CN105781575A - Water-rich stratum pipe piece combination structure and construction method thereof - Google Patents
Water-rich stratum pipe piece combination structure and construction method thereof Download PDFInfo
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- CN105781575A CN105781575A CN201610140503.8A CN201610140503A CN105781575A CN 105781575 A CN105781575 A CN 105781575A CN 201610140503 A CN201610140503 A CN 201610140503A CN 105781575 A CN105781575 A CN 105781575A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 238000010276 construction Methods 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 39
- 239000004567 concrete Substances 0.000 claims abstract description 20
- 229920001971 elastomer Polymers 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000008569 process Effects 0.000 claims abstract description 8
- 239000000440 bentonite Substances 0.000 claims abstract description 6
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 6
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000007569 slipcasting Methods 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 16
- 230000035515 penetration Effects 0.000 claims description 15
- 239000004568 cement Substances 0.000 claims description 11
- 239000012615 aggregate Substances 0.000 claims description 10
- 239000002002 slurry Substances 0.000 claims description 7
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 6
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 6
- 230000005641 tunneling Effects 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 2
- 239000004576 sand Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 13
- 230000007774 longterm Effects 0.000 abstract description 3
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- 230000000903 blocking effect Effects 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract 1
- 239000003673 groundwater Substances 0.000 description 6
- 239000011398 Portland cement Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 238000004078 waterproofing Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000008595 infiltration Effects 0.000 description 3
- 238000001764 infiltration Methods 0.000 description 3
- 210000004911 serous fluid Anatomy 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000002956 ash Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
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- 239000011707 mineral Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 241000233866 Fungi Species 0.000 description 1
- 240000007643 Phytolacca americana Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
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- 238000013019 agitation Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
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- 230000007613 environmental effect Effects 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
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Classifications
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- 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
- E21D11/08—Lining with building materials with preformed concrete slabs
-
- 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
- E21D11/383—Waterproofing; Heat insulating; Soundproofing; Electric insulating by applying waterproof flexible sheets; Means for fixing the sheets to the tunnel or cavity wall
-
- 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
- E21D11/385—Sealing means positioned between adjacent lining members
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)
Abstract
The invention discloses a water-rich stratum pipe piece combination structure and a construction method thereof. The combination structure comprises a plurality sets of jointed pipe pieces. Grouting walls are arranged on the outer sides of the pipe pieces and made of water-permeable grouting materials. Second lining concrete is arranged on the inner sides of the pipe pieces. Waterproof layers are arranged between the pipe pieces and the second lining concrete. According to the water-rich stratum pipe piece combination structure and the construction method thereof, the water-permeable materials are selected and used for the grouting walls, circular flow of underground water is restored, water and soil loss is relieved, and the ground ecosystem is protected. In the grouting process, the condition of too large grouting quantity or grouting pipe blocking is not liable to occur. Bentonite expands when encountering water, and holes of a water-rich stratum can be fully filled, so that ground subsidence caused by construction is reduced. The waterproof layers are additionally arranged between the pipe pieces and the second lining concrete, and the waterproof function of the pipe pieces and the function of rubber water stopping strips are combined, so that the waterproof effect is greatly promoted. Even if cracks occur to the second lining or water seepage occurs to the pipe pieces, water can be effectively prevented from entering a tunnel, and possibility is provided for long-term water prevention.
Description
Technical field
The present invention relates to duct pieces of shield tunnel construction applications, be specifically related to water rich strata section of jurisdiction combinative structure and construction method thereof.
Background technology
Along with the development of whole nation track traffic, shield technique is fast with speed of application, and surrounding environment influence is little, and high financial profit is widely applied.When the various water rich strata of shield driven tunnel crossing is encountered by the waterproof problem of complexity, to tunnel construction, person proposes huge challenge；Simultaneously, tunnel construction for the runoff of subsoil water, excretion, feed, recharge etc. aspect impact great, particularly in the city that subsoil water is bigger relative to proportion, build the subway tunnel heavy damage circulating path of subsoil water, cause water level decreasing, environmental disruption, is unfavorable for the sustainable development in city.
In shield tunneling process, along with shield is pushed ahead, after section of jurisdiction departs from shield tail, in shield tunnel surrounding soil annular space of one fixed width together with being formed between section of jurisdiction.Generally the operation filling concreteness serosity to shield tail in space behind, section of jurisdiction after departing from time is become grouting behind shaft or drift lining, grouting behind shaft or drift lining not only plays in tunnel construction and prevents surface subsidence, ensure the effect that pipe-plate lining is stable, Seed harvest after slurry consolidation is wrapped in periphery, section of jurisdiction, forms first waterproof barrier for tunnel.But for water rich strata, slip casting wall slip casting is not necessarily the guarantee of waterproof effect, cause in tunnel surrounding tremendous range it being all fluid-tight due to the impermeability of grouting serous fluid, substantial amounts of recirculated water is destroyed path originally by the Seed harvest of serosity, more subsoil water enters river only by subsoil water facility, this has not only increased the weight of the burden of pumping equipment, and subsoil water can not get supplementing in time, destroys city water balance system artificially.
Water rich strata has self-stability difference, watery by force, water content saturated (saturation is all more than 90%), and infiltration coefficient is bigger waits unfavorable geology feature.Now, shield grouting behind shaft or drift lining requires block water rapidly, quickly refill.Owing in water rich strata, along with shield-tunneling construction boring parameter controls the factor such as improper, itself, containing cavity, and causes that the soil body runs off excessive and then produces cavity, stratum, grouting behind shaft or drift lining can be had an immense impact on.For common injecting paste material, on the one hand, under water rich strata, cavity causes that grouting amount increases, produce grouting serous fluid and run off, it is difficult to keep the stability of grouting pressure and the degree of compaction that slip casting is interval；On the other hand, along with grout cures, the density of injecting cement paste, intensity are gradually increased, it is easy to cause the damage of stratum further loss and section of jurisdiction, and the long-term waterproof effect of shield tunnel is produced impact.
While shield Second Lining Construction regards the reinforcement to section of jurisdiction, anticorrosion, the completing of inner surface as, also regarded as waterproof construction more.But most of secondary linings are plain concrete, when being subject to tunnel deformation that the impacts such as load shifts after tunnel completes cause with telescopic action, it is easy to produce crack.It addition, the ready-made casting concrete used by secondary lining can be subject to the constraint that section of jurisdiction inner surface is uneven at its back side, owing to dry shrinkage and temperature stress easily produce crack, and there is the disadvantageous construction joint of waterproof.Therefore, tunnel complete build after for many years in, lining cutting content is easily generated water leakage situation, it is impossible to expect secondary lining have significantly high waterproof effect.
In sum, urban rail transit construction is carried out for accounting at ground water circulation in the city of critical role, should ensure that tunnel water proofing effect is not less than the regulation of country's subway waterproof-ing standard, ensure the problem that tunnel construction does not hinder ground water circulation to circulate again, it is necessary to research worker carries out further investigated.
Summary of the invention
It is an object of the invention to provide a kind of water rich strata section of jurisdiction combinative structure and construction method thereof, this combined mechanism can neither reduce tunnel water proofing quality in water rich strata and can guarantee that again subsoil water circulates.
In order to reach above-mentioned purpose, the present invention adopts the following technical scheme that
Water rich strata section of jurisdiction combinative structure, including the section of jurisdiction of many group splicings, at the arranged outside slip casting wall of section of jurisdiction, the material of slip casting wall is water penetration injecting paste material, is provided with two lining concrete in the inner side of section of jurisdiction, is provided with waterproof layer between section of jurisdiction and two lining concrete；By the setting of water penetration injecting paste material, the structure of existing section of jurisdiction can be effectively ensured, the destruction to ground water regime can be reduced again；And the setting of waterproof layer, can effectively prevent Groundwater infiltration tunnel internal, play waterproof effect.
Further, described water penetration injecting paste material includes cement, coarse aggregate, water, bentonite slurry and additive；Cement adopts that intensity is higher, the less portland cement of composite material volume or Portland cement, and strength of cement grade is preferably more than 32.5, and cement consumption ensures at 300-500kg/m3, bentonite slurry water-swellable effect, the good space filled between section of jurisdiction and stratum, ensure the effect that allows Groundwater formation circulate on comprcssive strength basis, be not likely to produce slip casting blocking or the excessive situation of grouting amount.
Further, between the section of jurisdiction of splicing, it is provided with sealing rod, is effectively improved the sealing property between adjacent section of jurisdiction.
Further, the material of described sealing rod is hydro-expansive rubber material, by producing, on elastic reaction basis, to expand also by the chemical reaction self with water to the compression of encapsulant self, the constraint of seal groove is relied on to create after-expansion pressure on the contact surface.
Further, the skeleton of described coarse aggregate is the discarded concrete in the sand of 2.5-5mm, 5-10mm, 10-15mm, rubble or building waste, skeleton accounts for the 60%～75% of coarse aggregate, aggregate size is more little, the intergranular contact point of accumulation that gathers materials is more many, the injecting paste material intensity of preparation is more high, and water penetration is also more good.
Further, the ratio of mud of described water penetration injecting paste material is 0.28～0.33.
Further, waterproof layer is splash guard, and the material of splash guard is ethylene-vinyl acetate copolymer modified PE coiled material.
Adopt fine-ground fly-ash or silicon ash as active mineral admixture, use high efficiency water reducing agent etc. simultaneously, break the flocculation of slurry, make fine powder granule be well dispersed in slurry, improve intensity and the water penetration of material.When the ratio of mud can form comparatively ideal permeable structure when about 0.28-0.33, there is higher intensity and certain water penetration.
Further, described sealing rod is rectangle moulding.
Further, described sealing rod section is porous, it is possible to be effectively increased rubber decrement.
Further, slip casting wall laminating section of jurisdiction is peripheral and ringwise.
The construction method of described water rich strata section of jurisdiction combinative structure, specifically comprises the following steps that
1) section of jurisdiction is carried out assembly in tunneling process and arranges sealing rod between two pieces of adjacent sections of jurisdiction by shield machine；
2) internal layer in section of jurisdiction arranges the waterproof layer being adjacent to section of jurisdiction；
3) two lining concrete of annular are set inside waterproof layer inside waterproof layer；
4) it is adjacent to the water penetration injecting paste material of section of jurisdiction as slip casting wall in the arranged outside of section of jurisdiction.
Further, described step 2) in splash guard splicing or overlap joint arrange, the stitching portion of splash guard and the stitching portion of section of jurisdiction are crisscross arranged, and splash guard is installed from bottom to top.
The operation principle of the present invention is: destroyed the path of script by fluid-tight slip casting coalition for recirculated water substantial amounts of in prior art, more subsoil water enters this practical situation of river only by subsoil water facility, by injecting paste material is set to impermeable material in the present invention, the sealing rod of rectangle is set between adjacent section of jurisdiction, and waterproof layer is set between section of jurisdiction and two lining concrete, can being effectively ensured the structure in tunnel, can reduce again the destruction to subsoil water, effect is notable.
The invention has the beneficial effects as follows:
1) dank material selected by slip casting wall, reduces circulating of subsoil water, alleviates soil erosion, protects surface ecosystems；Slip casting process is not easy to produce that grouting amount is excessive or the situation such as jam of grouting pipe；Water rich strata cavity can be sufficient filling with by bentonite water-swellable, reduces the surface subsidence that construction causes.
2) waterproof layer is increased between section of jurisdiction and two linings, in conjunction with the effect of section of jurisdiction self waterproof and rubber water-proof bar, make waterproof effect obtain great lifting, though secondary lining produce crack or section of jurisdiction infiltration, also can effectively prevent water from entering tunnel internal, provide possibility for long-term waterproof.
3) by the change of tradition injecting paste material and the combinative structure adding waterproof layer; not only solve the safety problem of tunnel water proofing, ensure the circulation of subsoil water around tunnel simultaneously, alleviate the sustainable development of urban groundwater; accelerate urban construction, protect area surroundings.
Accompanying drawing explanation
Fig. 1 is water rich strata special section of jurisdiction combinative structure schematic diagram
Fig. 2 is the special section of jurisdiction combined joint figure of water rich strata
In figure, 1 tunnel segment structure；2 splash guards；3 two lining concrete；4 slip casting walls；5 surroundings；6 rubber water-proof bars.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete description.
As it is shown in figure 1, water rich strata special section of jurisdiction combinative structure, serve as a contrast water penetration injecting paste material 4 around concrete 3, splash guard 2 and section of jurisdiction including tunnel segment structure 1, two.
Wherein in tunnel segment structure 1, construction joint arranges rubber water-proof bar 6, rubber water-proof bar 6 is according to the actual size of every plot of section of jurisdiction sealing groove, the rectangle moulding closed is become in factory process, before pipe sheet assembling, being inserted in section of jurisdiction sealing groove, after assembly, each section of jurisdiction extrudes rubber water-proof bar 6 mutually, thus reaching sealing purpose, for increasing rubber decrement, improving stagnant water effect, rubber strip section adopts porous.Sealing rod possesses certain endurance quality, including water-proof function durability, resistance to water, resistance to power fatigability, resistance to dry and wet fatigability, chemical resistance etc.；Rubber water-proof bar 6 adopts hydro-expansive rubber material, by producing, on elastic reaction basis, to expand also by the chemical reaction self with water to the compression of encapsulant self, relies on the constraint of seal groove to create after-expansion pressure on the contact surface.
Between tunnel segment structure 1 and two lining concrete 3, splash guard 2 is set.Splash guard 2 adopts EVA (ethylene-vinyl acetate copolymer) modified PE coiled material, mainly uses EVA modified PE, and EVA mixes and measures 40%.Splash guard 2 thickness is 2.5mm, and width takes 3m.The every physical and mechanical property of splash guard 2 is: hot strength >=12MPa, elongation at break >=200%, heat treatment rate of change≤2.5%, low-temperature bending is at-20 DEG C of flawlesses, and splash guard 2 has good puncture resistance, durability, resistance to water, impermeability, corrosion resistance, fungus resistance etc. simultaneously；Meanwhile, splash guard is laid by ring, and according to the form of fissure of displacement splicing between splash guard 2 and section of jurisdiction, the gap between section of jurisdiction is covered by splash guard 2, simultaneously the fixing splash guard 2 of the bolt in section of jurisdiction.
Splash guard 2 is implemented ground spliced.During welding, one piece of splash guard 2 is tiled on the ground, another block splash guard 2 is placed on front splash guard, it is ensured that the amount of lap of more than 10cm also makes each position align.
The splash guard 2 spliced is spread from lower to upper, it is ensured that lay splash guard 2 accurate with section of jurisdiction relative position；Process of deployment finds leaky on-call maintenance；During secondary lining casting concrete, splash guard 2 need to be protected, it is prevented that poke splash guard 2.
Slip casting wall 4 is water penetration injecting paste material.The injecting paste material that the present invention adopts is dank material.Slip casting wall grouting serous fluid is made up of materials such as cement, coarse aggregate, water, bentonite slurry, additives.Cement adopts that intensity is higher, the less portland cement of composite material volume or Portland cement, and strength of cement takes 42.5, and cement consumption takes 450kg/m3.Coarse aggregate adopts particle diameter discarded concrete etc. in the normal sands of 2.5-5mm, 5-10mm, rubble or building waste to gather materials as skeleton, accounts for cumulative volume 70%.Adopt fine-ground fly-ash or silicon ash as active mineral admixture, use high efficiency water reducing agent etc. simultaneously.The ratio of mud controls about 0.31, and injecting paste material is made technique and adopted normal agitation method, according to certain match ratio by extremely uniform to coarse aggregate and about cement mixing and stirring 60s, continues stirring until uniform after adding water.
The construction method of water rich strata section of jurisdiction combinative structure, specifically comprises the following steps that
1) section of jurisdiction is carried out assembly in tunneling process and arranges rubber water-proof bar 6 between two pieces of adjacent sections of jurisdiction by shield machine；
2) internal layer in section of jurisdiction arranges the splash guard 2 being adjacent to section of jurisdiction；
3) two lining concrete 3 of annular are set inside splash guard 2 inside splash guard 2；
4) it is adjacent to the water penetration injecting paste material of section of jurisdiction as slip casting wall 4 in the arranged outside of section of jurisdiction.
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention; can also making some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (10)
1. water rich strata section of jurisdiction combinative structure, it is characterised in that include the section of jurisdiction of many group splicings, arranged outside slip casting wall in section of jurisdiction, the material of slip casting wall is water penetration injecting paste material, is provided with two lining concrete in the inner side of section of jurisdiction, is provided with waterproof layer between section of jurisdiction and two lining concrete.
2. water rich strata section of jurisdiction as claimed in claim 1 combinative structure, it is characterised in that described water penetration injecting paste material includes cement, coarse aggregate, water, bentonite slurry and additive.
3. water rich strata section of jurisdiction as claimed in claim 1 combinative structure, it is characterised in that being provided with sealing rod between the section of jurisdiction of splicing, the material of sealing rod is hydro-expansive rubber material.
4. water rich strata section of jurisdiction as claimed in claim 1 combinative structure, it is characterised in that described waterproof layer is splash guard, and the material of splash guard is ethylene-vinyl acetate copolymer modified PE coiled material.
5. water rich strata section of jurisdiction as claimed in claim 2 combinative structure, it is characterised in that the skeleton of described coarse aggregate is the discarded concrete in the sand of 2.5-5mm, 5-10mm, 10-15mm, rubble or building waste, and skeleton accounts for the 60%～75% of coarse aggregate.
6. water rich strata section of jurisdiction as claimed in claim 1 or 2 combinative structure, it is characterised in that the ratio of mud of described water penetration injecting paste material is 0.28～0.33.
7. water rich strata section of jurisdiction as claimed in claim 3 combinative structure, it is characterised in that described sealing rod is rectangle moulding.
8. the water rich strata section of jurisdiction combinative structure as described in claim 3 or 7, it is characterised in that described sealing rod section is porous.
9. the construction method of the water rich strata section of jurisdiction combinative structure as according to any one of claim 1-8, it is characterised in that specifically comprise the following steps that
1) section of jurisdiction is carried out assembly in tunneling process and arranges sealing rod between two pieces of adjacent sections of jurisdiction by shield machine；
2) internal layer in section of jurisdiction arranges the waterproof layer being adjacent to section of jurisdiction；
3) two lining concrete of annular are set inside waterproof layer inside waterproof layer；
4) it is adjacent to the water penetration injecting paste material of section of jurisdiction as slip casting wall in the arranged outside of section of jurisdiction.
10. construction method as claimed in claim 9, it is characterised in that described step 2) in splash guard splicing or overlap joint arrange, the stitching portion of splash guard and the stitching portion of section of jurisdiction are crisscross arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610140503.8A CN105781575B (en) | 2016-03-11 | 2016-03-11 | Water-rich stratum pipe piece combined structure and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610140503.8A CN105781575B (en) | 2016-03-11 | 2016-03-11 | Water-rich stratum pipe piece combined structure and construction method thereof |
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| Publication Number | Publication Date |
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| CN105781575A true CN105781575A (en) | 2016-07-20 |
| CN105781575B CN105781575B (en) | 2020-11-13 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107044288A (en) * | 2017-05-22 | 2017-08-15 | 中铁第勘察设计院集团有限公司 | Prefabricated support lining structure and construction method for large-deformation tunnel in soft rock |
| CN107575250A (en) * | 2017-09-30 | 2018-01-12 | 康泰卓越（北京）建筑科技有限公司 | Operation phase duct pieces of shield tunnel seam blowby area method for blocking and radical cure method for maintaining |
| CN108868816A (en) * | 2018-07-12 | 2018-11-23 | 广东省水利水电科学研究院 | Shield composite lining water-conveyance tunnel with discharge structure between interior outer lining |
| CN109162728A (en) * | 2017-09-25 | 2019-01-08 | 许生安 | A kind of tunnel structure of high-strength anti-seismic |
| CN110905538A (en) * | 2019-12-30 | 2020-03-24 | 中铁隧道局集团有限公司 | Construction method for TBM (Tunnel boring machine) of unfavorable geological section |
| CN110939450A (en) * | 2019-11-27 | 2020-03-31 | 中建五局土木工程有限公司 | Shield excavation grouting structure for water-rich disturbance sensitive stratum and construction method |
| CN111502712A (en) * | 2020-05-29 | 2020-08-07 | 中铁二院工程集团有限责任公司 | Tunnel lining waterproof structure suitable for surrounding rock to be salt rock stratum |
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| CN107044288A (en) * | 2017-05-22 | 2017-08-15 | 中铁第勘察设计院集团有限公司 | Prefabricated support lining structure and construction method for large-deformation tunnel in soft rock |
| CN109162728A (en) * | 2017-09-25 | 2019-01-08 | 许生安 | A kind of tunnel structure of high-strength anti-seismic |
| CN109162728B (en) * | 2017-09-25 | 2020-01-10 | 济宁市鸿翔公路勘察设计研究院有限公司 | High-strength anti-seismic tunnel structure |
| CN107575250A (en) * | 2017-09-30 | 2018-01-12 | 康泰卓越（北京）建筑科技有限公司 | Operation phase duct pieces of shield tunnel seam blowby area method for blocking and radical cure method for maintaining |
| CN107575250B (en) * | 2017-09-30 | 2018-10-23 | 康泰卓越（北京）建筑科技有限公司 | Operation phase duct pieces of shield tunnel seam blowby area method for blocking and radical cure method for maintaining |
| CN108868816A (en) * | 2018-07-12 | 2018-11-23 | 广东省水利水电科学研究院 | Shield composite lining water-conveyance tunnel with discharge structure between interior outer lining |
| CN108868816B (en) * | 2018-07-12 | 2024-05-31 | 广东省水利水电科学研究院 | Shield composite lining water delivery tunnel with inner and outer lining drainage structures |
| CN110939450A (en) * | 2019-11-27 | 2020-03-31 | 中建五局土木工程有限公司 | Shield excavation grouting structure for water-rich disturbance sensitive stratum and construction method |
| CN110905538A (en) * | 2019-12-30 | 2020-03-24 | 中铁隧道局集团有限公司 | Construction method for TBM (Tunnel boring machine) of unfavorable geological section |
| CN111502712A (en) * | 2020-05-29 | 2020-08-07 | 中铁二院工程集团有限责任公司 | Tunnel lining waterproof structure suitable for surrounding rock to be salt rock stratum |
| CN111502712B (en) * | 2020-05-29 | 2022-03-15 | 中铁二院工程集团有限责任公司 | Tunnel lining waterproof structure suitable for surrounding rock to be salt rock stratum |
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