CN107827422A - High waterproof simultaneous grouting slurry for seabed shield tunnel - Google Patents
High waterproof simultaneous grouting slurry for seabed shield tunnel Download PDFInfo
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- CN107827422A CN107827422A CN201711193085.XA CN201711193085A CN107827422A CN 107827422 A CN107827422 A CN 107827422A CN 201711193085 A CN201711193085 A CN 201711193085A CN 107827422 A CN107827422 A CN 107827422A
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- Prior art keywords
- water
- calcium hydroxide
- shield tunnel
- mesh
- high waterproof
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Links
- 239000002002 slurry Substances 0.000 title claims abstract description 78
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 72
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 67
- 239000000463 material Substances 0.000 claims abstract description 58
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 51
- 239000000920 calcium hydroxide Substances 0.000 claims abstract description 51
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims abstract description 51
- 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 claims abstract description 49
- 229940080314 sodium bentonite Drugs 0.000 claims abstract description 49
- 229910000280 sodium bentonite Inorganic materials 0.000 claims abstract description 49
- 239000004576 sand Substances 0.000 claims abstract description 44
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 43
- 238000004078 waterproofing Methods 0.000 claims abstract description 34
- 239000011230 binding agent Substances 0.000 claims abstract description 33
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 30
- 239000002994 raw material Substances 0.000 claims abstract description 28
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims abstract description 26
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims abstract description 26
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims abstract description 26
- 239000004568 cement Substances 0.000 claims abstract description 22
- 229920002401 polyacrylamide Polymers 0.000 claims abstract description 18
- 210000004911 serous fluid Anatomy 0.000 claims abstract description 16
- -1 hydroxyl Propyl Chemical group 0.000 claims description 26
- HSHXDCVZWHOWCS-UHFFFAOYSA-N N'-hexadecylthiophene-2-carbohydrazide Chemical compound CCCCCCCCCCCCCCCCNNC(=O)c1cccs1 HSHXDCVZWHOWCS-UHFFFAOYSA-N 0.000 claims description 25
- 238000003756 stirring Methods 0.000 claims description 24
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 claims description 24
- 239000011398 Portland cement Substances 0.000 claims description 21
- 125000001931 aliphatic group Chemical group 0.000 claims description 21
- 229920005646 polycarboxylate Polymers 0.000 claims description 21
- 150000008130 triterpenoid saponins Chemical group 0.000 claims description 21
- 239000004743 Polypropylene Substances 0.000 claims description 12
- 150000001408 amides Chemical class 0.000 claims description 12
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 12
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 12
- 229920001155 polypropylene Polymers 0.000 claims description 12
- 238000002360 preparation method Methods 0.000 claims description 12
- 229940092782 bentonite Drugs 0.000 claims description 4
- 229910000278 bentonite Inorganic materials 0.000 claims description 4
- 239000000440 bentonite Substances 0.000 claims description 4
- 229920003091 Methocel™ Polymers 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 238000010008 shearing Methods 0.000 abstract description 6
- 239000013535 sea water Substances 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 14
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 10
- 235000011941 Tilia x europaea Nutrition 0.000 description 10
- 239000004571 lime Substances 0.000 description 10
- 239000000835 fiber Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 235000019738 Limestone Nutrition 0.000 description 6
- 239000006028 limestone Substances 0.000 description 6
- 235000013312 flour Nutrition 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 238000007569 slipcasting Methods 0.000 description 5
- 239000004575 stone Substances 0.000 description 5
- 238000005336 cracking Methods 0.000 description 4
- 238000010790 dilution Methods 0.000 description 4
- 239000012895 dilution Substances 0.000 description 4
- 239000010881 fly ash Substances 0.000 description 4
- 239000003673 groundwater Substances 0.000 description 3
- 238000001764 infiltration Methods 0.000 description 3
- 230000008595 infiltration Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000004570 mortar (masonry) Substances 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium 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
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000002699 waste material Substances 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/10—Lime cements or magnesium oxide cements
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00724—Uses not provided for elsewhere in C04B2111/00 in mining operations, e.g. for backfilling; in making tunnels or galleries
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00732—Uses not provided for elsewhere in C04B2111/00 for soil stabilisation
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/70—Grouts, e.g. injection mixtures for cables for prestressed concrete
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The present invention provides a kind of new high waterproof simultaneous grouting slurry for seabed shield tunnel, and the slurries raw materials by weight includes following component：Binder materials 7.0 9.5%, levigate agstone 14.5 17.5%, sodium bentonite 2.6 4.2%, river sand 55 60%, waterproofing agent are the 3.0% of gel material content, water reducer is the 1.0% of gel material content, hydroxypropyl methyl cellulose is the 0.5% of gel material content, polyacrylamide is the 0.1% of gel material content, 0.03% that air entraining agent is gel material content, and surplus is water；The binder materials includes cement and calcium hydroxide, and the mass ratio of the cement and calcium hydroxide is 4.0 5.5：3.0‑4.0.Grouting serous fluid provided by the invention has higher waterproof ability and higher early stage shear strength, and resistant to sea water penetrating power is strong, can provide certain anti-shearing force, so as to efficiently solve duct piece float upward, crack and water leakage problem, plays a part of stable section of jurisdiction.
Description
Technical field
The present invention relates to building material field, and in particular to a kind of high waterproof synchronous grouting for seabed shield tunnel is starched
Liquid.
Background technology
Shield tunnel construction is more and more common in city underground, high-speed railway construction, is especially passing through rivers, bay etc.
Area, more embody the superiority of shield tunnel construction.Synchronous grouting is the successful key link of shield-tunneling construction, and slurries filling is managed
Piece the space between stratum, so as to stablize section of jurisdiction, while one layer of waterproof layer of formation, plays the work for preventing Groundwater infiltration behind
With.
Shield-tunneling construction is carried out in Bay area, because stratum is aqueous abundant, and underground water has salt destruction, section of jurisdiction
After shield machine shield tail is released, often there is duct piece float upward, cracking, the situation of infiltration.But conventional slurries such as single slurry gel
Time is long, syneresis rate is big, anti-groundwater corrosivity can be poor, the short time is interior equivalent to supplemented with stratum water content after slip casting, on the contrary
The buoyancy of section of jurisdiction is increased, more easily causes duct piece float upward, cracking, section of jurisdiction is once cracking, and seawater is entered by crack
Inside concrete, serious corrosion is caused to reinforcing bar, substantially reduce the service life of structure, jeopardized structure safety, bring huge
Potential safety hazard.
Domestic shield synchronization slip casting is still mainly based on cement (addition flyash) mortar at present, such slurries flowing
Property it is good, but often calculus rate is low, anti-dilution property is poor, and in the stratum of rich groundwater, slurries are easy to be diluted, for a long time
Less than condensation, and consolidation post-shrinkage ratio is big, and section of jurisdiction has larger gap behind.Section of jurisdiction buoyancy suffered after shield tail is deviate from
Relevant with the volume for arranging water, this plasmoid humor is difficult to provide anti-shearing force after being diluted, and can not only resist duct piece float upward, very
To the water content increased in stratum, it is easier to cause duct piece float upward.European countries use inert slurry more, using lime as gelling
Material, the characteristics of this plasmoid humor grown using the time, volume contraction is small, but shortcoming be present：1) early strength is low, early stage shearing resistance
Cut that value is low, be unfavorable for the stabilization of shield duct piece in water rich strata.2) the slurries slump is small, construction inconvenience, easy plugging.3) slump
When big, anti-dilution capacity is poor, is easily diluted in water rich strata, does not have the effect of stable section of jurisdiction.It is Japanese to use biliquid more
, using cement mortar and waterglass as raw material, shortcoming be present in slurry：1) construction is complicated, and the operation to construction equipment and personnel is horizontal will
Ask high；2) easy plugging, inconvenience are promoted, and country's construction is using less.
Therefore, in order to solve above problem, a kind of new high waterproof simultaneous grouting slurry for seabed shield tunnel
Urgently study.
The content of the invention
In view of this, the present invention provides the height for seabed shield tunnel that a kind of slurries setting time is long, the property noted is good
Waterproof simultaneous grouting slurry, space after the wall of section of jurisdiction can be effectively filled, and pulp stability is good, syneresis rate is low, anticorrosive
Excellent performance, certain anti-shearing force can be provided, so as to efficiently solve duct piece float upward, crack and water leakage problem, played steady
The effect of fixed tube piece, smoothly tunneled for shield machine and strong technical guarantee is provided.
Provided by the present invention for the high waterproof simultaneous grouting slurry of seabed shield tunnel, the slurries raw material by weight hundred
Divide than including following component：Binder materials 7.0-9.5%, levigate agstone 14.5-17.5%, sodium bentonite 2.6-
4.2%th, river sand 55-60%, waterproofing agent are the 3.0% of gel material content, water reducer is the 1.0% of gel material content, hydroxyl
Propyl methocel is the 0.5% of gel material content, polyacrylamide is the 0.1% of gel material content, air entraining agent is
The 0.03% of gel material content, surplus are water；
The binder materials includes cement and calcium hydroxide, and the mass ratio of the cement and calcium hydroxide is 4.0-5.5：3.0-
4.0；
Further, the slurries raw materials by weight includes following component:Binder materials 8.5%, levigate lime stone
Powder 16.0%, sodium bentonite 3.5%, river sand 57.5%, waterproofing agent 0.255%, water reducer 0.085%, hydroxypropyl methyl are fine
Dimension element 0.0425%, polyacrylamide 0.0085%, air entraining agent 0.00255% and water 14.10645%；
The binder materials includes cement and calcium hydroxide, and the mass ratio of the cement and calcium hydroxide is 5.0：3.5；
Further, the modulus of fineness of the river sand is 1.6-3.0；
Further, the mass percent of montmorillonite is 80-90% in the sodium bentonite；The Na-bentonite soil granularity
For 150-200 mesh, expansion rate 20-30ml/g；
Further, the waterproofing agent is higher aliphatic acids waterproofing agent；The water reducer is polycarboxylate water-reducer, water-reducing rate
>=25%；The air entraining agent is triterpenoid saponin air entraining agent；
Further, the granularity of the levigate agstone is 150-180 mesh；
Further, the cement is Portland cement；
Further, the granularity of the calcium hydroxide is 200-300 mesh, content >=90% of (CaO+MgO) in the calcium hydroxide,
Sulfur trioxide content≤2%；
Further, the granularity of the hydroxypropyl methyl cellulose is 100-120 mesh, proportion 1.26-1.30；The polypropylene
The granularity of acid amides is 100-120 mesh；
Further, the preparation method of the grouting serous fluid comprises the following steps：First by hydroxypropyl methyl cellulose, polypropylene
Acid amides, air entraining agent, waterproofing agent and water reducer, which are added to the water, to stir, then with cement, levigate agstone, calcium hydroxide, sodium base
Bentonite, river sand mixing, and uniform stirring at least 150s, you can.
Beneficial effects of the present invention：
Prepared grouting serous fluid early stage shear strength is high in the present invention, can effectively suppress duct piece float upward；The property noted
It is good, easy construction, it is not easy plugging；It is not high to slip casting equipment and worker's level requirement；After slurries hardening, volume is not shunk, and can be had
Effect filling section of jurisdiction behind space.
Suitable raw material components are employed in the present invention, rational proportioning is equipped with and prepares simultaneous grouting slurry, with cement and
Calcium hydroxide is as binder materials, using stone flour as inserts, using river sand as aggregate, by add and adjust the dosage of additive come
Realize the property noted and stability of slurries；By using lime stone stone flour as inserts, instead of the flyash used at present, having
The quality fluctuation for solving to effect flyash has an impact and influenceed on the setting time of slurries the water consumption of slurries, influences to apply
The technical problem of work.It is cheap using agstone, the construction cost of shield grouting is greatly reduced, and solve its conduct
Waste disposal, pollution on the environment；Meanwhile it is levigate after lime stone stone flour as inserts, can play as flyash
The same lubrication, make obtained slurries that there is preferable mobility；In addition, lime stone stone flour is complete inertia blending
Material, when preparing slurries, the problems such as being not in volume contraction, fill factor is high, and slurries are stable.
The present invention prepares a kind of new injecting paste material, simultaneous grouting slurry requirement can by the combination of various materials
Note property is good, can effectively fill space after the wall of section of jurisdiction, and pulp stability is good, calculus rate is high, syneresis rate is low, has preferable
Anti- dilution, can provide certain anti-shearing force after slurries injection, so as to suppress duct piece float upward, play stable section of jurisdiction
Effect, so as to solve the problems, such as Segment cracking, infiltration, accelerate shield driving speed.Using grouting serous fluid provided by the invention
Formula, in the slurries prepared each raw material components can fabulous mixing disperse, mutually collaboration plays a role, and makes obtained slurries
With excellent performance, the construction requirement of seabed shield tunnel is disclosure satisfy that, stable section of jurisdiction is played, prevents duct piece float upward, resist
Sea water intrusion, the purpose for preventing section of jurisdiction seepage, smoothly tunneled for shield machine and strong technical guarantee is provided.
Embodiment
The high waterproof simultaneous grouting slurry for seabed shield tunnel that the present embodiment provides, the slurries raw material is by weight
Percentage includes following component：Binder materials 7.0-9.5%, levigate agstone 14.5-17.5%, sodium bentonite 2.6-
4.2%th, river sand 55-60%, waterproofing agent are the 3.0% of gel material content, water reducer is the 1.0% of gel material content, hydroxyl
Propyl methocel is the 0.5% of gel material content, polyacrylamide is the 0.1% of gel material content, air entraining agent is
The 0.03% of gel material content, surplus are water；
The binder materials includes cement and calcium hydroxide, and the mass ratio of the cement and calcium hydroxide is 4.0-5.5：3.0-
4.0。
Preferably, the slurries raw materials by weight includes following component:Binder materials 8.5%, levigate lime stone
Powder 16.0%, sodium bentonite 3.5%, river sand 57.5%, waterproofing agent 0.255%, water reducer 0.085%, hydroxypropyl methyl are fine
Dimension element 0.0425%, polyacrylamide 0.0085%, air entraining agent 0.00255% and water 14.10645%；
The binder materials includes cement and calcium hydroxide, and the mass ratio of the cement and calcium hydroxide is 5.0：3.5；This implementation
Suitable raw material components are employed in example, rational proportioning is equipped with and prepares simultaneous grouting slurry, each raw material components are organically whole
An entirety is combined into, prepared by the slip casting formula provided in strict accordance with the present embodiment, each raw material components can be made to obtain sufficiently
Reaction, so as to preferably play the interaction between raw material components, preparing has higher waterproof ability and higher morning
Phase shear strength, the high waterproof synchronous grouting for seabed shield tunnel that resistant to sea water penetrating power is strong and stability is good are starched
Liquid, while certain anti-shearing force can be provided, so as to efficiently solve duct piece float upward, crack and water leakage problem, play stable section of jurisdiction
Effect, smoothly tunneled for shield machine and strong technical guarantee be provided.Slurries setting time made from the present embodiment is grown, slurries
Up time is grown, and is 8-12h, is advantageous to the progress of site operation, and slurry fluidity is good, is easy to pump, and the slurries property noted is good,
Space after the wall of section of jurisdiction can effectively be filled；Pulp stability is good, syneresis rate is low, excellent corrosion resistance, transports over long distances not
Generation isolation, precipitation, meet that repeatedly transhipment requires over long distances；Slurries fillibility is good, uses the substantial amounts of levigate stone of inertia admixture
Limestone flour, volume is not shunk substantially after mortar hardening, is effectively filled with space after the wall of section of jurisdiction, plays stable section of jurisdiction, in suppression
Floating effect；Polyacrylamide has extraordinary water retention, after being mixed with other components, can greatly improve the resistance to sea of slip casting
Water-thinned can and the endurance quality such as salt resistance class crystalline fracture, the construction for the seabed shield tunnel that is adapted to grow up.In addition, the present embodiment
The raw material components of use are cheap, greatly reduce construction cost, have good social and economic benefit.
In the present embodiment, the modulus of fineness of the river sand is 1.6-3.0；, can be with slurry using river sand as slurries aggregate
Other raw material components after thorough mix-ing, can be cooperateed with mutually in liquid, improve the intensity of slurries, at the same overcome river sand because
Grain is larger and the problem of poor water retention property occurs, in addition, river sand wide material sources, cheap, has good economic benefit.
Enter in the present embodiment, the mass percent of montmorillonite is 80-90% in the sodium bentonite；The Na-bentonite
Soil granularity is 150-200 mesh, expansion rate 20-30ml/g；Sodium bentonite has excellent physical and chemical performance, can in slurries pole
Good is scattered, is mutually cooperateed with other raw material components in slurries, further to improve the mobility of slurries, stability, water proofing property
And viscosity etc..
In the present embodiment, the waterproofing agent is higher aliphatic acids waterproofing agent；The water reducer is polycarboxylate water-reducer, is subtracted
Water rate >=25%；The air entraining agent is triterpenoid saponin air entraining agent；Other raw material components can be cooperateed with, prepare the height of excellent performance
Waterproof simultaneous grouting slurry.
In the present embodiment, the granularity of the levigate agstone is 150-180 mesh；It is easily dispersed.
In the present embodiment, the cement is Portland cement.
In the present embodiment, the granularity of the calcium hydroxide is 200-300 mesh, the content of (CaO+MgO) in the calcium hydroxide >=
90%, sulfur trioxide content≤2%；
In the present embodiment, the granularity of the hydroxypropyl methyl cellulose is 100-120 mesh, proportion 1.26-1.30；It is described poly-
The granularity of acrylamide is 100-120 mesh.
In the present embodiment, the preparation method of the grouting serous fluid comprises the following steps：First by hydroxypropyl methyl cellulose, poly-
Acrylamide, air entraining agent, waterproofing agent and water reducer, which are added to the water, to stir, then with cement, levigate agstone, calcium hydroxide,
Sodium bentonite, river sand mixing, and uniform stirring at least 150s, you can.
In the present embodiment, the raw material components of the slurries are bought by market, will not be repeated here.
It is specific embodiment below：
Embodiment one
The high waterproof simultaneous grouting slurry for seabed shield tunnel that the present embodiment provides, the slurries raw material is by weight
Percentage includes following component：Binder materials 8.0%, levigate agstone (150 mesh) 16.0%, sodium bentonite (200 mesh)
3.5%th, river sand 58.0%, higher aliphatic acids waterproofing agent 0.240%, polycarboxylate water-reducer 0.080%, hydroxypropyl methyl fiber
Plain (100 mesh) 0.040%, polyacrylamide (100 mesh) 0.0080%, triterpenoid saponin air entraining agent 0.0024% and water
14.1296%；
The binder materials includes Portland cement and calcium hydroxide (200 mesh), the Portland cement and disappears
The mass ratio of lime is 4.6：3.4.
In the present embodiment：
The modulus of fineness of the river sand is 2.1；
The mass percent of montmorillonite is 90% in the sodium bentonite, the sodium bentonite expansion rate 25ml/g；
Water-reducing rate >=25% of the water reducer；The proportion 1.26 of the hydroxypropyl methyl cellulose；
Content >=90% of (CaO+MgO), sulfur trioxide content≤2% in the calcium hydroxide.
In the present embodiment, the preparation method of grouting serous fluid comprises the following steps：First by hydroxypropyl methyl cellulose, polypropylene
Acid amides, triterpenoid saponin air entraining agent, higher aliphatic acids waterproofing agent and polycarboxylate water-reducer, which are added to the water, to stir, then with water
The well mixed stirring 150s of mud, agstone, calcium hydroxide, sodium bentonite, river sand.
Embodiment two
The high waterproof simultaneous grouting slurry for seabed shield tunnel that the present embodiment provides, the slurries raw material is by weight
Percentage includes following component：Binder materials 8.6%, levigate agstone (180 mesh) 17.0%, sodium bentonite (150 mesh)
2.9%th, river sand 57.0%, higher aliphatic acids waterproofing agent 0.258%, polycarboxylate water-reducer 0.086%, hydroxypropyl methyl fiber
Plain (100 mesh) 0.043%, polyacrylamide (100 mesh) 0.0086%, triterpenoid saponin air entraining agent 0.00258% and water
14.10182%；
The binder materials includes Portland cement and calcium hydroxide (300 mesh), the Portland cement and disappears
The mass ratio of lime is 5.0：3.6.
In the present embodiment：
The modulus of fineness of the river sand is 1.7；
The mass percent of montmorillonite is 90% in the sodium bentonite, the sodium bentonite expansion rate 20ml/g；
Water-reducing rate >=25% of the water reducer；The proportion 1.28 of the hydroxypropyl methyl cellulose；
Content >=90% of (CaO+MgO), sulfur trioxide content≤2% in the calcium hydroxide.
In the present embodiment, the preparation method of grouting serous fluid comprises the following steps：First by hydroxypropyl methyl cellulose, polypropylene
Acid amides, triterpenoid saponin air entraining agent, higher aliphatic acids waterproofing agent and polycarboxylate water-reducer, which are added to the water, to stir, then with water
The well mixed stirring 150s of mud, agstone, calcium hydroxide, sodium bentonite, river sand.
Embodiment three
The high waterproof simultaneous grouting slurry for seabed shield tunnel that the present embodiment provides, the slurries raw material is by weight
Percentage includes following component：Binder materials 7.9%, levigate agstone (180 mesh) 16.5%, sodium bentonite (150 mesh)
3.4%th, river sand 58.0%, higher aliphatic acids waterproofing agent 0.237%, polycarboxylate water-reducer 0.079%, hydroxypropyl methyl fiber
Plain (100 mesh) 0.0395%, polyacrylamide (100 mesh) 0.0079%, triterpenoid saponin air entraining agent 0.00237% and water
13.83423%；
The binder materials includes Portland cement and calcium hydroxide (200 mesh), the Portland cement and disappears
The mass ratio of lime is 4.2：3.7.
In the present embodiment：
The modulus of fineness of the river sand is 2.2；
The mass percent of montmorillonite is 80% in the sodium bentonite, the sodium bentonite expansion rate 30ml/g；
Water-reducing rate >=25% of the water reducer；The proportion 1.30 of the hydroxypropyl methyl cellulose；
Content >=90% of (CaO+MgO), sulfur trioxide content≤2% in the calcium hydroxide.
In the present embodiment, the preparation method of grouting serous fluid comprises the following steps：First by hydroxypropyl methyl cellulose, polypropylene
Acid amides, triterpenoid saponin air entraining agent, higher aliphatic acids waterproofing agent and polycarboxylate water-reducer, which are added to the water, to stir, then with water
The well mixed stirring 150s of mud, agstone, calcium hydroxide, sodium bentonite, river sand.
Example IV
The high waterproof simultaneous grouting slurry for seabed shield tunnel that the present embodiment provides, the slurries raw material is by weight
Percentage includes following component：Binder materials 8.3%, levigate agstone (150 mesh) 17.0%, sodium bentonite (200 mesh)
3.9%th, river sand 57.5%, higher aliphatic acids waterproofing agent 0.249%, polycarboxylate water-reducer 0.083%, hydroxypropyl methyl fiber
Plain (100 mesh) 0.0415%, polyacrylamide (100 mesh) 0.0083%, triterpenoid saponin air entraining agent 0.00249% and water
12.91571%；
The binder materials includes Portland cement and calcium hydroxide (200 mesh), the Portland cement and disappears
The mass ratio of lime is 4.9：3.4.
In the present embodiment：
The modulus of fineness of the river sand is 2.1；
The mass percent of montmorillonite is 80% in the sodium bentonite, the sodium bentonite expansion rate 25ml/g；
Water-reducing rate >=25% of the water reducer；The proportion 1.28 of the hydroxypropyl methyl cellulose；
Content >=90% of (CaO+MgO), sulfur trioxide content≤2% in the calcium hydroxide.
In the present embodiment, the preparation method of grouting serous fluid comprises the following steps：First by hydroxypropyl methyl cellulose, polypropylene
Acid amides, triterpenoid saponin air entraining agent, higher aliphatic acids waterproofing agent and polycarboxylate water-reducer, which are added to the water, to stir, then with water
The well mixed stirring 150s of mud, agstone, calcium hydroxide, sodium bentonite, river sand.
Embodiment five
The high waterproof simultaneous grouting slurry for seabed shield tunnel that the present embodiment provides, the slurries raw material is by weight
Percentage includes following component：Binder materials 9.2%, levigate agstone (150 mesh) 15.8%, sodium bentonite (200 mesh)
3.6%th, river sand 57.0%, higher aliphatic acids waterproofing agent 0.276%, polycarboxylate water-reducer 0.092%, hydroxypropyl methyl fiber
Plain (100 mesh) 0.046%, polyacrylamide (100 mesh) 0.0092%, triterpenoid saponin air entraining agent 0.00276% and water
13.97404%；
The binder materials includes Portland cement and calcium hydroxide (300 mesh), the Portland cement and disappears
The mass ratio of lime is 5.4：3.8.
In the present embodiment：
The modulus of fineness of the river sand is 2.6；
The mass percent of montmorillonite is 85% in the sodium bentonite, the sodium bentonite expansion rate 30ml/g；
Water-reducing rate >=25% of the water reducer；The proportion 1.26 of the hydroxypropyl methyl cellulose；
Content >=90% of (CaO+MgO), sulfur trioxide content≤2% in the calcium hydroxide.
In the present embodiment, the preparation method of grouting serous fluid comprises the following steps：First by hydroxypropyl methyl cellulose, polypropylene
Acid amides, triterpenoid saponin air entraining agent, higher aliphatic acids waterproofing agent and polycarboxylate water-reducer, which are added to the water, to stir, then with water
The well mixed stirring 150s of mud, agstone, calcium hydroxide, sodium bentonite, river sand.
Embodiment six
The high waterproof simultaneous grouting slurry for seabed shield tunnel that the present embodiment provides, the slurries raw material is by weight
Percentage includes following component：Binder materials 8.4%, levigate agstone (150 mesh) 17.2%, sodium bentonite (200 mesh)
3.0%th, river sand 56.5%, higher aliphatic acids waterproofing agent 0.252%, polycarboxylate water-reducer 0.084%, hydroxypropyl methyl fiber
Plain (100 mesh) 0.042%, polyacrylamide (100 mesh) 0.0084%, triterpenoid saponin air entraining agent 0.00252% and water
14.51108%；
The binder materials includes Portland cement and calcium hydroxide (200 mesh), the Portland cement and disappears
The mass ratio of lime is 4.4：4.0.
In the present embodiment：
The modulus of fineness of the river sand is 1.9；
The mass percent of montmorillonite is 90% in the sodium bentonite, the sodium bentonite expansion rate 30ml/g；
Water-reducing rate >=25% of the water reducer；The proportion 1.30 of the hydroxypropyl methyl cellulose；
Content >=90% of (CaO+MgO), sulfur trioxide content≤2% in the calcium hydroxide.
In the present embodiment, the preparation method of grouting serous fluid comprises the following steps：First by hydroxypropyl methyl cellulose, polypropylene
Acid amides, triterpenoid saponin air entraining agent, higher aliphatic acids waterproofing agent and polycarboxylate water-reducer, which are added to the water, to stir, then with water
The well mixed stirring 150s of mud, agstone, calcium hydroxide, sodium bentonite, river sand.
Embodiment seven
The high waterproof simultaneous grouting slurry for seabed shield tunnel that the present embodiment provides, the slurries raw material is by weight
Percentage includes following component：Binder materials 8.5%, levigate agstone (150 mesh) 16.0%, sodium bentonite (200 mesh)
3.5%th, river sand 57.5%, higher aliphatic acids waterproofing agent 0.255%, polycarboxylate water-reducer 0.085%, hydroxypropyl methyl fiber
Plain (100 mesh) 0.0425%, polyacrylamide (100 mesh) 0.0085%, triterpenoid saponin air entraining agent 0.00255% and water
14.10645%；
The binder materials includes Portland cement and calcium hydroxide (200 mesh), the Portland cement and disappears
The mass ratio of lime is 5.0：3.5.
In the present embodiment：
The modulus of fineness of the river sand is 1.6；
The mass percent of montmorillonite is 90% in the sodium bentonite, the sodium bentonite expansion rate 30ml/g；
Water-reducing rate >=25% of the water reducer；The proportion 1.30 of the hydroxypropyl methyl cellulose；
Content >=90% of (CaO+MgO), sulfur trioxide content≤2% in the calcium hydroxide.
In the present embodiment, the preparation method of grouting serous fluid comprises the following steps：First by hydroxypropyl methyl cellulose, polypropylene
Acid amides, triterpenoid saponin air entraining agent, higher aliphatic acids waterproofing agent and polycarboxylate water-reducer, which are added to the water, to stir, then with water
The well mixed stirring 150s of mud, agstone, calcium hydroxide, sodium bentonite, river sand.
Embodiment eight
The high waterproof simultaneous grouting slurry for seabed shield tunnel that the present embodiment provides, the slurries raw material is by weight
Percentage includes following component：Binder materials 9.5%, levigate agstone (150 mesh) 17.5%, sodium bentonite (200 mesh)
4.2%th, river sand 55.0%, higher aliphatic acids waterproofing agent 0.285%, polycarboxylate water-reducer 0.095%, hydroxypropyl methyl fiber
Plain (120 mesh) 0.0475%, polyacrylamide (120 mesh) 0.0095%, triterpenoid saponin air entraining agent 0.00285% and water
13.36015%；
The binder materials includes Portland cement and calcium hydroxide (200 mesh), the Portland cement and disappears
The mass ratio of lime is 5.5：4.0.
In the present embodiment：
The modulus of fineness of the river sand is 3.0；
The mass percent of montmorillonite is 80% in the sodium bentonite, the sodium bentonite expansion rate 20ml/g；
Water-reducing rate >=25% of the water reducer；The proportion 1.30 of the hydroxypropyl methyl cellulose；
Content >=90% of (CaO+MgO), sulfur trioxide content≤2% in the calcium hydroxide.
In the present embodiment, the preparation method of grouting serous fluid comprises the following steps：First by hydroxypropyl methyl cellulose, polypropylene
Acid amides, triterpenoid saponin air entraining agent, higher aliphatic acids waterproofing agent and polycarboxylate water-reducer, which are added to the water, to stir, then with water
The well mixed stirring 150s of mud, agstone, calcium hydroxide, sodium bentonite, river sand.
Embodiment nine
The high waterproof simultaneous grouting slurry for seabed shield tunnel that the present embodiment provides, the slurries raw material is by weight
Percentage includes following component：Binder materials 7.0%, levigate agstone (150 mesh) 14.5%, sodium bentonite (200 mesh)
2.6%th, river sand 60.0%, higher aliphatic acids waterproofing agent 0.210%, polycarboxylate water-reducer 0.070%, hydroxypropyl methyl fiber
Plain (120 mesh) 0.0350%, polyacrylamide (120 mesh) 0.0070%, triterpenoid saponin air entraining agent 0.00210% and water
15.57590%；
The binder materials includes Portland cement and calcium hydroxide (200 mesh), the Portland cement and disappears
The mass ratio of lime is 4.0：3.0.
In the present embodiment：
The modulus of fineness of the river sand is 1.9；
The mass percent of montmorillonite is 90% in the sodium bentonite, the sodium bentonite expansion rate 30ml/g；
Water-reducing rate >=25% of the water reducer；The proportion 1.30 of the hydroxypropyl methyl cellulose；
Content >=90% of (CaO+MgO), sulfur trioxide content≤2% in the calcium hydroxide.
In the present embodiment, the preparation method of grouting serous fluid comprises the following steps：First by hydroxypropyl methyl cellulose, polypropylene
Acid amides, triterpenoid saponin air entraining agent, higher aliphatic acids waterproofing agent and polycarboxylate water-reducer, which are added to the water, to stir, then with water
The well mixed stirring 150s of mud, agstone, calcium hydroxide, sodium bentonite, river sand.
Performance test is carried out to the obtained high waterproof simultaneous grouting slurry for seabed shield tunnel in above-described embodiment,
As a result such as following table：
Note：Water resistant dispersive property is evaluated with mortar turnover rate in water.
As seen from the above table, the grouting serous fluid property noted prepared in the present invention is good, stability is good, calculus rate is high, syneresis rate
It is low, there is preferably anti-dilution property, impervious power and intensity.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to the skill of the present invention
Art scheme is modified or equivalent substitution, and without departing from the objective and scope of technical solution of the present invention, it all should cover at this
Among the right of invention.
Claims (10)
- A kind of 1. high waterproof simultaneous grouting slurry for seabed shield tunnel, it is characterised in that：The slurries raw material is by weight Percentage includes following component：Binder materials 7.0-9.5%, levigate agstone 14.5-17.5%, sodium bentonite 2.6- 4.2%th, river sand 55-60%, waterproofing agent are the 3.0% of gel material content, water reducer is the 1.0% of gel material content, hydroxyl Propyl methocel is the 0.5% of gel material content, polyacrylamide is the 0.1% of gel material content, air entraining agent is The 0.03% of gel material content, surplus are water；The binder materials includes cement and calcium hydroxide, and the mass ratio of the cement and calcium hydroxide is 4.0-5.5：3.0-4.0.
- 2. the high waterproof simultaneous grouting slurry according to claim 1 for seabed shield tunnel, it is characterised in that：It is described Slurries raw materials by weight includes following component:Binder materials 8.5%, levigate agstone 16.0%, sodium bentonite 3.5%th, river sand 57.5%, waterproofing agent 0.255%, water reducer 0.085%, hydroxypropyl methyl cellulose 0.0425%, polypropylene Acid amides 0.0085%, air entraining agent 0.00255% and water 14.10645%；The binder materials includes cement and calcium hydroxide, and the mass ratio of the cement and calcium hydroxide is 5.0：3.5.
- 3. the high waterproof simultaneous grouting slurry according to claim 1 or 2 for seabed shield tunnel, it is characterised in that： The modulus of fineness of the river sand is 1.6-3.0.
- 4. the high waterproof simultaneous grouting slurry according to claim 1 or 2 for seabed shield tunnel, it is characterised in that： The mass percent of montmorillonite is 80-90% in the sodium bentonite；The Na-bentonite soil granularity is 150-200 mesh, swollen Swollen rate 20-30ml/g.
- 5. the high waterproof simultaneous grouting slurry according to claim 1 or 2 for seabed shield tunnel, it is characterised in that： The waterproofing agent is higher aliphatic acids waterproofing agent；The water reducer is polycarboxylate water-reducer, water-reducing rate >=25%；The bleed Agent is triterpenoid saponin air entraining agent.
- 6. the high waterproof simultaneous grouting slurry according to claim 1 or 2 for seabed shield tunnel, it is characterised in that： The granularity of the levigate agstone is 150-180 mesh.
- 7. the high waterproof simultaneous grouting slurry according to claim 1 or 2 for seabed shield tunnel, it is characterised in that： The cement is Portland cement.
- 8. the high waterproof simultaneous grouting slurry according to claim 1 or 2 for seabed shield tunnel, it is characterised in that： The granularity of the calcium hydroxide is 200-300 mesh, content >=90% of (CaO+MgO) in the calcium hydroxide, sulfur trioxide content≤ 2%.
- 9. the high waterproof simultaneous grouting slurry according to claim 1 or 2 for seabed shield tunnel, it is characterised in that： The granularity of the hydroxypropyl methyl cellulose is 100-120 mesh, proportion 1.26-1.30；The granularity of the polyacrylamide is 100-120 mesh.
- 10. the high waterproof simultaneous grouting slurry according to claim 1 or 2 for seabed shield tunnel, it is characterised in that： The preparation method of the grouting serous fluid comprises the following steps：First by hydroxypropyl methyl cellulose, polyacrylamide, air entraining agent, anti- Aqua and water reducer, which are added to the water, to stir, then is mixed with cement, levigate agstone, calcium hydroxide, sodium bentonite, river sand Close, and uniform stirring at least 150s, you can.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108868781A (en) * | 2018-05-28 | 2018-11-23 | 中铁五局集团有限公司 | A kind of shield construction method for shale sandy silt soil stratum |
| CN109503089A (en) * | 2019-01-07 | 2019-03-22 | 中铁十四局集团大盾构工程有限公司 | A kind of anti-water dispersion pulp liquid and preparation method thereof for shield synchronization slip casting |
| CN110437812A (en) * | 2019-08-28 | 2019-11-12 | 中铁隧道局集团有限公司 | A kind of shield warehouse entry slurries with pressure and preparation method thereof |
| CN111022064A (en) * | 2020-01-01 | 2020-04-17 | 中铁四局集团有限公司 | Mud sinking prevention and grouting slurry for shield construction |
| CN112142403A (en) * | 2020-09-16 | 2020-12-29 | 贵州正和天筑科技有限公司 | Soil-stabilizing grouting material and preparation method thereof |
| CN112194420A (en) * | 2020-08-27 | 2021-01-08 | 中铁十局集团有限公司 | Water-dilution-resistant synchronous grouting liquid for water-rich geological shield construction and preparation method thereof |
| CN112759320A (en) * | 2020-12-21 | 2021-05-07 | 中国石油大学(华东) | High-fluidity low-density grouting material for offshore wind power suction pile foundation |
| CN116003044A (en) * | 2022-05-11 | 2023-04-25 | 北京漏邦房屋修缮工程有限公司 | High-strength impervious grouting material and preparation method and use method thereof |
| CN116217176A (en) * | 2023-03-15 | 2023-06-06 | 中铁隧道局集团有限公司 | Synchronous grouting material capable of preventing pipe piece from floating upwards and application thereof |
| CN116217137A (en) * | 2022-12-21 | 2023-06-06 | 中铁隧道局集团有限公司 | Low-carbon resource utilization type shield inert synchronous grouting material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108868781A (en) * | 2018-05-28 | 2018-11-23 | 中铁五局集团有限公司 | A kind of shield construction method for shale sandy silt soil stratum |
| CN109503089A (en) * | 2019-01-07 | 2019-03-22 | 中铁十四局集团大盾构工程有限公司 | A kind of anti-water dispersion pulp liquid and preparation method thereof for shield synchronization slip casting |
| CN110437812A (en) * | 2019-08-28 | 2019-11-12 | 中铁隧道局集团有限公司 | A kind of shield warehouse entry slurries with pressure and preparation method thereof |
| CN111022064A (en) * | 2020-01-01 | 2020-04-17 | 中铁四局集团有限公司 | Mud sinking prevention and grouting slurry for shield construction |
| CN112194420A (en) * | 2020-08-27 | 2021-01-08 | 中铁十局集团有限公司 | Water-dilution-resistant synchronous grouting liquid for water-rich geological shield construction and preparation method thereof |
| CN112142403A (en) * | 2020-09-16 | 2020-12-29 | 贵州正和天筑科技有限公司 | Soil-stabilizing grouting material and preparation method thereof |
| CN112759320A (en) * | 2020-12-21 | 2021-05-07 | 中国石油大学(华东) | High-fluidity low-density grouting material for offshore wind power suction pile foundation |
| CN116003044A (en) * | 2022-05-11 | 2023-04-25 | 北京漏邦房屋修缮工程有限公司 | High-strength impervious grouting material and preparation method and use method thereof |
| CN116217137A (en) * | 2022-12-21 | 2023-06-06 | 中铁隧道局集团有限公司 | Low-carbon resource utilization type shield inert synchronous grouting material and preparation method thereof |
| CN116217176A (en) * | 2023-03-15 | 2023-06-06 | 中铁隧道局集团有限公司 | Synchronous grouting material capable of preventing pipe piece from floating upwards and application thereof |
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