CN114956731A - Early-strength non-shrinkage grouting material and preparation method thereof - Google Patents
Early-strength non-shrinkage grouting material and preparation method thereof Download PDFInfo
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- CN114956731A CN114956731A CN202210604123.0A CN202210604123A CN114956731A CN 114956731 A CN114956731 A CN 114956731A CN 202210604123 A CN202210604123 A CN 202210604123A CN 114956731 A CN114956731 A CN 114956731A
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- Prior art keywords
- cement
- early
- grouting material
- agent
- strength
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- 239000000463 material Substances 0.000 title claims abstract description 45
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 239000004568 cement Substances 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 22
- 239000004576 sand Substances 0.000 claims abstract description 14
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 9
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 9
- 239000004575 stone Substances 0.000 claims abstract description 8
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 7
- 239000008394 flocculating agent Substances 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 2
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 claims description 2
- 239000011398 Portland cement Substances 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 239000011975 tartaric acid Substances 0.000 claims description 2
- 235000002906 tartaric acid Nutrition 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 9
- 239000000654 additive Substances 0.000 abstract description 3
- 230000000996 additive effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000006467 substitution 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
- 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
- C04B28/04—Portland 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
- C04B2111/70—Grouts, e.g. injection mixtures for cables for prestressed concrete
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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)
Abstract
The invention relates to the technical field of buildings, in particular to an early-strength non-shrinkage grouting material and a preparation method thereof, wherein the early-strength non-shrinkage grouting material comprises the following raw materials in parts by weight: the rapid hardening cement comprises rapid hardening cement, fine early-strength cement, sand, water and a rapid hardening auxiliary agent, wherein the cement comprises the following components in percentage by weight: 25% -30%, the proportion of the fine early strength cement is as follows: 5% -8%, the sand and stone accounts for the ratio: 40% -50%, the water accounts for the ratio: 15% -20%, the rapid hardening auxiliary agent comprises the following components in percentage by weight: 5% -9%, the rapid hardening auxiliary agent is prepared by mixing a water reducing agent, a defoaming agent, an early strength agent and a flocculating agent. According to the early-strength non-shrinkage grouting material and the preparation method thereof, the formula ratio of the grouting material and the used raw materials are changed, and in the aspect of cement, the early-strength cement and the rapid hardening cement are used, so that the grouting material is quickly hardened to meet the construction requirement, and meanwhile, the rapid hardening auxiliary agent is added, so that the proportion of each component of the additive is changed, so that the grouting material meets the construction requirement, and the quick hardening time is obtained.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to an early-strength non-shrinkage grouting material and a preparation method thereof.
Background
The high-strength shrinkage-free grouting material is a thinner grouting material, is called grouting material for short in ordinary times, has wide application, is suitable for grouting equipment foundations such as machine bases and foundation bolts, reinforcing, rush-repair and reinforcing of beams, plates, columns, foundations, terraces and roads of buildings, can be used for anchoring and structural reinforcement of the foundation bolts and reinforcing steel bars, and can be used for embedding construction joints of engineering reverse-striking methods such as subways, tunnels and underground.
The grouting material has the characteristics of early strength, high self-fluidity, micro-expansibility, capability of being constructed in winter and strong durability, and when the conventional grouting material is used at certain specific positions, the requirement of quick strength increasing cannot be met, so that the construction progress is greatly influenced, and the grouting position is slowly hardened, thereby providing the early-strength non-shrinkage grouting material and the preparation method thereof.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the early-strength non-shrinkage grouting material and the preparation method thereof, which have the advantage of improving the hardening efficiency and solve the problems that the existing grouting material cannot meet the requirement of quick strength increase when used at certain specific parts, so that the construction progress is greatly influenced, and the hardening of the grouting part is slow.
(II) technical scheme
In order to achieve the purpose of improving the hardening efficiency, the invention provides the following technical scheme: an early strength type non-shrinkage grouting material and a preparation method thereof comprise the following raw materials in parts by weight: rapid hardening cement, fine early strength cement, sand, water and rapid hardening auxiliary agent.
The cement comprises the following components in percentage by weight: 25 to 30 percent.
The fine early-strength cement comprises the following components in percentage by weight: 5 to 8 percent.
The sand accounts for the following ratio: 40 to 50 percent.
The water accounts for the ratio: 15 to 20 percent.
The rapid hardening auxiliary agent comprises the following components in percentage by weight: 5 to 9 percent.
The rapid hardening auxiliary agent is prepared by mixing a water reducing agent, a defoaming agent, an early strength agent and a flocculating agent.
Preferably, the water reducing agent in the rapid hardening auxiliary agent comprises the following components in percentage by weight: 0.4-0.45%, and the defoaming agent comprises the following components in percentage by weight: 0.05-0.1 percent, and the early strength agent comprises the following components in percentage by weight: 0.2-0.3%, and the flocculating agent comprises the following components in percentage by weight: 0.15 to 0.35 percent.
Preferably, the cement is rapid hardening portland cement.
Preferably, the water reducing agent is a powdery polycarboxylic acid water reducing agent, and the defoaming agent is a powdery organic silicon defoaming agent.
Preferably, the early strength agent is powdery nitrite or chromate, and the flocculating agent is powdery citric acid or tartaric acid.
The invention aims to solve another technical problem of providing a preparation method of an early-strength non-shrinkage grouting material, which comprises the following steps:
the method comprises the following steps: mixing 25-30% of cement, 5-8% of fine early strength cement, 40-50% of sand stone and 5-9% of rapid hardening auxiliary agent in sequence;
step two: and (3) adding 15-20% of water into the mixture prepared in the step one to obtain the grouting material.
(III) advantageous effects
Compared with the prior art, the invention provides the early-strength non-shrinkage grouting material and the preparation method thereof, and the early-strength non-shrinkage grouting material has the following beneficial effects:
according to the early-strength non-shrinkage grouting material and the preparation method thereof, the formula ratio of the grouting material and the raw materials used by the grouting material are changed, and in the aspect of cement, the early-strength cement and the rapid-hardening cement are used, so that the grouting material is quickly hardened to meet the construction requirement, and meanwhile, the rapid-hardening auxiliary agent is added, so that the proportion of each component of the additive is changed, so that the grouting material meets the construction requirement, and the quick hardening time is obtained.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows: cement: 25 percent;
fine early strength cement: 5 percent;
sand and stone: 50 percent;
water: 15 percent;
quick hardening auxiliary agent: 5 percent.
A preparation method of an early-strength non-shrinkage grouting material comprises the following steps:
the method comprises the following steps: mixing 25% of cement, 5% of fine early-strength cement, 50% of sand and 5% of quick hardening auxiliary agent in sequence;
step two: and (4) adding 15% of water into the mixture prepared in the step one to obtain the grouting material.
Example two: cement: 27%;
fine early strength cement: 6 percent;
sand and stone: 40 percent;
water: 19 percent;
quick hardening auxiliary agent: 8 percent.
A preparation method of an early-strength non-shrinkage grouting material comprises the following steps:
the method comprises the following steps: mixing 27% of cement, 6% of fine early-strength cement, 40% of sand and 8% of rapid hardening auxiliary agent in sequence;
step two: and (3) adding 19% of water into the mixture prepared in the step one to obtain the grouting material.
Example three: cement: 30 percent;
fine early strength cement: 8 percent;
sand and stone: 40 percent;
water: 17 percent;
quick hardening auxiliary agent: 5 percent.
A preparation method of an early-strength non-shrinkage grouting material comprises the following steps:
the method comprises the following steps: sequentially mixing 30% of cement, 8% of fine early-strength cement, 40% of sand and stone and 5% of quick-hardening auxiliary agent;
step two: and (4) adding 17% of water into the mixture prepared in the first step to obtain the grouting material.
The invention has the beneficial effects that:
according to the early-strength non-shrinkage grouting material and the preparation method thereof, the formula ratio of the grouting material and the raw materials used by the grouting material are changed, and in the aspect of cement, the early-strength cement and the rapid-hardening cement are used, so that the grouting material is quickly hardened to meet the construction requirement, and meanwhile, the rapid-hardening auxiliary agent is added, so that the proportion of each component of the additive is changed, so that the grouting material meets the construction requirement, and the quick hardening time is obtained.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The early-strength non-shrinkage grouting material is characterized by comprising the following raw materials in parts by weight: rapid hardening cement, fine early strength cement, sand, water and a rapid hardening auxiliary agent;
the proportion of the cement is as follows: 25 to 30 percent;
the fine early-strength cement comprises the following components in percentage by weight: 5% -8%;
the sand and stone accounts for the following ratio: 40% -50%;
the water accounts for the ratio: 15% -20%;
the rapid hardening auxiliary agent comprises the following components in percentage by weight: 5% -9%;
the rapid hardening auxiliary agent is prepared by mixing a water reducing agent, a defoaming agent, an early strength agent and a flocculating agent.
2. The early strength non-shrinkage grouting material and the preparation method thereof as claimed in claim 1, wherein: in the rapid hardening auxiliary agent, the water reducing agent has the following ratio: 0.4-0.45%, and the defoaming agent comprises the following components in percentage by weight: 0.05-0.1 percent, and the early strength agent comprises the following components in percentage by weight: 0.2-0.3%, the flocculating agent is in proportion as follows: 0.15 to 0.35 percent.
3. The early strength non-shrinkage grouting material and the preparation method thereof as claimed in claim 1, wherein: the cement is rapid hardening portland cement.
4. The early strength type non-shrinkage grouting material and the preparation method thereof according to claim 2, characterized in that: the water reducing agent is a powdery polycarboxylic acid water reducing agent, and the defoaming agent is a powdery organic silicon defoaming agent.
5. The early strength type non-shrinkage grouting material and the preparation method thereof according to claim 2, characterized in that: the early strength agent is powdery nitrite or chromate, and the flocculating agent is powdery citric acid or tartaric acid.
6. The preparation method of the early-strength non-shrinkage grouting material is characterized by comprising the following steps of:
the method comprises the following steps: mixing 25-30% of cement, 5-8% of fine early strength cement, 40-50% of sand stone and 5-9% of rapid hardening auxiliary agent in sequence;
step two: and (3) adding 15-20% of water into the mixture prepared in the step one to obtain the grouting material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210604123.0A CN114956731A (en) | 2022-05-31 | 2022-05-31 | Early-strength non-shrinkage grouting material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210604123.0A CN114956731A (en) | 2022-05-31 | 2022-05-31 | Early-strength non-shrinkage grouting material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114956731A true CN114956731A (en) | 2022-08-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210604123.0A Pending CN114956731A (en) | 2022-05-31 | 2022-05-31 | Early-strength non-shrinkage grouting material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114956731A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913840A (en) * | 2010-08-10 | 2010-12-15 | 刘茂平 | Rapid hardening high-strength grouting material |
| CN103539412A (en) * | 2013-09-27 | 2014-01-29 | 江苏兆佳建材科技有限公司 | Early-strength type cement-based grouting material and using method thereof |
| CN107176812A (en) * | 2017-07-19 | 2017-09-19 | 张聪聪 | High intensity contraction-free grouting concrete and its production method |
-
2022
- 2022-05-31 CN CN202210604123.0A patent/CN114956731A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913840A (en) * | 2010-08-10 | 2010-12-15 | 刘茂平 | Rapid hardening high-strength grouting material |
| CN103539412A (en) * | 2013-09-27 | 2014-01-29 | 江苏兆佳建材科技有限公司 | Early-strength type cement-based grouting material and using method thereof |
| CN107176812A (en) * | 2017-07-19 | 2017-09-19 | 张聪聪 | High intensity contraction-free grouting concrete and its production method |
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