CN105948572A - Kenixiao material and use method thereof - Google Patents
Kenixiao material and use method thereof Download PDFInfo
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- CN105948572A CN105948572A CN201610279134.0A CN201610279134A CN105948572A CN 105948572 A CN105948572 A CN 105948572A CN 201610279134 A CN201610279134 A CN 201610279134A CN 105948572 A CN105948572 A CN 105948572A
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- water
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- mixed liquor
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- 239000000463 material Substances 0.000 title claims abstract description 119
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 28
- 239000002562 thickening agent Substances 0.000 claims abstract description 15
- 239000004014 plasticizer Substances 0.000 claims abstract description 14
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 13
- 239000003381 stabilizer Substances 0.000 claims abstract description 13
- 239000001913 cellulose Substances 0.000 claims abstract description 12
- 229920002678 cellulose Polymers 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 claims description 19
- 230000000149 penetrating effect Effects 0.000 claims description 17
- 238000004078 waterproofing Methods 0.000 claims description 14
- 238000005086 pumping Methods 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 11
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract 2
- 230000005641 tunneling Effects 0.000 abstract 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract 1
- 229910052791 calcium Inorganic materials 0.000 abstract 1
- 239000011575 calcium Substances 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 235000010216 calcium carbonate Nutrition 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 239000004567 concrete Substances 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 229920002472 Starch Polymers 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 230000034994 death Effects 0.000 description 2
- 231100000517 death Toxicity 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011440 grout Substances 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000008674 spewing Effects 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 238000013517 stratification Methods 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- ONCZQWJXONKSMM-UHFFFAOYSA-N dialuminum;disodium;oxygen(2-);silicon(4+);hydrate Chemical compound O.[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Na+].[Na+].[Al+3].[Al+3].[Si+4].[Si+4].[Si+4].[Si+4] ONCZQWJXONKSMM-UHFFFAOYSA-N 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000000017 hydrogel Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 229910001387 inorganic aluminate Inorganic materials 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- -1 organobentonite Chemical compound 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229940080314 sodium bentonite Drugs 0.000 description 1
- 229910000280 sodium bentonite Inorganic materials 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/28—Polysaccharides or derivatives thereof
- C04B26/285—Cellulose or derivatives thereof
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a Kenixiao material. A material A is a base material comprising the following substances in percentage by mass: 95.5% of modified inorganic calcium carbonate, and 4.5% of calcium cellulose; and a material B is an auxiliary material comprising the following substances in percentage by mass: 5% of a plasticizer, 1.5% of a thickener, 10% of a penetrant, 10% of a waterproof agent, 3% of a stabilizer, and 70.5% of water. A use method of the Kenixiao material comprises the steps of: mixing the material A with water, preparing the material B, mixing all the materials, performing injection, and performing cleaning. The Kenixiao material disclosed by the invention has the characteristics of high water tightness, rapid molding, capabilities of never being solidified and becoming viscous quickly. By utilization of an original grouting pump on a shield tunneling machine, the Kenixiao material disclosed by the invention is injected to the periphery of a shield body by virtue of an advanced grouting hole to fill up gaps above the shield body, so that accidents of land subsidence and the like during construction of the shield tunneling machine can be effectively avoided, then the capability of preventing potential safety hazards is improved, and personnel casualties and property losses are reduced.
Description
Technical field
The present invention relates to a kind of construction material, specifically provide a kind of novel gram of mud effect material and using method.
Background technology
At present, all shield constructions all can run into a unavoidable problem is surface subsidence.Ground settlement conference causes the accidents such as surface collapse, building collapsing, underground utilities rupture.Cutter diameter due to shield machine is more than the diameter of shield body, and the footpath, hole formed after cutterhead excavation is more than the diameter of shield body, one cavity of convenient formation in shield body.If cavity cannot be filled in time, it will surface subsidence occurs.The present commonly used cement mortar of shield machine industry adds waterglass both materials and is used as the material of shield machine back grouting behind shaft or drift lining and second pulp feeding, the gap above section of jurisdiction can effectively be filled by both materials, but cannot be used for filling the gap above shield body, because shield chance is stuck after cement slurry sets, it is impossible to continue any construction.Therefore, the cavity above shield body has no idea to be filled with, and surface subsidence problem cannot be avoided always.
Summary of the invention
It is an object of the invention to provide a kind of novel gram of mud effect material, be suitable for filling shield machine shield body and lamellar spacing, ground.
The present invention specifically provides a kind of gram of mud effect material, including materials A and material B, wherein, material based on materials A, including following mass fraction material: modified inorganic calcium carbonate 85.5 ~ 99.5%, calcareous cellulose 14.5 ~ 0.5%；Described modified inorganic calcium carbonate is 3000 mesh precipitated calcium carbonates.
Material B is auxiliary material, including following mass fraction material: plasticizer 0.5 ~ 10%, thickening agent 0.1 ~ 3%, penetrating agent 2 ~ 20%, waterproofing agent 2 ~ 20%, stabilizer 0.5 ~ 10%, water 50 ~ 80%.
Concrete, materials A includes following mass fraction material: modified inorganic calcium carbonate 90.5 ~ 97.5%, calcareous cellulose 9.5 ~ 2.5%；Material B includes following mass fraction material: plasticizer 4 ~ 6%, thickening agent 1 ~ 2%, penetrating agent 8 ~ 12%, waterproofing agent 8 ~ 12%, stabilizer 1.5 ~ 4.5%, water 65 ~ 75%.
Concrete, materials A includes following mass fraction material: modified inorganic calcium carbonate 95.5%, calcareous cellulose 4.5%；Material B includes following mass fraction material: plasticizer 5%, thickening agent 1.5%, penetrating agent 10%, waterproofing agent 10%, stabilizer 3%, water 70.5%.
Plasticizer in the present invention is phthalic ester plasticizer；
Thickening agent be inorganic thickening agent, water soluble resin class, water-soluble starch based, synthesis macromolecule thickener one of them, include but not limited to sodium bentonite, organobentonite, kieselguhr, Silica hydrogel, polyacrylamide, polyvinyl alcohol, polyvinylpyrrolidone polyethylene glycol oxide, modified paraffin resin, polyacrylic acid, polyurethane, starch one of them or a combination thereof；
Penetrating agent be the penetrating agent of resistance to highly acid, strong basicity resisting penetrating agent, weak acid resistant penetrating agent, the penetrating agent of resistance to alkalescence, weakly acidic pH penetrating agent one of them；
Waterproofing agent is higher fatty acids waterproofing agent, concrete waterproofer, inorganic aluminate water-proof agent, waterproofing agent of organosilicon one of them or a combination thereof；
Stabilizer is retarder, preventing agent, corrosion inhibitor, antifreezing agent, pumping admixture one of them or a combination thereof.
The using method of a kind of gram of mud effect material, comprises the steps:
A, materials A: water, with the ratio mix homogeneously of weight ratio 1:1 ~ 3, forms mixed liquor；
B, step a obtain mixed liquor, according to mixed liquor: material B prepares material B with the ratio of volume ratio 3 ~ 5:1, and by each component mix homogeneously in material B；
C, mixed liquor and material B are delivered to hybrid gun, be injected into together outside shield shell；Or utilize the original plunger displacement pump of shield machine to pump mixed liquor, utilize shield machine original B liquid pump pump material B；
After d, pumping terminate, use rinse water that pipeline is carried out.
Concrete, the mixed proportion in step a is materials A: water is mass ratio 1:2；Mixed proportion in step b is mixed liquor: material B volume ratio 4:1.
Gram mud effect material that the present invention is produced has high sealing, rapid shaping, never solidification, the feature of quick stickyization.Utilize original grouting pump on shield machine, by the pre-grouting hole injection present invention in shield body to shield body surrounding, to fill the space above shield body, and then avoid surface subsidence.
The present invention has a following advantages:
1, have good dash, water resistant diluted stream and in pressure property, break one gram of mud effect material to be wrapped up by shield machine in shield machine border, formed and seal the clay ring that blocks water the most reliably, can effectively completely cut off the gap between shield body and stratum, place shield machine overhead surface and settle；
2, at the geological stratification of subsoil water rich content, the present invention can substitute mortar material and fill solution cavity, prevents shield machine from sinking or pricks head；
3, shield received well that sand content big high at subsoil water hydraulic pressure, by injecting the present invention to its termination, can play the effect of waterproof sand control, reduces shield machine and appears cost, reduces the engineering time, improve the safety of construction；
4, on the stratum that spewing phenomenon is strong, by injecting the present invention to cutterhead front, form one impermeable layer, prevent subsoil water from entering soil cabin, it is possible to effectively solve to gush a difficult problem.
The present invention is used for filling the cavity above shield body, can play bearing formation pressure, never solidify, so shield machine will not be stuck, compensate for the geneogenous defect of cement grout, can be prevented effectively from shield-tunneling construction process generation surface subsidence and produce heavy losses.
The present invention is that shield-tunneling construction provides a kind of new auxiliary construction method, it is possible to be prevented effectively from shield machine and the accidents such as surface subsidence occur in the middle of work progress, and then improves the prevention ability of potential safety hazard, reduces injures and deaths and the loss of property of personnel.
Detailed description of the invention
Embodiment 1
The purpose of the present embodiment is to provide a kind of novel gram of mud effect material, is suitable for filling shield machine shield body and lamellar spacing, ground.
The present embodiment specifically provides a kind of gram of mud effect material, including materials A and material B, wherein, material based on materials A, including following mass fraction material: modified inorganic calcium carbonate 85.5 ~ 99.5%, calcareous cellulose 14.5 ~ 0.5%；
Material B is auxiliary material, including following mass fraction material: plasticizer 0.5 ~ 10%, thickening agent 0.1 ~ 3%, penetrating agent 2 ~ 20%, waterproofing agent 2 ~ 20%, stabilizer 0.5 ~ 10%, water 50 ~ 80%.
Concrete, materials A includes following mass fraction material: modified inorganic calcium carbonate 90.5 ~ 97.5%, calcareous cellulose 9.5 ~ 2.5%；Material B includes following mass fraction material: plasticizer 4 ~ 6%, thickening agent 1 ~ 2%, penetrating agent 8 ~ 12%, waterproofing agent 8 ~ 12%, stabilizer 1.5 ~ 4.5%, water 65 ~ 75%.
Concrete, materials A includes following mass fraction material: modified inorganic calcium carbonate 95.5%, calcareous cellulose 4.5%；Material B includes following mass fraction material: plasticizer 5%, thickening agent 1.5%, penetrating agent 10%, waterproofing agent 10%, stabilizer 3%, water 70.5%.
The using method of a kind of gram of mud effect material, comprises the steps:
A, materials A: water, with the ratio mix homogeneously of weight ratio 1:1 ~ 3, forms mixed liquor；
B, step a obtain mixed liquor, according to mixed liquor: material B prepares material B with the ratio of volume ratio 3 ~ 5:1, and by each component mix homogeneously in material B；
C, mixed liquor and material B are delivered to hybrid gun, be injected into together outside shield shell；Or
Utilize the original plunger displacement pump of shield machine to pump mixed liquor, utilize shield machine original B liquid pump pump material B；
After d, pumping terminate, use rinse water that pipeline is carried out.
Concrete, the mixed proportion in step a is materials A: water is mass ratio 1:2；Mixed proportion in step b is mixed liquor: material B volume ratio 4:1.
Gram mud effect material that the present embodiment is produced has high sealing, rapid shaping, never solidification, the feature of quick stickyization.Utilize original grouting pump on shield machine, inject the present embodiment to shield body surrounding by the pre-grouting hole in shield body, to fill the space above shield body, and then avoid surface subsidence.
The present embodiment has a following advantages:
1, have good dash, water resistant diluted stream and in pressure property, break one gram of mud effect material to be wrapped up by shield machine in shield machine border, formed and seal the clay ring that blocks water the most reliably, can effectively completely cut off the gap between shield body and stratum, place shield machine overhead surface and settle；
2, at the geological stratification of subsoil water rich content, the present embodiment can substitute mortar material and fill solution cavity, prevents shield machine from sinking or pricks head；
3, shield received well that sand content big high at subsoil water hydraulic pressure, by injecting the present embodiment to its termination, can play the effect of waterproof sand control, reduces shield machine and appears cost, reduces the engineering time, improve the safety of construction；
4, on the stratum that spewing phenomenon is strong, by injecting the present embodiment to cutterhead front, form one impermeable layer, prevent subsoil water from entering soil cabin, it is possible to effectively solve to gush a difficult problem.
The present embodiment is used for filling the cavity above shield body, can play bearing formation pressure, never solidify, so shield machine will not be stuck, compensate for the geneogenous defect of cement grout, can be prevented effectively from shield-tunneling construction process generation surface subsidence and produce heavy losses.
The present embodiment is that shield-tunneling construction provides a kind of new auxiliary construction method, it is possible to be prevented effectively from shield machine and the accidents such as surface subsidence occur in the middle of work progress, and then improves the prevention ability of potential safety hazard, reduces injures and deaths and the loss of property of personnel.
Embodiment 2
The present embodiment removes,
Materials A includes following mass fraction material: the modified inorganic calcium carbonate of 94%, the calcareous cellulose of 6%；
Material B includes following mass fraction material: the plasticizer of 4.5%, the thickening agent of 1%, the penetrating agent of 11%, the waterproofing agent of 11%, the stabilizer of 2%, the water of 70.5%；
Remaining formula, proportioning, using method, technical scheme, implementation result are same as in Example 1.
Embodiment 3
The present embodiment removes,
Materials A includes following mass fraction material: the modified inorganic calcium carbonate of 96%, the calcareous cellulose of 4%；
Material B includes following mass fraction material: the plasticizer of 6%, the thickening agent of 2%, the penetrating agent of 9%, the waterproofing agent of 9%, the stabilizer of 4%, the water of 70%；
Remaining formula, proportioning, using method, technical scheme, implementation result are same as in Example 1.
Embodiment 4
After the present embodiment proportionally mixes except mixed liquor and material B and co-implanted, remaining technical scheme, embodiment, Expected Results are same as in Example 1.
Above-described embodiment only for technology design and the feature of the present invention are described, its object is to allow person skilled in the art will appreciate that present disclosure and to implement according to this, can not limit the scope of the invention with this.All equivalence changes made according to spirit of the invention or modification, all should contain within protection scope of the present invention.
Claims (5)
1. one kind of gram of mud effect material, it is characterised in that: include materials A and material B, wherein,
Material based on materials A, including following mass fraction material:
Modified inorganic calcium carbonate, 85.5 ~ 99.5%
Calcareous cellulose, 14.5 ~ 0.5%；
Material B is auxiliary material, including following mass fraction material:
Plasticizer, 0.5 ~ 10%
Thickening agent, 0.1 ~ 3%
Penetrating agent, 2 ~ 20%
Waterproofing agent, 2 ~ 20%
Stabilizer, 0.5 ~ 10%
Water, 50 ~ 80%.
2. according to the novel gram of mud effect material described in claim 1, it is characterised in that: include materials A and material B, wherein,
Materials A includes following mass fraction material:
Modified inorganic calcium carbonate, 90.5 ~ 97.5%
Calcareous cellulose, 9.5 ~ 2.5%；
Material B includes following mass fraction material:
Plasticizer, 4 ~ 6%
Thickening agent, 1 ~ 2%
Penetrating agent, 8 ~ 12%
Waterproofing agent, 8 ~ 12%
Stabilizer, 1.5 ~ 4.5%
Water, 65 ~ 75%.
3. according to the novel gram of mud effect material described in claim 2, it is characterised in that: include materials A and material B, wherein,
Materials A includes following mass fraction material:
Modified inorganic calcium carbonate, 95.5%
Calcareous cellulose, 4.5%；
Material B includes following mass fraction material:
Plasticizer, 5%
Thickening agent, 1.5%
Penetrating agent, 10%
Waterproofing agent, 10%
Stabilizer, 3%
Water, 70.5%.
4. the using method of gram mud effect material described in a claim 1, it is characterised in that comprise the steps:
Materials A: water, with the ratio mix homogeneously of weight ratio 1:1 ~ 3, forms mixed liquor；
Step a obtains mixed liquor, according to mixed liquor: material B prepares material B with the ratio of volume ratio 3 ~ 5:1, and by each component mix homogeneously in material B；
Mixed liquor and material B are delivered to hybrid gun, is injected into together outside shield shell；Or
Utilize the original plunger displacement pump of shield machine to pump mixed liquor, utilize shield machine original B liquid pump pump material B；
After pumping terminates, use rinse water that pipeline is carried out.
5. according to the using method of gram mud effect material described in claim 4, it is characterised in that: the mixed proportion in step a is materials A: water is mass ratio 1:2；Mixed proportion in step b is mixed liquor: material B volume ratio 4:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610279134.0A CN105948572A (en) | 2016-05-03 | 2016-05-03 | Kenixiao material and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610279134.0A CN105948572A (en) | 2016-05-03 | 2016-05-03 | Kenixiao material and use method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105948572A true CN105948572A (en) | 2016-09-21 |
Family
ID=56916724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610279134.0A Pending CN105948572A (en) | 2016-05-03 | 2016-05-03 | Kenixiao material and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105948572A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593451A (en) * | 2016-12-22 | 2017-04-26 | 上海三瑞高分子材料股份有限公司 | Clay shock material for controlling settlement of shield-tunneled soil body |
| CN108409227A (en) * | 2018-02-02 | 2018-08-17 | 中交第二航务工程局有限公司 | Slurry, which is abandoned, using slurry shield abandons sand co-formulated Testing of Grouting Material Behind Segments method |
-
2016
- 2016-05-03 CN CN201610279134.0A patent/CN105948572A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593451A (en) * | 2016-12-22 | 2017-04-26 | 上海三瑞高分子材料股份有限公司 | Clay shock material for controlling settlement of shield-tunneled soil body |
| CN108409227A (en) * | 2018-02-02 | 2018-08-17 | 中交第二航务工程局有限公司 | Slurry, which is abandoned, using slurry shield abandons sand co-formulated Testing of Grouting Material Behind Segments method |
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Application publication date: 20160921 |