone Anatomy 0.000 claims 1
- 238000001556 precipitation Methods 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 7
- 239000002689 soil Substances 0.000 description 6
- 239000003673 groundwater Substances 0.000 description 5
- 239000002002 slurry Substances 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000003389 potentiating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/107—Reinforcing elements therefor; Holders for the reinforcing elements
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The invention discloses a kind of station bottom water shutoff construction method and the water shutoffs of station bottom to construct, the construction method include working face channel construction before prepare, the contents such as the construction in working face channel and the construction of lateral both wings water-stop curtain.Station bottom water shutoff construction includes working face channel and working face channel in, AT STATION below bottom plate in the middle part of the lateral both wings water-stop curtain laterally constructed, lateral both wings water-stop curtain formation inverted-triangular curtain structure.Reinforcing bar is inserted into the rotary churning pile of lateral both wings water-stop curtain to improve the shearing strength and anti-floating ability of structure.The water shutoff construction of the present invention avoids a large amount of precipitation when underground space development, protects water resource, has saved electric power, environmentally protective.Construction method of the present invention is simple, and controllability is strong, and cost is relatively low, solves the problems, such as the bottom waterstop of big cross section underground space development in water rich strata.
Description
Technical field
The present invention relates to underground space construction field, especially a kind of subway station bottom waterstop water shutoff construction method and its
Bottom seal water structure.
Background technology
As traffic is increasingly crowded, the underground space is built more and more and increasingly deeper.When subway station yet to be built is in richness
It is conventional that excavation construction is ensured using dewatering operation when water or pressure-bearing water environment.But a large amount of precipitation easily cause earth's surface and periphery structure
Build the sedimentation and deformation of object and the excessive exploitation of groundwater resources.With the raising of environmental consciousness, some local governments start over the ground
Considered critical is made in lower water exploitation.To protect groundwater resources, various regions to formulate stringent control groundwater mining and limited and exploited
The laws and regulations of range, and expand groundwater recharge work.In order to avoid groundwater overdraft, carried out by curtain structure
Sealing is a kind of preferable method, but routine applies water-stop curtain from earth's surface and not only involves great expense, but also occupies spatial surface.With
The increase of underground space Exploitation Depth, the effect of sealing is also worse and worse.
Invention content
The object of the present invention is to provide a kind of station bottom water shutoff construction methods and the water shutoff of station bottom to construct, and to solve existing
There is subway station bottom waterstop structural cost expensive, occupies spatial surface, and with the increase of underground space development depth, only
The effect of water also technical problem worse and worse.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of station bottom water shutoff construction method, construction procedure are as follows：
Step 1, the case where construction according to water shutoff around the position in underground station tunnel yet to be built, country rock situation and tunnel, if
The excavation route and depth, the excavation route in working face channel and depth and lateral both wings water-stop curtain of dark-excavated passageway are counted,
The vertical angle that middle transverse direction both wings water-stop curtain is formed with horizontal plane is required to calculate and be determined according to Anti-floating design；
Step 2 excavates dark-excavated passageway：From earth's surface, dark-excavated passageway is excavated in the outside of water shutoff construction downwards, around tunnel,
The construction of the dark-excavated passageway includes the construction of the construction and tunneling vertical passageway of tunneling horizontal channel,
The dark-excavated passageway includes tunneling vertical passageway and tunneling horizontal channel, and the tunneling vertical passageway is located at tunnel week
The projected depth position for sealing the outside of water construction, being excavated to vertically downwards from earth's surface below underground station tunnel yet to be built, from secretly
The bottom end for digging vertical passageway is to excavate starting point, towards underground station tunnel excavation tunneling horizontal channel yet to be built, and tunneling level is logical
The axis in road and the axis in underground station tunnel yet to be built keep spatial vertical, and the front end of tunneling horizontal channel extends to underground yet to be built
Below the bottom plate of station tunnel；
Step 3, to be the excavation starting point in working face channel inside the front end of tunneling horizontal channel, changed course is along yet to be built
The excavation length in debarkation stop tunnel longitudinal direction excavated surface channel, working face channel extends beyond entire underground station tunnel yet to be built
Length and be excavated to the lower section that water shutoff around tunnel constructs；
Step 4 carries out lateral two using working face channel as construction space below the bottom plate in underground station tunnel yet to be built
The construction of wing water-stop curtain, lateral both wings water-stop curtain squeeze into country rock until being connected as with water shutoff construction around tunnel along vertical angle
Only.
Laterally the middle part from below the bottom plate in underground station tunnel yet to be built is working face channel for the front end of the dark-excavated passageway
Excavate starting point.
In the step 3, working face channel is excavated to the other end from underground station tunnel yet to be built longitudinal direction one end or waits for certainly
It builds underground station tunnel longitudinal middle part and is excavated to both ends.
In the step 4, construct lateral both wings water-stop curtain when, shearing resistance reinforcing bar is inserted into every rotary churning pile.
A kind of station bottom water shutoff construction using the construction of station bottom water shutoff construction method, including excavate together in yet to be built
Working face channel below the tunnel of underground station, the length in the working face channel be more than underground station tunnel yet to be built length,
The axis keeping parallelism of axis and underground station tunnel yet to be built；
Station bottom water shutoff construction further includes the two rows cross that country rock is squeezed into from the both sides in working face channel, along vertical angle
To both wings water-stop curtain, the front end of two rows of transverse direction both wings water-stop curtains extends respectively to connect around tunnel at water shutoff construction and with it
It is connected in one.
The working face channel is laterally positioned in below the middle part of bottom plate.
The transverse direction both wings water-stop curtain is the rotary churning pile of occlusion.
Single row or multiple rows are arranged in the rotary churning pile.
Inserted with shearing resistance reinforcing bar, the shearing resistance reinforcing bar is I-steel, H profile steel or steel pipe for the inside of the rotary churning pile.
The diameter range in the working face channel is 2.5m-4m.
Compared with prior art the invention has the characteristics that and advantageous effect：
Bottom plate middle part carries out working face passage construction to the present invention along station length direction AT STATION, and is made with working face channel
The construction for carrying out lateral both wings water-stop curtain to both sides respectively for construction working space forms station bottom water shutoff construction, and formation is fallen
The curtain structure of triangular form and then the effect for realizing station bottom waterstop, this tectonic sieving are not take up aboveground space, not only may be used
Effectively to be blocked to the water of station bottom part down down below, and can also be in lateral both wings sealing when artesian water enriches
Shearing resistance reinforcing bar is inserted into curtain as the structure for increasing station anti-floating and shearing resistance carrying, the face channel of working at the same time is also used as stopping
Water area internal control water Rendezvous Point carries out effectively control water.The bottom water shutoff construction of the present invention, which is also constructed with water shutoff around, to be connected, in vehicle
Surrounding of standing and bottom progress are totally-enclosed, achieve the purpose that carry out water shutoff to station.
The construction method of the present invention overcomes the deficiency of existing underground space water-stop technology, and construction method is simple, controllable
The potent fruit of property is good, and cost is relatively low, solves the problems, such as subway station bottom waterstop in water rich strata, avoids big depth subway station
A large amount of precipitation when construction, protect water resource, have saved electric power, environmentally protective, are provided for wider underground space development
Solution.
Description of the drawings
The present invention will be further described in detail below in conjunction with the accompanying drawings.
Fig. 1 is the structural schematic diagram of station bottom of the present invention water shutoff construction.
Fig. 2 is the side structure schematic view of A-A sections in Fig. 1.
Fig. 3 is the pile body floor map of working face channel of the present invention both sides transverse direction both wings water-stop curtain.
Reference numeral：The underground station tunnels yet to be built 1-, 2- dark-excavated passageways, 2.1- tunnelings horizontal channel, 2.2- tunnelings
Vertical passageway, 3- water level lines, 4- bottom plates, 5- working faces channel, 6- transverse direction both wings water-stop curtain, water shutoff around the tunnels 7-
Water shutoff construction, 8- earth's surfaces, 9- vertical angles before and after construction, the tunnels 7.1- both sides water shutoff construction, the tunnels 7.2-.
Specific implementation mode
Embodiment is referring to shown in Fig. 1-3, and a kind of metro station tunnel, water level line 3 is as shown in Figure 1.Illustrate in embodiment
Transverse direction be underground station tunnel yet to be built cross-sectional direction, longitudinal is the direction of travel in underground station tunnel yet to be built.
This station bottom water shutoff construction method, construction procedure are as follows：
Step 1, according to around the position in underground station tunnel 1 yet to be built, country rock situation and tunnel water shutoff construction 7 the case where,
Design the excavation route and depth, the excavation route in working face channel 5 and depth and lateral both wings water-stop curtain of dark-excavated passageway 2
6, wherein the vertical angle 9 that lateral both wings water-stop curtain 6 is formed with horizontal plane is required to calculate and be determined according to Anti-floating design, it is therefore an objective to
Inverted-triangular curtain structure is formed on station bottom, increases the anti-floating effect of curtain structure.
In general water shutoff construction 7 is downward from earth's surface 8, squeezes into four sides around underground station tunnel 1 yet to be built around tunnel
Vertical water-stop curtain, vertical water-stop curtain be the rotary churning pile being engaged in the present embodiment, needs to construct in advance, generally includes tunnel
Water shutoff construction 7.2 before and after both sides water shutoff construction 7.1 and tunnel.
Step 2 excavates dark-excavated passageway：From earth's surface 8, dark-excavated passageway is excavated in the outside of water shutoff construction 7 downwards, around tunnel
2, dark-excavated passageway is excavated to the projected depth position below underground station tunnel yet to be built.
Dark-excavated passageway 2 generally includes tunneling vertical passageway 2.2 and tunneling horizontal channel 2.1.The tunneling vertical passageway 2.2
Can be from the downward excavation of earth's surface 8, one of vertical shaft on the outside of vertical water-stop curtain.The depth of the vertical shaft is more than vertical stop
The depth of water curtain.Vertical shaft is arranged in the side in underground station tunnel yet to be built.The tunneling horizontal channel 2.1 is the bottom with vertical shaft
One of horizontal cross channel of connection, the axis in horizontal cross channel and the axis in underground station tunnel 1 yet to be built is held to keep space
Vertically, the front end in horizontal cross channel all extends to 4 lower section of bottom plate in underground station tunnel yet to be built.
The design and construction of dark-excavated passageway 2 are prepared to carry out the construction in working face channel, if tunnel perimeter exists both
When having dark-excavated passageway, which can be omitted.
Step 3 is altered course with being the excavation starting point in working face channel 5 inside the front end of dark-excavated passageway 2 along underground yet to be built
The excavation length in the longitudinal excavated surface of station tunnel 1 channel 5, working face channel 5 extends beyond entire underground station tunnel yet to be built
The length in road 1 and the lower section for being excavated to water shutoff construction 7 around tunnel.
In the present embodiment, the front end of the dark-excavated passageway 2 is laterally from 4 lower section middle part of the bottom plate in underground station tunnel 1 yet to be built
For the excavation starting point in working face channel 5.Working face channel is located at the intermediate position below the bottom plate of station, can make lateral both wings
The construction length of water-stop curtain is shorter, and quality height is engaged between stake, and the whole water-stagnating effect of curtain is good.
Working face channel 5 from the longitudinal one end in underground station tunnel yet to be built 1 is excavated to the other end or from underground station yet to be built
1 longitudinal middle part of tunnel is excavated to both ends.It is to be excavated to the other end from tunnel 1 longitudinal one end in underground station yet to be built in the present embodiment.
The diameter in the working face channel 5 is not more than the diameter in horizontal cross channel.According to calculating the working face channel 5
Diameter range be 2.5m-4m, the diameter range in horizontal cross channel is 4m-6m, can meet construction requirement.The present embodiment
In, a diameter of 4m in horizontal cross channel, a diameter of 3m in working face channel.
Step 4 is construction space with working face channel 5, is carried out laterally below the bottom plate 4 in underground station tunnel yet to be built
The construction of both wings water-stop curtain 6, lateral both wings water-stop curtain 6 squeeze into country rock until with water shutoff construction 7 around tunnel along vertical angle 9
Until connection.
Lateral both wings water-stop curtain 6 can with both sides simultaneously construct can also both sides alternately construct.
In order to increase the shearing strength of horizontal jet grouting stake curtain structure and improve anti-floating ability.The lateral both wings sealing curtain of construction
When curtain 6, shearing resistance reinforcing bar is inserted into every rotary churning pile.The shearing resistance reinforcing bar can be I-steel, H profile steel or steel pipe.
A kind of station bottom water shutoff construction that application construct with bus loading zone bottom water shutoff construction method, including together excavation in
The working face channel 5 of tunnel 1 lower section in underground station yet to be built, the length in the working face channel 5 are more than underground station tunnel 1 yet to be built
Length, axis and underground station tunnel 1 yet to be built axis keeping parallelism.
Station bottom water shutoff construction further includes the two rows that country rock is squeezed into from the both sides in working face channel 5, along vertical angle 9
Lateral both wings water-stop curtain 6, the front end of two rows of transverse direction both wings water-stop curtains 6 extend respectively to water shutoff around tunnel and construct at 7 simultaneously
It is connected thereto and is integrated.
Working face channel described in the present embodiment 5 is laterally positioned in below the middle part of bottom plate 4.Working face channel is located at station bottom
Intermediate position below plate can make the construction length of lateral both wings water-stop curtain shorter, be engaged that quality is high between stake, curtain it is whole
Body water-stagnating effect is good.
The transverse direction both wings water-stop curtain 6 is the rotary churning pile of occlusion.Single row or multiple rows are arranged in the rotary churning pile.The present embodiment
In be single.
In order to increase the shearing strength of horizontal jet grouting stake curtain structure and improve anti-floating ability, the inside of the rotary churning pile is inserted
It is I-steel, H profile steel or steel pipe to enter to have shearing resistance reinforcing bar, the shearing resistance reinforcing bar.The diameter range in the working face channel 5 is
2.5m-4m。
Jet grouting pile construction will be matched by horizontal drill, drilling rod, drill bit, nozzle using high-pressure pump as power source in the present invention
The slurries made are ejected into the soil body.Injection stream will be certain with huge energy during nozzle makees slowly rotation and retreats
Soil cutting, destruction in range, force soil particle to be sufficiently mixed in situ with slurries, then form approximate horizontal column
Soil cement induration, that is, horizontal jet grouting stake.After multiple rotary churning piles are mutually twisted, closed lateral both wings are formed on bottom AT STATION
Water-stop curtain plays the role of precipitation and control water.
The construction of the horizontal jet grouting stake includes mainly preparation of construction, equipment is in place, be open and orifice tube is installed, level is bored
Hole withdraws the construction procedures such as churning, sealing of hole after-teeming.Apply utilization of hour drilling machine the Grouting Pipe with nozzle is drilled into out of casing it is pre-
Positioning is set, and drilling rod withs certain speed while rotating（20cm/min or so）It gradually retracts, while making slurry using high-tension apparatus
Liquid is ejected with the high-pressure spray of 36MPa~40MPa or so from nozzle, the impact failure soil body, so that slurries is forced with grogs mixed
It closes, after grout cures, just forms an induration with some strength in the soil body.
The rotary churning pile of both sides transverse direction both wings water-stop curtain is carried out at the same time construction in the present embodiment, and all jet grouting pile constructions finish
Afterwards, facilitate to form closed inverted-triangular curtain structure at this time under the bottom plate of subway station, can effectively carry out the water shutoff of station bottom
And structural anti-buoyancy.When station surrounding water shutoff constructs, and percolating water occurs, the inverted-triangular curtain below the bottom plate of subway station can also
Enough carry out control water.
Claims (10)
1. a kind of station bottom water shutoff construction method, which is characterized in that construction procedure is as follows：
Step 1, according to underground station tunnel yet to be built（1）Position, water shutoff construction around country rock situation and tunnel（7）The case where,
Design dark-excavated passageway（2）Excavation route and depth, working face channel（5）Excavation route and depth and lateral both wings sealing
Curtain（6）, wherein lateral both wings water-stop curtain（6）The vertical angle formed with horizontal plane（9）It requires to calculate according to Anti-floating design true
It is fixed；
Step 2 excavates dark-excavated passageway：From earth's surface（8）Downwards, water shutoff constructs around tunnel（7）Outside excavate dark-excavated passageway
（2）, the dark-excavated passageway（2）Construction include tunneling horizontal channel（2.1）Construction and tunneling vertical passageway（2.2）Apply
Work,
The dark-excavated passageway（2）Including tunneling vertical passageway（2.2）With tunneling horizontal channel（2.1）, the tunneling vertical passageway
（2.2）Water shutoff constructs around tunnel（7）Outside, be excavated to vertically downwards below underground station tunnel yet to be built from earth's surface 8
Projected depth position, from tunneling vertical passageway（2.2）Bottom end be to excavate starting point, towards underground station tunnel yet to be built（1）
Excavate tunneling horizontal channel（2.1）, tunneling horizontal channel（2.1）Axis and underground station tunnel yet to be built（1）Axis keep
Spatial vertical, tunneling horizontal channel（2.1）Front end extend to the bottom plate in underground station tunnel yet to be built（4）Lower section；
Step 3, with tunneling horizontal channel（2.1）Front end inside be working face channel（5）Excavation starting point, changed course is along waiting for
Build underground station tunnel（1）Longitudinal excavated surface channel（5）, working face channel（5）Excavation length extend beyond and entirely wait for
Build underground station tunnel（1）Length and be excavated to around tunnel water shutoff and construct（7）Lower section；
Step 4, with working face channel（5）For construction space, the bottom plate in underground station tunnel yet to be built（4）Lower section carries out laterally
Both wings water-stop curtain（6）Construction, lateral both wings water-stop curtain（6）Along vertical angle（9）Country rock is squeezed into until with being sealed around tunnel
Water constructs（7）Until connection.
2. water shutoff construction method in station bottom according to claim 1, it is characterised in that：The tunneling horizontal channel
（2.1）Front end laterally from underground station tunnel yet to be built（1）Bottom plate（4）It is working face channel in the middle part of lower section（5）Excavation rise
Initial point.
3. water shutoff construction method in station bottom according to claim 1 or 2, it is characterised in that：In the step 3, work
Face channel（5）From underground station tunnel yet to be built（1）Longitudinal one end is excavated to the other end or from underground station tunnel yet to be built（1）It is vertical
It is excavated to both ends to middle part.
4. water shutoff construction method in station bottom according to claim 3, it is characterised in that：In the step 4, construction is horizontal
To both wings water-stop curtain（6）When, shearing resistance reinforcing bar is inserted into every rotary churning pile.
5. a kind of station bottom water shutoff using the station bottom water shutoff construction method construction described in claim 1-4 any one
Construction, it is characterised in that：Including excavating together in underground station tunnel yet to be built（1）The working face channel of lower section（5）, the work
Face channel（5）Length be more than underground station tunnel yet to be built（1）Length, axis and underground station tunnel yet to be built（1）Axis
Keeping parallelism；
Station bottom water shutoff construction further includes from working face channel（5）Both sides, along vertical angle（9）Squeeze into the two rows of country rock
Lateral both wings water-stop curtain（6）, two rows of transverse direction both wings water-stop curtains（6）Front end extend respectively to around tunnel water shutoff and construct
（7）Place and being connected thereto is integrated.
6. station bottom according to claim 5 water shutoff constructs, it is characterised in that：The working face channel（5）Lateral position
In bottom plate（4）Middle part below.
7. station bottom according to claim 5 water shutoff constructs, it is characterised in that：The transverse direction both wings water-stop curtain（6）
For the rotary churning pile of occlusion.
8. station bottom according to claim 7 water shutoff constructs, it is characterised in that：The rotary churning pile setting is single or more
Row.
9. station bottom according to claim 8 water shutoff constructs, it is characterised in that：The inside of the rotary churning pile is inserted with anti-
Shear-steel bone, the shearing resistance reinforcing bar are I-steel, H profile steel or steel pipe.
10. station bottom according to claim 5 water shutoff constructs, it is characterised in that：The working face channel（5）Diameter
Ranging from 2.5m-4m.
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| CN201710565009.0A CN107191207B (en) | 2017-07-12 | 2017-07-12 | A kind of station bottom water shutoff construction method and station bottom water shutoff construction |
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| CN201710565009.0A CN107191207B (en) | 2017-07-12 | 2017-07-12 | A kind of station bottom water shutoff construction method and station bottom water shutoff construction |
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| CN110042864B (en) * | 2019-05-14 | 2024-08-16 | 北京首尔工程技术有限公司 | Omnibearing water stopping structure of underground station under underground excavation of confined water stratum and construction method thereof |
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| JP2009174178A (en) * | 2008-01-24 | 2009-08-06 | Kajima Corp | Method of constructing underground structure |
| CN102296621A (en) * | 2011-05-27 | 2011-12-28 | 深圳市市政设计研究院有限公司 | Construction method of ground sectional water-stop curtain |
| CN104879141A (en) * | 2015-06-02 | 2015-09-02 | 杨积凯 | Tunnel bottom plugging structure and construction method thereof |
| CN105178326A (en) * | 2015-06-03 | 2015-12-23 | 福建工程学院 | Water stop method for upper-soft and lower-hard water-rich stratum foundation pit engineering retaining structure |
| CN105909260A (en) * | 2016-06-16 | 2016-08-31 | 山东省地矿工程勘察院 | Subway station water stop structure for protecting groundwater environment and construction method thereof |
| CN206204973U (en) * | 2016-06-16 | 2017-05-31 | 山东省地矿工程勘察院 | Subway station water stop structure for protecting groundwater environment |
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2017
- 2017-07-12 CN CN201710565009.0A patent/CN107191207B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08134944A (en) * | 1994-11-15 | 1996-05-28 | Mitsui Fudosan Kensetsu Kk | Water proofing construction method for underground structure |
| JP2009174178A (en) * | 2008-01-24 | 2009-08-06 | Kajima Corp | Method of constructing underground structure |
| CN102296621A (en) * | 2011-05-27 | 2011-12-28 | 深圳市市政设计研究院有限公司 | Construction method of ground sectional water-stop curtain |
| CN104879141A (en) * | 2015-06-02 | 2015-09-02 | 杨积凯 | Tunnel bottom plugging structure and construction method thereof |
| CN105178326A (en) * | 2015-06-03 | 2015-12-23 | 福建工程学院 | Water stop method for upper-soft and lower-hard water-rich stratum foundation pit engineering retaining structure |
| CN105909260A (en) * | 2016-06-16 | 2016-08-31 | 山东省地矿工程勘察院 | Subway station water stop structure for protecting groundwater environment and construction method thereof |
| CN206204973U (en) * | 2016-06-16 | 2017-05-31 | 山东省地矿工程勘察院 | Subway station water stop structure for protecting groundwater environment |
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| CN107191207A (en) | 2017-09-22 |
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