CN107601988B - Micro-expansion anti-crack super early-strength two-component geopolymer grouting material - Google Patents
Micro-expansion anti-crack super early-strength two-component geopolymer grouting material Download PDFInfo
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- CN107601988B CN107601988B CN201710942338.2A CN201710942338A CN107601988B CN 107601988 B CN107601988 B CN 107601988B CN 201710942338 A CN201710942338 A CN 201710942338A CN 107601988 B CN107601988 B CN 107601988B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
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Abstract
The invention discloses a micro-expansion anti-crack super-early-strength bi-component geopolymer grouting material, which comprises mineral mixture slurry and an active excitant solution, wherein the mineral mixture slurry and the active excitant solution are prepared from the following components in parts by weight: 70-80 parts of mineral mixture slurry; 20-30 parts by weight of an activity excitant solution; the mineral mixed slurry contains the components of slag micro powder, fly ash, micro silicon powder, metakaolin, steel slag micro powder, quartz sand, short fiber, additive and water; the active excitant solution contains the components of water glass, sodium hydroxide, sodium metasilicate and sodium sulfite. The micro-expansion anti-cracking super early-strength two-component geopolymer grouting material provided by the invention has higher early strength, better later mechanical property and toughness, micro-expansion, no shrinkage cracking, good corrosion resistance and extremely strong durability in various severe weather environments. Is an ideal grouting material.
Description
Technical Field
The invention relates to a geopolymer grouting material, in particular to a micro-expansion anti-cracking super early-strength double-component geopolymer grouting material.
Background
The concept of geopolymers was proposed in 1978 by the French nation Davidovits, a species of AlO4And SiO4The tetrahedral structural unit forms an inorganic polymer with a three-dimensional network structure, and the chemical formula is Mn { - (SiO)2)zAlO2}n·wH2O, amorphous to semi-crystalline, belonging to non-metallic materials. Geopolymer materials have a series of significant performance characteristics: (1) the material has high strength and quick hardening; (2) good acid and alkali corrosion resistance; (3) the impermeability is good; (4) the durability is excellent; (5) is green and environment-friendly.
The grouting material is the main substance which plays a role in filling and consolidating in the cracks and pores of the stratum and is the key for realizing the water plugging or strengthening effect. The geopolymer grouting material has the characteristics of high strength, high fluidity, good permeability, good construction performance, good durability and the like, and also has good cohesiveness and high bonding strength with the original base material.
At present, due to the selection of the alkaline excitant and the characteristics of mineral materials, the bi-component geopolymer material still has the performance defects of poor toughness, shrinkage cracking, low early strength and the like.
Disclosure of Invention
The invention aims to provide a micro-expansion anti-crack super early-strength two-component geopolymer grouting material, which can improve the expansibility of products, improve the early strength of the products and solve the problem of shrinkage cracking.
The invention provides a micro-expansion anti-cracking super early strength two-component polymer grouting material for solving the technical problems, which comprises mineral mixture slurry and an active excitant solution, wherein the mineral mixture slurry and the active excitant solution are prepared from the following components in parts by weight:
70-80 parts of mineral mixture slurry;
20-30 parts of an active excitant solution.
Further, the mineral mix slurry comprises the following components:
further, the mineral mixture slurry also comprises one or a mixture of more of a rheological agent, a surfactant, an early strength agent, a thickening agent and an adhesive.
Furthermore, the particle size of the micro silicon powder is 800-12500 meshes, and the specific surface area of the steel slag micro powder is 450-500 square meters per kg.
Further, the short fibers are polypropylene fibers or basalt fibers; the water reducing agent is a polycarboxylic acid water reducing agent or a naphthalene water reducing agent; the defoaming agent is emulsified silicone oil, a high-alcohol fatty acid ester compound, polyoxyethylene polyoxypropylene pentaerythritol ether, polyoxyethylene polyoxypropylene amine ether, polyoxypropylene glycerol ether, polyoxypropylene polyoxyethylene glycerol ether or polydimethylsiloxane; the expanding agent is calcium sulphoaluminate or calcium oxide.
Further, the redispersible latex powder is an ethylene/vinyl acetate copolymer, a vinyl acetate/versatic acid ethylene copolymer or an acrylic acid copolymer.
Further, the activity stimulant solution comprises the following components:
further, the water glass is potassium water glass or sodium water glass, the modulus of the water glass is 1.2-1.5, and the Baume degree is 45-55%.
Further, after the mineral mixture slurry and the active excitant solution are uniformly mixed, the flow cone fluidity of the cementing material is controlled to be 12-18 s, the initial setting time is 10-30 min, the final setting time is 30-45 min, the 3h compressive strength is 10-25 MPa, the 1d compressive strength is 25-45 MPa, and the 28d compressive strength is 50-100 MPa.
Compared with the prior art, the invention has the following beneficial effects: the micro-expansion crack-resistant super-early-strength two-component geopolymer grouting material provided by the invention has very high early strength, good later mechanical property and durability, good toughness and no shrinkage cracking due to micro-expansion.
Detailed Description
The present invention will be further described with reference to the following examples.
The invention provides a micro-expansion crack-resistant super-early-strength two-component geopolymer grouting material which comprises the following components in parts by weight:
70-80 parts of mineral mixture slurry;
20-30 parts of an active excitant solution.
The mineral mix slurry comprises the following components:
the weight ratio of the components of the active excitant solution is as follows:
the components of the formula can also be added with one or more of a rheological agent, a surfactant, other thickening agents and an adhesive.
Specific examples and property comparisons are given below to provide a better understanding of the present invention, but the following examples do not limit the scope of the present invention.
Example 1
The bi-component geopolymer grouting material comprises the following components in percentage by weight:
70 parts by weight of mineral mixture slurry;
30 parts of active excitant solution.
The mineral mix slurry comprises the following components:
the weight ratio of the components of the active excitant solution is as follows:
example 2
The bi-component geopolymer grouting material comprises the following components in percentage by weight:
75 parts by weight of mineral mixture slurry;
25 parts of active excitant solution.
The mineral mix slurry comprises the following components:
the weight ratio of the components of the active excitant solution is as follows:
example 3
The bi-component geopolymer grouting material comprises the following components in percentage by weight:
80 parts by weight of mineral mixture slurry;
20 parts of active excitant solution.
The mineral mix slurry comprises the following components:
the weight ratio of the components of the active excitant solution is as follows:
compared with the existing common ground polymer material and cement-water glass grouting material, the micro-expansion anti-cracking super-early-strength two-component ground polymer grouting material prepared by the embodiment of the invention has higher early strength, better later mechanical property and toughness, micro-expansion, no shrinkage cracking, good corrosion resistance and extremely strong durability in various severe weather environments. Referring to technical regulations on grouting and reinforcing of roadbed and basement strata (SZ-G-B04-2007) and appendix B test methods, the physical and chemical properties of the micro-expansion anti-crack super early-strength two-component geopolymer grouting material are compared with those of a common geopolymer material and a cement-water glass grouting material as follows:
although the present invention has been described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. The micro-expansion anti-crack super early-strength bi-component geopolymer grouting material is characterized by comprising mineral mixture slurry and an active excitant solution, wherein the mineral mixture slurry and the active excitant solution are prepared from the following components in parts by weight:
70-80 parts of mineral mixture slurry;
20-30 parts by weight of an activity excitant solution;
the mineral mix slurry comprises the following components:
30-70 parts of slag micro powder;
5-50 parts of fly ash;
2-15 parts of micro silicon powder;
1-40 parts by weight of metakaolin;
0-30 parts of steel slag micro powder;
0-40 parts of quartz sand;
0.02-0.5 part by weight of short fibers;
0.2-1.5 parts by weight of a water reducing agent;
0.01-0.1 part by weight of a defoaming agent;
0.01-0.5 part by weight of cellulose ether;
0.01-0.2 parts of starch ether;
2-10 parts of redispersible latex powder;
0.01-10 parts by weight of an expanding agent;
20-30 parts by weight of water;
the activity excitant solution comprises the following components:
70-90 parts of water glass;
0.1-10 parts by weight of sodium hydroxide;
0.1-20 parts by weight of sodium metasilicate;
0.1-3 parts of sodium sulfite.
2. The micro-expansion crack-resistant super early-strength bi-component polymer grouting material as claimed in claim 1, wherein the particle size of the micro silicon powder is 800-12500 meshes, and the specific surface area of the steel slag micro powder is 450-500 square meters per kg.
3. The micro-expanded crack-resistant super early strength bi-component polymer grouting material as claimed in claim 1, wherein the short fibers are polypropylene fibers or basalt fibers; the water reducing agent is a polycarboxylic acid water reducing agent or a naphthalene water reducing agent; the defoaming agent is emulsified silicone oil, a high-alcohol fatty acid ester compound, polyoxyethylene polyoxypropylene pentaerythritol ether, polyoxyethylene polyoxypropylene amine ether, polyoxypropylene glycerol ether, polyoxypropylene polyoxyethylene glycerol ether or polydimethylsiloxane; the expanding agent is calcium sulphoaluminate or calcium oxide.
4. The micro-expansive crack-resistant ultra-early strength two-component polymer grouting material of claim 1, wherein the redispersible latex powder is an ethylene/vinyl acetate copolymer, a vinyl acetate/vinyl versatate copolymer, or an acrylic acid copolymer.
5. The micro-expansion crack-resistant super early-strength bi-component geopolymer grouting material as claimed in claim 1, wherein the water glass is potassium water glass or sodium water glass, the modulus of the water glass is 1.2-1.5, and the baume degree is 45-55%.
6. The micro-expansion anti-crack ultra-early-strength bi-component geopolymer grouting material as claimed in claim 1, wherein after the mineral mixture slurry and the active excitant solution are uniformly mixed, the flow cone fluidity of the cementing material is controlled to be 12-18 s, the initial setting time is 10-30 min, the final setting time is 30-45 min, the 3h compressive strength is 10-25 MPa, the 1d compressive strength is 25-45 MPa, and the 28d compressive strength is 50-100 MPa.
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| CN110092618A (en) * | 2019-06-10 | 2019-08-06 | 英达热再生有限公司 | A kind of intumescent geo-polymer injecting paste material and preparation method thereof |
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| CN111646740A (en) * | 2020-06-24 | 2020-09-11 | 扬州大学 | Basalt fiber reinforced geopolymer composite grouting material and preparation method thereof |
| CN111807769A (en) * | 2020-07-10 | 2020-10-23 | 山东华迪建筑科技有限公司 | Slag-based highway grouting material and preparation method thereof |
| CN114479797A (en) * | 2020-11-12 | 2022-05-13 | 中国石油化工股份有限公司 | Selective gel water plugging system for fracture-cavity oil reservoir and preparation method |
| CN112592143B (en) * | 2020-12-16 | 2022-05-10 | 哈尔滨工业大学 | Clay-slag-based harbor seismic strengthening mineral grouting material and preparation method thereof |
| CN112608088B (en) * | 2020-12-31 | 2022-04-05 | 同济大学 | Geopolymer grouting material based on incineration fly ash and preparation method thereof |
| CN112960962A (en) * | 2021-03-19 | 2021-06-15 | 河北充填采矿技术有限公司 | Non-cement-based water-grouting inorganic cementing material and preparation method and application thereof |
| CN113754358A (en) * | 2021-10-22 | 2021-12-07 | 焦作智源新材料科技有限公司 | Coal-loving fast-hardening double-liquid grouting material |
| CN113998945A (en) * | 2021-10-26 | 2022-02-01 | 中交第三航务工程局有限公司南京分公司 | Micro-expansion and strong anti-permeability cement-based grouting material and preparation method thereof |
| CN114180930B (en) * | 2021-12-31 | 2022-11-11 | 中国海洋大学 | High-water-pressure ultra-large-diameter underwater shield tunnel double-liquid grouting slurry, process and application |
| CN115745486A (en) * | 2022-11-15 | 2023-03-07 | 东北大学 | Bi-component dry powder geopolymer grouting material based on full solid waste and preparation method thereof |
| CN116514460B (en) * | 2023-03-28 | 2024-05-24 | 加固邦(上海)新材料科技有限公司 | Early-strength grouting material for structural reinforcement |
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| CN104177055A (en) * | 2014-08-21 | 2014-12-03 | 广西启利新材料科技股份有限公司 | Grouting material |
| US9604880B2 (en) * | 2014-08-27 | 2017-03-28 | Louisiana Tech Research Corporation | Geopolymer with nanoparticle retardant and method |
| CN105541140B (en) * | 2015-12-23 | 2017-10-24 | 山东大学 | A kind of geopolymer injecting paste material and preparation method and application |
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Denomination of invention: A kind of micro expansion anti crack super early strength two-component geopolymer grouting material Effective date of registration: 20220721 Granted publication date: 20200421 Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Jinshan sub branch Pledgor: SHANGHAI LIYANG ROAD REINFORCEMENT TECHNOLOGY Co.,Ltd. Registration number: Y2022310000139 |
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