CN106812540A - A kind of shield launching element wall closing water sealing consolidation structure and construction technology - Google Patents
A kind of shield launching element wall closing water sealing consolidation structure and construction technology Download PDFInfo
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- CN106812540A CN106812540A CN201710166430.4A CN201710166430A CN106812540A CN 106812540 A CN106812540 A CN 106812540A CN 201710166430 A CN201710166430 A CN 201710166430A CN 106812540 A CN106812540 A CN 106812540A
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- plain concrete
- diaphram wall
- water sealing
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 238000007596 consolidation process Methods 0.000 title claims abstract description 37
- 238000010276 construction Methods 0.000 title claims abstract description 34
- 238000007789 sealing Methods 0.000 title claims abstract description 34
- 238000005516 engineering process Methods 0.000 title abstract description 12
- 239000004567 concrete Substances 0.000 claims abstract description 73
- 230000006641 stabilisation Effects 0.000 claims abstract description 33
- 238000011105 stabilization Methods 0.000 claims abstract description 33
- 239000002689 soil Substances 0.000 claims abstract description 31
- 239000011435 rock Substances 0.000 claims abstract description 19
- 238000007569 slipcasting Methods 0.000 claims abstract description 17
- 238000001556 precipitation Methods 0.000 claims abstract description 16
- 238000002156 mixing Methods 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 22
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims 2
- 238000005345 coagulation Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 5
- 239000011159 matrix material Substances 0.000 abstract description 2
- 239000004568 cement Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000012946 outsourcing Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 238000003809 water extraction Methods 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
- E21D11/04—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
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
-
- 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
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)
- Lining And Supports For Tunnels (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a kind of shield launching element wall closing water sealing consolidation structure and construction technology.The water sealing consolidation structure is by C15 plain concretes diaphram wall (including built-in slip casting pipe), 2 row's rotary churning piles, three axes agitating pile and many mouthfuls of precipitation well constructions, rotary churning pile specification is the@500 of Φ 800, three axes agitating pile specification is the@600 of Φ 850, matrix is set in stabilization zone periphery and enters rock C15 element diaphram walls, the water stop curtain structure all around closed is formed with station diaphram wall, to reduce settlement influence scope of the precipitation to the outer soil body in hole in hole, it is ensured that effective water proof effect.Outside built-in slip casting pipe in plain concrete diaphram wall seam crossing, to carry out slip casting leak-stopping operation to the seam that there is seepage.
Description
Technical field
The present invention relates to a kind of shield launching element wall closing water sealing consolidation structure and construction technology, more particularly to big
Diameter mud water balance shield launching closes water sealing consolidation structure and construction technique with end well element wall.
Background technology
Shield Construction Technique is widely used in the building of soil layer or weak surrounding rock stratum urban subway tunnel, and is a kind of non-
Normal reliable tunnel construction technology.Shield launching technology is very the key link, shield in shield method tunnel construction technical system
Structure originates the whether smooth safety for being directly connected to tunnel construction in later period quality, duration and work progress.
Need to reinforce starting well termination to ensure the stabilization of launching shaft, before shield launching, while needs are right
The stabilization zone soil body carries out certain treatment.Conventional shield launching technology working procedure is complicated, and security performance is relatively low, it is careless slightly just
Sand problem may occur, jeopardize shield launching safety.
Immediate prior art is as follows：
1. Application No. 201010123683.1 shield receive or starting end head twin-well formula reinforcement means and twin-well formula
The Patents of shield method of reseptance.The technology is, using twin-well formula reinforcement means, to be pre-formed " [" outside enclosure wall AT STATION
Shape groove, it is outsourcing element wall that cast plain concrete forms diaphram wall in groove, outsourcing element wall with safeguard wall and be connected to form advanced well,
Impermeable stratum under the bottom insertion tunnel of advanced well, top is higher than highest level of ground water, water extraction front outside advanced well.Shield
When originating, shield machine is introduced into advanced well, then excavates further along.The technical method can effectively solve underground water to shield launching
The danger for being brought, but the impermeable stratum buried depth under shield tunnel it is larger when, set that advanced well is relatively difficult, the method is no longer
It is applicable.It is higher with the method construction cost in addition, it is uneconomical.
2. Patents of the shallow earthing originating method of the shield tunnel of Application No. 201210300855.7.The disclosure of the invention
A kind of shield tunnel shallow earthing originating method, is added by using earthing back-pressure, local tunneling boring stratum consolidation and gate-type stratum
The method of solid phase binding is reinforced to the shield launching section soil body, in order to prevent the face soil body after portal is opened during shield launching
Destruction and stratum occur to loosen etc., cause the mud spillage in muddy water storehouse, stratum unstability, water burst to gush mud etc., using freezing process plus
Admittedly punch place certain thickness stratum.The invention originates the stable problem on section stratum under the conditions of solving shallow earthing, while reducing
Originate active well and open excavation section deep foundation pit construction risk.In the invention, it is necessary to close to starting well portal outside 1~2m in the range of
The soil body use freezing consolidation, but the construction freezing method cycle is long, cost is high, and with certain risk.
Therefore a kind of new shield launching element wall closing water sealing consolidation process is needed to occur in the prior art to improve
Problem.
The content of the invention
The present invention provides one kind aiming at above-mentioned defect and can effectively reinforce starting well termination, prevent to reinforce
There is shield launching element wall closing water sealing consolidation structure and the construction technology of Sand problem in area's soil body.The water sealing consolidation system
By C15 plain concretes diaphram wall (including built-in slip casting pipe), 2 row's rotary churning piles, three axes agitating pile and many mouthfuls of precipitation well constructions,
Rotary churning pile specification is the@500 of Φ 800, and three axes agitating pile specification is the@600 of Φ 850, and setting matrix in stabilization zone periphery enters rock C15 elements
Diaphram wall, the water stop curtain structure all around closed is formed with station diaphram wall, to reduce the interior precipitation in hole to the outer soil in hole
The settlement influence scope of body, it is ensured that effective water proof effect.Outside built-in slip casting pipe in plain concrete diaphram wall seam crossing,
To carry out slip casting leak-stopping operation to the seam that there is seepage.
A kind of shield launching element wall of the invention closes water sealing consolidation structure and construction technology technical scheme is, a kind of shield
Plain wall closing water sealing consolidation structure is originated, the structure includes that the mixing pile for being arranged at launching shaft termination is used to soil mass consolidation；
Three face plain concrete diaphram walls formation " recessed " types are set in cement mixing method area periphery and enter rock plain concrete diaphram wall,
The water stop curtain structure all around closed is formed with station building enclosure enclosure wall, to reduce sedimentation of the precipitation to the outer soil body in hole in hole
Coverage, it is ensured that effective water proof effect, outside built-in slip casting pipe in plain concrete diaphram wall seam crossing, so as to depositing
Slip casting leak-stopping operation is carried out in the seam of seepage；Closed using 2 row's rotary churning piles between plain concrete diaphram wall and mixing pile；
A bite above dewatering well is additionally provided with outside shield tunnel diameter within stabilization zone.
Mixing pile uses the three axes agitating piles of 850@of Φ 600.
Cement mixing method width is that on the outside of shield tunnel scope and tunnel structure each 3 meters on the outside of left and right, the stake of vertical reality adds
Gu scope is the upper and lower 5m of shield tunnel construction.
Plain concrete diaphram wall enters rock not less than 1m.
Rotary churning pile specification is the@500 of Φ 800.
The plain concrete diaphram wall is 800mm thickness C15 plain concrete diaphram walls.
2-4 mouthfuls of dewatering well is set outside plain concrete diaphram wall.Using stabilization zone dewatering well to stabilization zone before originating
The soil body carries out precipitation, it is ensured that 2m under underground water potential drop to tunnel structure.
Plain concrete diaphram wall and station building enclosure enclosure wall junction are provided with plain concrete underground continuous
Wall outer side seam sealing rotary churning pile.
It is safety when ensuring that portal is abolished, to set one concrete element underground continuous in building enclosure enclosure wall outside AT STATION
Wall, depth is shield tunnel construction lower section 5m, and envelope is formed with cement mixing method area periphery " recessed " type plain concrete diaphram wall
" mouth " the type structure closed.
A kind of described shield launching element wall closing water sealing consolidation structure construction technique, comprises the following steps：
(1) 800mm thickness C15 " recessed " type is set outside the station building enclosure of launching shaft termination and enters rock plain concrete ground
Lower diaphragm wall, plain concrete diaphram wall enters rock not less than 1m, with stopping that station building enclosure enclosure wall formation is all around closed
Water curtain structure, is stabilization zone in the water stop curtain structure that this is all around closed；Inside and outside plain concrete diaphram wall seam crossing
Side built-in slip casting pipe；
(2) it is continuous in plain concrete diaphram wall and station building enclosure enclosure wall junction setting plain concrete underground
Wall outer side seam sealing rotary churning pile；
(3) the three axes agitating pile soil mass consolidations of 850@of Φ 600 are used in stabilization zone, cement mixing method width is shield tunnel
3m on the outside of structure, vertical reality stake reinforcing scope is the upper and lower 5m of shield tunnel construction；
(4) closed using the rotary churning piles of 2 row Φ, 800@500 between plain concrete diaphram wall and mixing pile；
(5) a bite above dewatering well is additionally provided with stabilization zone outside shield tunnel diameter；Precipitation is utilized before originating
Well carries out precipitation to the stabilization zone soil body, it is ensured that 2m under underground water potential drop to tunnel structure.
In addition, in (1st) step, the safety assurance soil mass consolidation during being abolished for portal does not cave in, and is applied before portal
One 800mm thickness C15 plain concrete diaphram wall is done, plain wall depth is to 5 meters below tunnel bottom.
Beneficial effects of the present invention are：The implementation of present invention process, effectively reinforces and encloses shield launching termination one
Determine the soil body in scope, it is ensured that the stability of the region soil body, separate the threat that underground water brings to shield launching, thoroughly
The generation of Sand dangerous situation when avoiding shield launching in thin silt, sound assurance smoothly the originating of shield be
Engineering construction is had laid a good foundation.Additionally, the structure and construction technology need not set advanced well, starting well termination reinforces
When without the concern for underground impermeable stratum buried depth, this shield launching element wall closing water sealing consolidation structure can effectively strengthening stratum
With intercept underground water, fast, economical effectively, typically can also evade completely portal abolish, the construction risk of shield launching.
Brief description of the drawings：
Fig. 1 show structural plan layout drawing of the present invention；
Fig. 2 show structural facades schematic diagram of the present invention；
Fig. 3 show plain concrete diaphram wall built-in slip casting pipe distribution schematic diagram in structure of the present invention；
Fig. 4 show main structure body structure overlap joint schematic diagram of the present invention.
In figure：1- plain concrete diaphram walls；2- rotary churning piles；3- mixing piles；4- dewatering wells；5- Grouting Pipes；6- elements are mixed
Solidifying soil diaphram wall outer side seam sealing rotary churning pile.
Specific embodiment：
For a better understanding of the present invention, technical scheme is described in detail with instantiation below, but originally
Invention is not limited thereto.
Embodiment 1
A kind of shield launching element wall closing water sealing consolidation structure, the structure includes being arranged at the stirring of launching shaft termination
Stake 3 is used to soil mass consolidation；" recessed " type is set in the stabilization zone of mixing pile 3 periphery and enters rock plain concrete diaphram wall 1, enclosed with station
Protection structure enclosure wall forms the water stop curtain structure all around closed, to reduce settlement influence model of the precipitation to the outer soil body in hole in hole
Enclose, it is ensured that effective water proof effect, outside built-in slip casting pipe 5 in the seam crossing of plain concrete diaphram wall 1, to be oozed to presence
The seam of leakage carries out slip casting leak-stopping operation；Closed using 2 row's rotary churning piles 2 between plain concrete diaphram wall 1 and mixing pile 3；
A bite above dewatering well 4 is additionally provided with outside shield tunnel diameter within stabilization zone.
Mixing pile 3 is using the three axes agitating piles of 850@of Φ 600.
It is that on the outside of shield tunnel scope and tunnel structure each 3 meters on the outside of left and right, the stake of vertical reality adds that mixing pile 3 reinforces width
Gu scope is the upper and lower 5m of shield tunnel construction.
Plain concrete diaphram wall 1 enters rock not less than 1m.
The specification of rotary churning pile 2 is the@500 of Φ 800.
The plain concrete diaphram wall 1 is 800mm thickness C15 plain concrete diaphram walls.
Plain concrete diaphram wall 1 and station building enclosure enclosure wall junction are provided with plain concrete underground continuous
The outside rotary churning pile 2 of wall 1.
A kind of described shield launching element wall closing water sealing consolidation structure construction technique, comprises the following steps：
(1) 800mm thickness C15 " recessed " type is set outside the station building enclosure of launching shaft termination and enters rock plain concrete ground
Lower diaphragm wall 1, plain concrete diaphram wall 1 enters rock not less than 1m, forms what is all around closed with station building enclosure enclosure wall
Water stop curtain structure, is stabilization zone in the water stop curtain structure that this is all around closed；In the seam crossing of plain concrete diaphram wall 1
Outside built-in slip casting pipe 5；
(2) plain concrete underground is set in plain concrete diaphram wall 1 and station building enclosure enclosure wall junction to connect
Continuous wall outer side seam sealing rotary churning pile 6；
(3) soil mass consolidation of 850@of Φ, 600 three axes agitating piles 3 is used in stabilization zone, it is shield tunnel that mixing pile 3 reinforces width
3m on the outside of road structure, vertical reality stake reinforcing scope is the upper and lower 5m of shield tunnel construction；
(4) closed using the rotary churning piles 2 of 2 row Φ, 800@500 between plain concrete diaphram wall 1 and mixing pile 3；
(5) a bite above dewatering well 4 is additionally provided with stabilization zone outside shield tunnel diameter；Precipitation is utilized before originating
Well 4 carries out precipitation to the stabilization zone soil body, it is ensured that 2m under underground water potential drop to tunnel structure.
Embodiment 2
A kind of shield launching element wall closing water sealing consolidation structure, the structure includes being arranged at the stirring of launching shaft termination
Stake 3 is used to soil mass consolidation；" recessed " type is set in the stabilization zone of mixing pile 3 periphery and enters rock plain concrete diaphram wall 1, enclosed with station
Protection structure enclosure wall forms the water stop curtain structure all around closed, to reduce settlement influence model of the precipitation to the outer soil body in hole in hole
Enclose, it is ensured that effective water proof effect, be safety when ensuring that portal is abolished, building enclosure enclosure wall outside sets mixed together AT STATION
Solidifying soil element diaphram wall 1, depth is shield tunnel construction lower section 5m, with the stabilization zone of mixing pile 3 periphery " recessed " type plain concrete
Diaphram wall 1 forms " mouth " type structure of closing.Outside built-in slip casting pipe 5 in the seam crossing of plain concrete diaphram wall 1, with
Just slip casting leak-stopping operation is carried out to the seam that there is seepage；2 row's churnings are used between plain concrete diaphram wall 1 and mixing pile 3
Stake 2 is closed；A bite above dewatering well 4 is additionally provided with stabilization zone outside shield tunnel diameter.
Mixing pile 3 is using the three axes agitating piles of 850@of Φ 600.
It is that on the outside of shield tunnel scope and tunnel structure each 3 meters on the outside of left and right, the stake of vertical reality adds that mixing pile 3 reinforces width
Gu scope is the upper and lower 5m of shield tunnel construction.
Plain concrete diaphram wall 1 enters rock not less than 1m.
The specification of rotary churning pile 2 is the@500 of Φ 800.
The plain concrete diaphram wall 1 is 800mm thickness C15 plain concrete diaphram walls.
In the 2-4 mouthfuls of dewatering well 4 of outer setting of plain concrete diaphram wall 1.Using the 4 pairs of reinforcings of stabilization zone dewatering well before originating
Area's soil body carries out precipitation, it is ensured that 2m under underground water potential drop to tunnel structure.
Plain concrete diaphram wall 1 and station building enclosure enclosure wall junction are provided with plain concrete underground continuous
The outside rotary churning pile 2 of wall 1.
A kind of described shield launching element wall closing water sealing consolidation structure construction technique, comprises the following steps：
(1) 800mm thickness C15 " recessed " type is set outside the station building enclosure of launching shaft termination and enters rock plain concrete ground
Lower diaphragm wall 1, plain concrete diaphram wall 1 enters rock not less than 1m, forms what is all around closed with station building enclosure enclosure wall
Water stop curtain structure, is stabilization zone in the water stop curtain structure that this is all around closed, building enclosure enclosure wall outside sets AT STATION
One concrete element diaphram wall 1 is put, depth is shield tunnel construction lower section 5m, with the stabilization zone of mixing pile 3 periphery " recessed " type
Plain concrete diaphram wall 1 forms " mouth " type structure of closing；The pre-buried note in outside in the seam crossing of plain concrete diaphram wall 1
Slurry pipe 5；
(2) plain concrete underground is set in plain concrete diaphram wall 1 and station building enclosure enclosure wall junction to connect
Continuous wall outer side seam sealing rotary churning pile 6；
(3) soil mass consolidation of 850@of Φ, 600 three axes agitating piles 3 is used in stabilization zone, it is shield tunnel that mixing pile 3 reinforces width
3m on the outside of road structure, vertical reality stake reinforcing scope is the upper and lower 5m of shield tunnel construction；
(4) closed using the rotary churning piles 2 of 2 row Φ, 800@500 between plain concrete diaphram wall 1 and mixing pile 3；
(5) a bite above dewatering well 4 is additionally provided with stabilization zone outside shield tunnel diameter；Precipitation is utilized before originating
Well 4 carries out precipitation to the stabilization zone soil body, it is ensured that 2m under underground water potential drop to tunnel structure.
(6) in the 2-4 mouthfuls of dewatering well 4 of outer setting of plain concrete diaphram wall 1.
Claims (10)
1. a kind of shield launching element wall closes water sealing consolidation structure, it is characterised in that the structure includes being arranged at launching shaft
The mixing pile (3) of termination；Three faces plain concrete diaphram wall (1) are set in mixing pile (3) stabilization zone periphery and form " recessed " type
Enter rock plain concrete diaphram wall (1), the water stop curtain structure all around closed is formed with station building enclosure enclosure wall, element is mixed
Outside built-in slip casting pipe (5) in solidifying soil diaphram wall (1) seam crossing；Between plain concrete diaphram wall (1) and mixing pile (3)
Closed using 2 row's rotary churning piles (2)；A bite above dewatering well (4) is additionally provided with stabilization zone outside shield tunnel diameter.
2. a kind of shield launching element wall according to claim 1 closes water sealing consolidation structure, it is characterised in that mixing pile
(3) using the three axes agitating piles (3) of 850@of Φ 600.
3. a kind of shield launching element wall according to claim 1 closes water sealing consolidation structure, it is characterised in that mixing pile
(3) it is that on the outside of shield tunnel scope and tunnel structure each 3 meters on the outside of left and right, vertical reality stake reinforcing scope is shield to reinforce width
The upper and lower 5m of tunnel structure.
4. a kind of shield launching element wall according to claim 1 closes water sealing consolidation structure, it is characterised in that plain concrete
Diaphram wall (1) enters rock not less than 1m.
5. a kind of shield launching element wall according to claim 1 closes water sealing consolidation structure, it is characterised in that rotary churning pile
(2) specification is the@500 of Φ 800.
6. a kind of shield launching element wall according to claim 1 closes water sealing consolidation structure, it is characterised in that the element is mixed
Solidifying soil diaphram wall (1) is 800mm thickness C15 plain concretes diaphram wall (1).
7. a kind of shield launching element wall according to claim 1 closes water sealing consolidation structure, it is characterised in that in plain coagulation
Native diaphram wall (1) sets outward 2-4 mouthfuls of dewatering well (4).
8. a kind of shield launching element wall according to claim 1 closes water sealing consolidation structure, it is characterised in that in plain coagulation
Native diaphram wall (1) is provided with plain concrete diaphram wall (1) outer side seam with station building enclosure enclosure wall junction
Sealing rotary churning pile (2).
9. a kind of shield launching element wall according to claim 1 closes water sealing consolidation structure, it is characterised in that enclose AT STATION
Protection structure enclosure wall outside sets one concrete element diaphram wall (1), and depth is shield tunnel construction lower section 5m, with stirring
Stake (3) stabilization zone periphery " recessed " type plain concrete diaphram wall (1) forms " mouth " type structure of closing.
10. a kind of shield launching element wall as claimed in claim 1 closes water sealing consolidation structure construction technique, it is characterised in that
Comprise the following steps：
1. 800mm thickness C15 " recessed " type is set outside the station building enclosure of launching shaft termination and enters rock plain concrete underground company
Continuous wall (1), plain concrete diaphram wall (1) enters rock not less than 1m, forms what is all around closed with station building enclosure enclosure wall
Water stop curtain structure, is stabilization zone in the water stop curtain structure that this is all around closed；Plain concrete diaphram wall (1) seam crossing
Interior outside built-in slip casting pipe (5)；
2. plain concrete diaphram wall is set in plain concrete diaphram wall (1) and station building enclosure enclosure wall junction
Outer side seam sealing rotary churning pile (2)；
3. 850@of Φ 600 three axes agitating pile (3) soil mass consolidation is used in stabilization zone, it is shield tunnel that mixing pile (3) reinforces width
3m on the outside of road structure and structure, vertical reality stake reinforcing scope is the upper and lower 5m of shield tunnel construction；
4. closed using the rotary churning piles of 2 row Φ, 800@500 between plain concrete diaphram wall (1) and mixing pile (3)；
5. more than two mouthfuls dewatering wells (4) are additionally provided with stabilization zone outside shield tunnel diameter；Dewatering well is utilized before originating
(4) precipitation is carried out to the stabilization zone soil body, it is ensured that 2m under underground water potential drop to tunnel structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710166430.4A CN106812540B (en) | 2017-03-20 | 2017-03-20 | Shield initial plain wall sealing water-stopping reinforcing structure and construction process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710166430.4A CN106812540B (en) | 2017-03-20 | 2017-03-20 | Shield initial plain wall sealing water-stopping reinforcing structure and construction process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106812540A true CN106812540A (en) | 2017-06-09 |
| CN106812540B CN106812540B (en) | 2020-08-28 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107326924A (en) * | 2017-07-20 | 2017-11-07 | 常州市建筑科学研究院集团股份有限公司 | Outer wall of underground structure HCMW engineering methods overlap wall and its construction method |
| CN107524144A (en) * | 2017-07-28 | 2017-12-29 | 同济大学 | A kind of hardened system and reinforcement means for soft soil foundation before tunnel excavation |
| CN108798686A (en) * | 2018-06-27 | 2018-11-13 | 中铁十二局集团有限公司 | Tunneling boring water-rich sand layer shield receives construction method |
| CN112302668A (en) * | 2020-12-01 | 2021-02-02 | 长江勘测规划设计研究有限责任公司 | Subway shield arrival construction method and structure with limited reinforcement range |
| CN113464150A (en) * | 2021-08-13 | 2021-10-01 | 中国建设基础设施有限公司 | Shield end reinforcing structure and reinforcing construction method |
| CN113494294A (en) * | 2021-07-26 | 2021-10-12 | 中铁一局集团(广州)建设工程有限公司 | Reinforcing method for shield launching or arrival end |
| CN114960711A (en) * | 2021-02-24 | 2022-08-30 | 中交隧道工程局有限公司 | End reinforcement construction method based on shield tunneling |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101696573A (en) * | 2009-10-23 | 2010-04-21 | 广东省基础工程公司 | Construction method for forming pile wall type retaining wall |
| US20120210665A1 (en) * | 2011-02-17 | 2012-08-23 | Strongplus Co., Ltd. | Fireproof Panel Equipped with Coupling Holes and Method of Manufacturing the Same, and Mold for the Fireproof Panel |
| CN103643961A (en) * | 2013-12-04 | 2014-03-19 | 中国水电顾问集团华东勘测设计研究院有限公司 | End-free reinforcing shield receiving structure and receiving method |
| CN105041322A (en) * | 2015-06-08 | 2015-11-11 | 上海隧道工程有限公司 | Method and system for reinforcing hole for push bench to go in and out |
| CN106050244A (en) * | 2016-08-01 | 2016-10-26 | 中铁第勘察设计院集团有限公司 | Water-rich sand-cobble stratum shield entry and exit reinforcing system and construction method thereof |
| CN106194218A (en) * | 2016-08-30 | 2016-12-07 | 中铁第四勘察设计院集团有限公司 | The shield end soil body reinforcement system in high water head deep and thick sand area |
| CN206592136U (en) * | 2017-03-20 | 2017-10-27 | 中铁十四局集团有限公司 | A kind of plain wall closing water sealing consolidation structure of shield launching |
-
2017
- 2017-03-20 CN CN201710166430.4A patent/CN106812540B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101696573A (en) * | 2009-10-23 | 2010-04-21 | 广东省基础工程公司 | Construction method for forming pile wall type retaining wall |
| US20120210665A1 (en) * | 2011-02-17 | 2012-08-23 | Strongplus Co., Ltd. | Fireproof Panel Equipped with Coupling Holes and Method of Manufacturing the Same, and Mold for the Fireproof Panel |
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