CN107021703A - Composite highly effective micropowders grouting material - Google Patents

Composite highly effective micropowders grouting material Download PDF

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Publication number
CN107021703A
CN107021703A CN201710316024.1A CN201710316024A CN107021703A CN 107021703 A CN107021703 A CN 107021703A CN 201710316024 A CN201710316024 A CN 201710316024A CN 107021703 A CN107021703 A CN 107021703A
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CN
China
Prior art keywords
parts
composite
micropowders
superfine
highly effective
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CN201710316024.1A
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Chinese (zh)
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CN107021703B (en
Inventor
冯月娥
曾馨花
张会平
程永娃
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GANSU ZHITONG SCIENCE & TECHNOLOGY ENGINEERING DETECTION CONSULTATION Co Ltd
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GANSU ZHITONG SCIENCE & TECHNOLOGY ENGINEERING DETECTION CONSULTATION Co Ltd
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Priority to CN201710316024.1A priority Critical patent/CN107021703B/en
Publication of CN107021703A publication Critical patent/CN107021703A/en
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions 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
    • C04B28/04Portland cements
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/70Grouts, e.g. injection mixtures for cables for prestressed concrete

Abstract

The present invention relates to a kind of composite highly effective micropowders grouting material, the material is obtained through stirring by the raw material of following weight parts:2500 ~ 2700 parts of superfine cement, 241 ~ 443 parts of superfine composite miberal powder, 18 ~ 24 parts of polycarboxylate water-reducer, inorganic silicon time 13 ~ 20 parts of nano-beads powder, 14 ~ 24 parts of superfine composite swelling agent, 0.5 ~ 3.5 part of methyl silicate, 0 ~ 1 part of efficient adjustable solidification agent.Inventive formulation is reasonable, production cost is low, favorable working performance, it is easy to process, environmental protection and energy saving are pollution-free, applied widely.

Description

Composite highly effective micropowders grouting material
Technical field
The present invention relates to crack crack processing technology field, more particularly to composite highly effective micropowders grouting material.
Background technology
Cement as grouting material there is intensity height, good endurance, nontoxic, tasteless, material source extensively to facilitate, price it is low Ordinary cement being used honest and clean the advantages of, typically grouting, slip casting more.But ordinary cement particle diameter is larger, coarse granule is more, and the ratio of mud is larger When slurries stability it is poor, easy bleed return it is dense, it is impossible to slight crack is effectively poured into, especially for the grouting of slight crack;Separately Outside, strength development is slow, impervious corrosion resistance difference causes poor durability, influence structural stability and service life, ordinary cement with Meet engine request.Therefore, new and effective high-performance superfine cement grouting material is developed imperative.
Since the beginning of the eighties, Japan succeeded in developing MC-500 type superfine cements, because its pulp stability is good, flowing Property be significantly improved than ordinary cement, and consolidation when hardly separate out water, with good antiseepage consolidation effect, reach and The similar concrete castability of chemical grout, its solid intensity is much higher than chemical grouting material, pollution-free, not aging, cheap, thus one Appearance is just widely used in many countries.
In recent years, some domestic enterprises produced a quality of lot very under colleges and universities and graduate technical support, successively High superfine cement grouting material, and the anti-Seepage construction of water power, subway, tunnel, mine etc. is successfully applied to, achieve good Good social and economic benefit.But such current material is mainly silicate series superfine cement or added in the superfine cement The modified material modified grinding together being made such as high efficiency water reducing agent, swelling agent is processed, the drawbacks of so directly resulting in:One is If when the product existing defects produced are not enough, being difficult to reverse quagmire in time, it could even be possible at all can not correcting defect, It can only scrap.And it is well known that novel high-performance superfine cement base grouting material is more expensive, certain economic loss certainly will be caused.Two It is due to the wearability of each material, heat resistance (temperature is typically greater than 200 DEG C in mill), volatility is not equal under hectic fever environment Technical requirements are early reached Deng, the kind fineness of materials for causing part grindability good, and the material of difficulty or ease grinding is also very thick, much reaches Less than technical requirements, if the situation that there is poor heat resistance to cause validity to change in addition etc., it can all make the product processed Capability and performance is had a greatly reduced quality greatly.
Current grinding industry unanimously think to material technology index performance requirement the higher person, comprehensive cost higher material person, Various materials grindability energy gap the greater etc. processes storage using separate compiling, then requires design premixing according to engineering technology Sample, detection performance, are so easy to adjust, hardly waste of materials, so as to reach zero-emission, no pollution, nil waste, meet state The environmental protection friendly industrial policy that family advocates.
The content of the invention
The technical problems to be solved by the invention be to provide a kind of formula rationally, raw material are easy to get and with low cost, work The good composite highly effective micropowders grouting material of performance.
To solve the above problems, composite highly effective micropowders grouting material of the present invention, it is characterised in that:The material It is obtained through stirring by the raw material of following weight parts:2500 ~ 2700 parts of superfine cement, superfine composite miberal powder 241 ~ 443 Part, 18 ~ 24 parts of polycarboxylate water-reducer, inorganic silicon time 13 ~ 20 parts of nano-beads powder, 14 ~ 24 parts of superfine composite swelling agent, methane-siliconic acid 0.5 ~ 3.5 part of salt, 0 ~ 1 part of efficient adjustable solidification agent.
The superfine cement refer to alkali content≤0.6%, aluminic acid calcium content≤7%, tricalcium silicate content≤57% and fineness >= The Portland cement of 1200 mesh.
The superfine composite miberal powder refer to the lime stone of calcium oxide content >=48%, the granulated blast-furnace slag of activity >=75%, The slag mud of iron content≤20% presses 1:2:Miberal powder of 1 weight than the mesh of fineness >=1200 of grinding.
Water-reducing rate >=35% of the polycarboxylate water-reducer.
The inorganic silicon time nano-beads powder refers to waste broken glass bits, bits fineness is made using air-flowing type superfine mill grinding The fine powder of >=1500 mesh.
The superfine composite swelling agent refers to sodium hydrosulfite, Ninol, UEA type swelling agents by 2:1:20 weight is than grinding Into the mesh of fineness >=1200 fine powder.
The methyl silicate refers to sodium methyl silicate, potassium methyl silicate, methane-siliconic acid lithium by 1:1:1 weight is than mixing And obtain.
The efficient adjustable solidification agent refers to sodium gluconate, tricalcium phosphate, heptose sodium sugar by 1:1:3 weight ratio is obtained by mixing.
The present invention has advantages below compared with prior art:
1st, the present invention effectively introduced industrial waste, and raw material are easy to get, component design is reasonable, easy to process, environmental protection and energy saving without Pollution, and it is with low cost.
2nd, inorganic silicon secondary nanophase pearl powder is added in the present invention, because it is glass microballoon, with volume stability, intensity it is high, Thermal conductivity factor is small, anti-aging good weatherability, inspiratory good, water rate is small thoroughly, fire protecting performance is good, in addition its profile almost spherical etc. pair Water-cement ratio is reduced, therefore, can effectively increase slurry flowing permeability.
3rd, the effective complementary contraction of microdilatancy is realized added with ultra-fine expanded dose in the present invention.
4th, addition superfine composite miberal powder can be effectively increased density, improve impervious corrosion resistance, lifting later stage in the present invention Intensity.
5th, it with the addition of trace methyl composition silicate in the present invention so that workability, waterproof, seepage control performance are improved.
6th, it is of the invention compared with like product of the prior art, it is simple with preparation process, can be according to different engineering skills Art requirement, prepares suitable grouting material whenever and wherever possible.
7th, the present invention is available for measures of cracks on concrete pavement and consolidation by grouting, concrete dam and the dam foundation crack on road basis Grouting and reinforcing, large-scale or high-rise foundation stabilization;Pond, the waterproofing and leakage-stopping grouting of basement;Metro Excavation, tunnel Sub-surface filling curing process during the underground engineerings such as road, mine, to reduce excavation difficulty, speeds up the work, improves work Make efficiency;The back-grouting of large scale equipment foundation bolt and support;Reinforce and improve the mechanical property of mollisol and rock;It is public The sagging benefit slurry of the grounds such as road, bridge, airfield runway is reinforced;The drift sand formation of bad ground fix the sand and Muddy Bottoms figure layer consolidation Deng.
Embodiment
The composite highly effective micropowders grouting material of embodiment 1, the material is by following weight parts(kg)Raw material through fully stirring Mix uniform be made:2500 parts of superfine cement, 443 parts of superfine composite miberal powder, 18 parts of polycarboxylate water-reducer, inorganic silicon time nano-beads powder 13 parts, 24 parts of superfine composite swelling agent, 2 parts of methyl silicate.
The composite highly effective micropowders grouting material of embodiment 2, the material is by following weight parts(kg)Raw material through fully stirring Mix uniform be made:2680 parts of superfine cement, 259 parts of superfine composite miberal powder, 23 parts of polycarboxylate water-reducer, inorganic silicon time nano-beads powder 18 parts, 18 parts of superfine composite swelling agent, 1.2 parts of methyl silicate, 0.8 part of efficient adjustable solidification agent.
The composite highly effective micropowders grouting material of embodiment 3, the material is by following weight parts(kg)Raw material through fully stirring Mix uniform be made:2700 parts of superfine cement, 241 parts of superfine composite miberal powder, 24 parts of polycarboxylate water-reducer, inorganic silicon time nano-beads powder 20 parts, 14 parts of superfine composite swelling agent, 0.5 part of methyl silicate, 1 part of efficient adjustable solidification agent.
The composite highly effective micropowders grouting material of embodiment 4, the material is by following weight parts(kg)Raw material through fully stirring Mix uniform be made:2600 parts of superfine cement, 341 parts of superfine composite miberal powder, 23.5 parts of polycarboxylate water-reducer, inorganic silicon time nano-beads 15.5 parts of powder, 19 parts of superfine composite swelling agent, 0.8 part of methyl silicate, 0.2 part of efficient adjustable solidification agent.
The composite highly effective micropowders grouting material of embodiment 5, the material is by following weight parts(kg)Raw material through fully stirring Mix uniform be made:2500 parts of superfine cement, 296 parts of superfine composite miberal powder, 22 parts of polycarboxylate water-reducer, inorganic silicon time nano-beads powder 16 parts, 15 parts of superfine composite swelling agent, 3.5 parts of methyl silicate, 0.5 part of efficient adjustable solidification agent.
The composite highly effective micropowders grouting material of embodiment 6, the material is by following weight parts(kg)Raw material through fully stirring Mix uniform be made:2530 parts of superfine cement, 411 parts of superfine composite miberal powder, 20 parts of polycarboxylate water-reducer, inorganic silicon time nano-beads powder 15 parts, 22 parts of superfine composite swelling agent, 1.6 parts of methyl silicate, 0.4 part of efficient adjustable solidification agent.
The composite highly effective micropowders grouting material of embodiment 7, the material is by following weight parts(kg)Raw material through fully stirring Mix uniform be made:2580 parts of superfine cement, 366 parts of superfine composite miberal powder, 19 parts of polycarboxylate water-reducer, inorganic silicon time nano-beads powder 14 parts, 20 parts of superfine composite swelling agent, 0.7 part of methyl silicate, 0.3 part of efficient adjustable solidification agent.
In above-described embodiment 1 ~ 7, superfine cement refers to alkali content≤0.6%, aluminic acid calcium content≤7%, tricalcium silicate content≤57% And the Portland cement of the mesh of fineness >=1200.
Superfine composite miberal powder refers to that the lime stone of calcium oxide content >=48%, the granulated blast-furnace slag of activity >=75%, iron contain The slag mud of amount≤20% presses 1:2:1 weight ratio(kg/kg)The miberal powder of the mesh of the fineness of grinding >=1200.
Water-reducing rate >=35% of polycarboxylate water-reducer.
Inorganic silicon time nano-beads powder refer to by waste broken glass bits, bits using air-flowing type superfine mill grinding be made fineness >= The fine powder of 1500 mesh.
Superfine composite swelling agent refers to sodium hydrosulfite, Ninol, UEA type swelling agents by 2:1:20 weight ratio(kg/kg)Powder The fine powder of the mesh of fineness >=1200 of mill.
Methyl silicate refers to sodium methyl silicate, potassium methyl silicate, methane-siliconic acid lithium by 1:1:1 weight ratio(kg/kg) It is obtained by mixing.
Efficient adjustable solidification agent refers to sodium gluconate, tricalcium phosphate, heptose sodium sugar by 1:1:3 weight ratio(kg/kg)Mixing and .

Claims (8)

1. composite highly effective micropowders grouting material, it is characterised in that:The material is by the raw material of following weight parts through being sufficiently stirred for It is uniform to be made:2500 ~ 2700 parts of superfine cement, 241 ~ 443 parts of superfine composite miberal powder, 18 ~ 24 parts of polycarboxylate water-reducer, inorganic silicon Secondary 13 ~ 20 parts of nano-beads powder, 14 ~ 24 parts of superfine composite swelling agent, 0.5 ~ 3.5 part of methyl silicate, 0 ~ 1 part of efficient adjustable solidification agent.
2. composite highly effective micropowders grouting material as claimed in claim 1, it is characterised in that:The superfine cement refers to alkali The Portland cement of the mesh of content≤0.6%, aluminic acid calcium content≤7%, tricalcium silicate content≤57% and fineness >=1200.
3. composite highly effective micropowders grouting material as claimed in claim 1, it is characterised in that:The superfine composite miberal powder is The slag mud for referring to the lime stone, the granulated blast-furnace slag of activity >=75%, iron content≤20% of calcium oxide content >=48% presses 1:2:1 Miberal powder of the weight than the mesh of fineness >=1200 of grinding.
4. composite highly effective micropowders grouting material as claimed in claim 1, it is characterised in that:The polycarboxylate water-reducer Water-reducing rate >=35%.
5. composite highly effective micropowders grouting material as claimed in claim 1, it is characterised in that:The inorganic silicon time nano-beads Powder refers to the fine powder that waste broken glass bits, bits are made to the mesh of fineness >=1500 using air-flowing type superfine mill grinding.
6. composite highly effective micropowders grouting material as claimed in claim 1, it is characterised in that:The superfine composite swelling agent Refer to sodium hydrosulfite, Ninol, UEA type swelling agents by 2:1:Fine powder of 20 weight than the mesh of fineness >=1200 of grinding.
7. composite highly effective micropowders grouting material as claimed in claim 1, it is characterised in that:The methyl silicate refers to Sodium methyl silicate, potassium methyl silicate, methane-siliconic acid lithium press 1:1:1 weight ratio is obtained by mixing.
8. composite highly effective micropowders grouting material as claimed in claim 1, it is characterised in that:The efficient adjustable solidification agent refers to Sodium gluconate, tricalcium phosphate, heptose sodium sugar press 1:1:3 weight ratio is obtained by mixing.
CN201710316024.1A 2017-05-08 2017-05-08 Composite high-efficiency superfine powder grouting material Active CN107021703B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110304872A (en) * 2019-08-16 2019-10-08 陈晓星 A kind of nano modification cement base not dispersion and preparation method thereof under water
CN111072366A (en) * 2019-12-30 2020-04-28 浙江斯力柯新材料科技有限公司 Inorganic grouting material capable of stopping open water and reinforcing structure and preparation method and application thereof
CN112707683A (en) * 2019-12-24 2021-04-27 科之杰新材料集团福建有限公司 Sleeve grouting material for prefabricated part and preparation method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104529338A (en) * 2015-01-12 2015-04-22 杭州绿怡新型建材有限公司 Ultrahigh-strength cement-based grouting material

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104529338A (en) * 2015-01-12 2015-04-22 杭州绿怡新型建材有限公司 Ultrahigh-strength cement-based grouting material

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110304872A (en) * 2019-08-16 2019-10-08 陈晓星 A kind of nano modification cement base not dispersion and preparation method thereof under water
CN110304872B (en) * 2019-08-16 2021-09-21 陈晓星 Nano modified cement-based underwater non-dispersible material and preparation method thereof
CN112707683A (en) * 2019-12-24 2021-04-27 科之杰新材料集团福建有限公司 Sleeve grouting material for prefabricated part and preparation method thereof
CN112707683B (en) * 2019-12-24 2022-05-10 科之杰新材料集团福建有限公司 Sleeve grouting material for prefabricated part and preparation method thereof
CN111072366A (en) * 2019-12-30 2020-04-28 浙江斯力柯新材料科技有限公司 Inorganic grouting material capable of stopping open water and reinforcing structure and preparation method and application thereof
CN111072366B (en) * 2019-12-30 2022-03-04 苏州佳固士新材料科技有限公司 Inorganic grouting material capable of stopping open water and reinforcing structure and preparation method and application thereof

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