CN113135721A - High-strength concrete grouting material and preparation method thereof - Google Patents
High-strength concrete grouting material and preparation method thereof Download PDFInfo
- Publication number
- CN113135721A CN113135721A CN202110433574.8A CN202110433574A CN113135721A CN 113135721 A CN113135721 A CN 113135721A CN 202110433574 A CN202110433574 A CN 202110433574A CN 113135721 A CN113135721 A CN 113135721A
- Authority
- CN
- China
- Prior art keywords
- stirring
- sand
- grouting material
- parts
- strength concrete
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- C04B28/06—Aluminous cements
- C04B28/065—Calcium aluminosulfate cements, e.g. cements hydrating into ettringite
-
- 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
Abstract
The invention discloses a high-strength concrete grouting material which comprises, by weight, 3-4 parts of cement, 0.3-0.8 part of slag sand, 1-2 parts of quartz sand, 1.5-2.5 parts of river sand, 0.08-0.15 part of a water reducing agent, 0.1-0.5 part of an early strength agent, 0.2-0.35 part of fly ash, 0.009-0.015 part of polyvinyl alcohol, 0.001-0.005 part of graphene oxide, 0.5-1 part of quartz powder, 0.0005-0.003 part of an antifoaming agent, 0.7-1 part of water, 0.0001-0.0005 part of a stabilizer and 0.002-0.008 part of a pour regulator. Screening, cleaning and air-drying the raw materials, and then carrying out proportioning backup on the raw materials according to parts by weight; mixing and stirring are carried out through a pulping machine, a semi-finished product formed after the mixing and stirring are completed is sampled through a sampler, and the semi-finished product after sampling is subjected to fluidity test. The grouting material prepared by the invention has the beneficial effects of simple process, lower cost, high strength, long service life, improved structural safety and the like.
Description
Technical Field
The invention relates to a grouting material, in particular to a high-strength concrete grouting material and a preparation method thereof.
Background
Grouting is the process of pouring some solidified materials, such as cement, lime or other chemical materials, into the ground rock and soil within a certain range under the foundation to fill cracks and pores in the rock and soil, prevent the leakage of the foundation and improve the integrity, strength and rigidity of the rock and soil. In water retaining buildings such as gates, dams, dikes and the like, a foundation impervious curtain is constructed by a commonly used grouting method, which is a main foundation treatment measure of hydraulic buildings, and the existing grouting material is high in cost and low in design strength, so that later-stage cracking, low in strength, short in service life and influenced in structure safety are caused.
Therefore, the technical personnel in the field aim to provide a high-strength concrete grouting material and a preparation method thereof, which can effectively solve the technical problems.
Disclosure of Invention
In view of the above-mentioned defects in the prior art, the technical problem to be solved by the present invention is to provide a high strength concrete grouting material and a preparation method thereof, which can effectively solve the above-mentioned technical problems.
In order to achieve the purpose, the invention provides a high-strength concrete grouting material which comprises, by weight, 3-4 parts of cement, 0.3-0.8 part of slag sand, 1-2 parts of quartz sand, 1.5-2.5 parts of river sand, 0.08-0.15 part of a water reducing agent, 0.1-0.5 part of an early strength agent, 0.2-0.35 part of fly ash, 0.009-0.015 part of polyvinyl alcohol, 0.001-0.005 part of graphene oxide, 0.5-1 part of quartz powder, 0.0005-0.003 part of a defoaming agent, 0.7-1 part of water, 0.0001-0.0005 part of a stabilizer and 0.002-0.008 part of a pour regulator.
Preferably, the cement mortar comprises 3.5 parts of portland cement, 0.5 part of slag sand, 1.5 parts of quartz sand, 2 parts of river sand, 0.12 part of a water reducing agent, 0.3 part of an early strength agent, 0.28 part of fly ash, 0.011 part of polyvinyl alcohol, 0.003 part of graphene oxide, 0.8 part of quartz powder, 0.8 part of water, 0.0009 part of an antifoaming agent, 0.0003 part of a stabilizer and 0.005 part of a pour regulator.
Preferably, the cement comprises 42.5-grade ordinary portland cement and 42.5-type sulphoaluminate cement, the river sand adopts Ganjiang river sand, the water reducing agent is a polycarboxylic acid water reducing agent, and the water reducing rate of the water reducing agent is not less than 20%.
The preparation method of the high-strength concrete grouting material comprises the following steps:
s1: weighing the raw materials in parts by weight in proportion and then backing up;
s2: placing portland cement, sulphoaluminate cement, slag sand, quartz sand, water and river sand into a pulping machine for mixing and stirring, wherein the stirring time is 7-8 min at the rotating speed of 150-300 r/min;
s3: placing the water reducing agent, the early strength agent and the quartz powder into a pulping machine for mixing and stirring, and forming a semi-finished product after stirring for 2-3 min at the rotating speed of 200-350 r/min;
s4: placing the fly ash, the polyvinyl alcohol, the graphene oxide, the defoaming agent, the stabilizer and the coagulation regulator into a pulping machine for mixing and stirring, wherein the stirring time is 20-25 min at the rotating speed of 350-400 r/min, reducing the rotating speed after the mixing and stirring are completed, and stirring for 10min at the rotating speed of 180-260 r/min to obtain the high-strength concrete grouting material.
Preferably, before backup, the slag sand, the quartz sand and the river sand need to be screened, the screened qualified products are cleaned, and then the cleaned finished products are naturally dried for use as backup parts.
Preferably, in S2, the stirring time is 7min at a rotation speed of 180 r/min; in the step S3, stirring for 2.5min at the rotating speed of 280 r/min; in the S4, the stirring time is 23min at the rotating speed of 380 r/min.
Preferably, the high strength concrete grouting material may be subjected to a fluidity test after it is prepared.
Preferably, after the step S3, the semi-finished product formed after the mixing and stirring is performed is sampled by a sampler, the sampled semi-finished product is subjected to a flowability test, and the next step is performed after the test is passed.
The invention has the beneficial effects that: screening, cleaning and air-drying the raw materials, and then carrying out proportioning backup on the raw materials according to parts by weight; then placing portland cement, sulphoaluminate cement, slag sand, quartz sand, water and river sand into a pulping machine for mixing and stirring, placing a water reducing agent, an early strength agent and quartz powder into the pulping machine for mixing and stirring, placing fly ash, polyvinyl alcohol, graphene oxide, a defoaming agent, a stabilizing agent and a coagulation regulator into the pulping machine for mixing and stirring, sampling a semi-finished product formed after the mixing and stirring is completed through a sampler, and carrying out a fluidity test on the sampled semi-finished product.
Detailed Description
The invention is further illustrated by the following examples:
example 1
The high-strength concrete grouting material comprises, by weight, 3 parts of cement, wherein the cement comprises 42.5-grade ordinary portland cement and 42.5-type sulphoaluminate cement, 0.3 part of slag sand, 1 part of quartz sand, 1.5 parts of river sand, 0.08 part of a water reducing agent, 0.1 part of an early strength agent, 0.2 part of fly ash, 0.009 part of polyvinyl alcohol, 0.001 part of graphene oxide, 0.5 part of quartz powder, 0.0005 part of an antifoaming agent, 0.7 part of water, 0.0001 part of a stabilizer and 0.002 part of a pour point regulator. In the embodiment, the river sand is Ganjiang river sand, the water reducing agent is a polycarboxylic acid water reducing agent, and the water reducing rate of the water reducing agent is not less than 20%.
The preparation method of the high-strength concrete grouting material comprises the following steps:
s1: weighing the raw materials in parts by weight in proportion and then backing up;
s2: placing portland cement, sulphoaluminate cement, slag sand, quartz sand, water and river sand into a pulping machine for mixing and stirring, wherein the stirring time is 7-8 min at the rotating speed of 150-300 r/min;
s3: placing the water reducing agent, the early strength agent and the quartz powder into a pulping machine for mixing and stirring, and forming a semi-finished product after stirring for 2-3 min at the rotating speed of 200-350 r/min;
s4: placing the fly ash, the polyvinyl alcohol, the graphene oxide, the defoaming agent, the stabilizer and the coagulation regulator into a pulping machine for mixing and stirring, wherein the stirring time is 20-25 min at the rotating speed of 350-400 r/min, reducing the rotating speed after the mixing and stirring are completed, and stirring for 10min at the rotating speed of 180-260 r/min to obtain the high-strength concrete grouting material.
Example 2
The high-strength concrete grouting material comprises, by weight, 3.5 parts of portland cement, 0.5 part of slag sand, 1.5 parts of quartz sand, 2 parts of river sand, 0.12 part of a water reducing agent, 0.3 part of an early strength agent, 0.28 part of fly ash, 0.011 part of polyvinyl alcohol, 0.003 part of graphene oxide, 0.8 part of quartz powder, 0.8 part of water, 0.0009 part of a defoaming agent, 0.0003 part of a stabilizer and 0.005 part of a pour modifier. In the embodiment, the cement comprises 42.5-grade ordinary portland cement and 42.5-type sulphoaluminate cement, the river sand adopts Ganjiang river sand, the water reducing agent is a polycarboxylic acid water reducing agent, and the water reducing rate of the water reducing agent is not less than 20%.
The preparation method of the high-strength concrete grouting material comprises the following steps:
s1: weighing the raw materials in parts by weight in proportion and then backing up;
s2: placing portland cement, sulphoaluminate cement, slag sand, quartz sand, water and river sand into a pulping machine for mixing and stirring, wherein the stirring time is 7-8 min at the rotating speed of 150-300 r/min; in this embodiment, in S2, the stirring time is 7min at a rotation speed of 180 r/min; in the step S3, stirring for 2.5min at the rotating speed of 280 r/min; in the S4, the stirring time is 23min at the rotating speed of 380 r/min.
S3: placing the water reducing agent, the early strength agent and the quartz powder into a pulping machine for mixing and stirring, and forming a semi-finished product after stirring for 2-3 min at the rotating speed of 200-350 r/min;
s4: placing the fly ash, the polyvinyl alcohol, the graphene oxide, the defoaming agent, the stabilizer and the coagulation regulator into a pulping machine for mixing and stirring, wherein the stirring time is 20-25 min at the rotating speed of 350-400 r/min, reducing the rotating speed after the mixing and stirring are completed, and stirring for 10min at the rotating speed of 180-260 r/min to obtain the high-strength concrete grouting material. In this embodiment, before backup of the slag sand, the quartz sand, and the river sand, screening of the slag sand, the quartz sand, and the river sand is required, and the screened qualified products are cleaned and then naturally air-dried to be used as backup parts.
In this embodiment, after the high-strength concrete grouting material is prepared, a fluidity test may be performed thereon. And after the step S3, sampling the semi-finished product formed after the mixing and stirring are completed through a sampler, carrying out a fluidity test on the sampled semi-finished product, and carrying out the next step after the test is qualified.
Example 3
The high-strength concrete grouting material comprises, by weight, 4 parts of cement, wherein the cement comprises 42.5-grade ordinary portland cement and 42.5-type sulphoaluminate cement, 0.8 part of slag sand, 2 parts of quartz sand, 2.5 parts of river sand, 0.15 part of a water reducing agent, 0.5 part of an early strength agent, 0.35 part of fly ash, 0.015 part of polyvinyl alcohol, 0.005 part of graphene oxide, 1 part of quartz powder, 0.003 part of an antifoaming agent, 1 part of water, 0.0005 part of a stabilizer and 0.008 part of a pour point regulator. The river sand adopts Ganjiang river sand, the water reducing agent is a polycarboxylic acid water reducing agent, and the water reducing rate of the water reducing agent is not less than 20%.
The preparation method of the high-strength concrete grouting material comprises the following steps:
s1: weighing the raw materials in parts by weight in proportion and then backing up;
s2: placing portland cement, sulphoaluminate cement, slag sand, quartz sand, water and river sand into a pulping machine for mixing and stirring, wherein the stirring time is 7-8 min at the rotating speed of 150-300 r/min; in this embodiment, before backup of the slag sand, the quartz sand, and the river sand, screening of the slag sand, the quartz sand, and the river sand is required, and the screened qualified products are cleaned and then naturally air-dried to be used as backup parts.
S3: placing the water reducing agent, the early strength agent and the quartz powder into a pulping machine for mixing and stirring, and forming a semi-finished product after stirring for 2-3 min at the rotating speed of 200-350 r/min; in this embodiment, in S2, the stirring time is 7min at a rotation speed of 180 r/min; in the step S3, stirring for 2.5min at the rotating speed of 280 r/min; in the S4, the stirring time is 23min at the rotating speed of 380 r/min.
S4: placing the fly ash, the polyvinyl alcohol, the graphene oxide, the defoaming agent, the stabilizer and the coagulation regulator into a pulping machine for mixing and stirring, wherein the stirring time is 20-25 min at the rotating speed of 350-400 r/min, reducing the rotating speed after the mixing and stirring are completed, and stirring for 10min at the rotating speed of 180-260 r/min to obtain the high-strength concrete grouting material.
In this embodiment, after the high-strength concrete grouting material is prepared, a fluidity test may be performed thereon. And after the step S3, sampling the semi-finished product formed after the mixing and stirring are completed through a sampler, carrying out a fluidity test on the sampled semi-finished product, and carrying out the next step after the test is qualified.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (8)
1. The high-strength concrete grouting material is characterized in that: the material composition comprises, by weight, 3-4 parts of cement, 0.3-0.8 part of slag sand, 1-2 parts of quartz sand, 1.5-2.5 parts of river sand, 0.08-0.15 part of a water reducing agent, 0.1-0.5 part of an early strength agent, 0.2-0.35 part of fly ash, 0.009-0.015 part of polyvinyl alcohol, 0.001-0.005 part of graphene oxide, 0.5-1 part of quartz powder, 0.0005-0.003 part of a defoaming agent, 0.7-1 part of water, 0.0001-0.0005 part of a stabilizer and 0.002-0.008 part of a pour regulator.
2. The high strength concrete grout of claim 1, wherein: 3.5 parts of Portland cement, 0.5 part of slag sand, 1.5 parts of quartz sand, 2 parts of river sand, 0.12 part of water reducing agent, 0.3 part of early strength agent, 0.28 part of fly ash, 0.011 part of polyvinyl alcohol, 0.003 part of graphene oxide, 0.8 part of quartz powder, 0.8 part of water, 0.0009 part of defoaming agent, 0.0003 part of stabilizing agent and 0.005 part of pour control agent.
3. The high strength concrete grout of claim 1, wherein: the cement comprises 42.5-grade ordinary portland cement and 42.5-type sulphoaluminate cement, the river sand is Ganjiang river sand, the water reducing agent is a polycarboxylic acid water reducing agent, and the water reducing rate of the water reducing agent is not less than 20%.
4. The method for preparing the high-strength concrete grouting material of claim 3, wherein the method comprises the following steps: the method comprises the following steps:
s1: weighing the raw materials in parts by weight in proportion and then backing up;
s2: placing portland cement, sulphoaluminate cement, slag sand, quartz sand, water and river sand into a pulping machine for mixing and stirring, wherein the stirring time is 7-8 min at the rotating speed of 150-300 r/min;
s3: placing the water reducing agent, the early strength agent and the quartz powder into a pulping machine for mixing and stirring, and forming a semi-finished product after stirring for 2-3 min at the rotating speed of 200-350 r/min;
s4: placing the fly ash, the polyvinyl alcohol, the graphene oxide, the defoaming agent, the stabilizer and the coagulation regulator into a pulping machine for mixing and stirring, wherein the stirring time is 20-25 min at the rotating speed of 350-400 r/min, reducing the rotating speed after the mixing and stirring are completed, and stirring for 10min at the rotating speed of 180-260 r/min to obtain the high-strength concrete grouting material.
5. The method for preparing the high-strength concrete grouting material of claim 4, wherein the method comprises the following steps: the method comprises the steps of screening slag sand, quartz sand and river sand before backup, cleaning qualified products after screening, and naturally air-drying cleaned finished products for later use.
6. The method for preparing the high-strength concrete grouting material of claim 4, wherein the method comprises the following steps: in the step S2, stirring for 7min at the rotating speed of 180 r/min; in the step S3, stirring for 2.5min at the rotating speed of 280 r/min; in the S4, the stirring time is 23min at the rotating speed of 380 r/min.
7. The method for preparing the high-strength concrete grouting material of claim 4, wherein the method comprises the following steps: after the high-strength concrete grouting material is prepared, a fluidity test can be carried out on the high-strength concrete grouting material.
8. The method for preparing a high strength concrete grouting material of claim 7, wherein: and after the step S3, sampling the semi-finished product formed after the mixing and stirring are completed through a sampler, carrying out a fluidity test on the sampled semi-finished product, and carrying out the next step after the test is qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110433574.8A CN113135721A (en) | 2021-04-22 | 2021-04-22 | High-strength concrete grouting material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110433574.8A CN113135721A (en) | 2021-04-22 | 2021-04-22 | High-strength concrete grouting material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113135721A true CN113135721A (en) | 2021-07-20 |
Family
ID=76813461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110433574.8A Pending CN113135721A (en) | 2021-04-22 | 2021-04-22 | High-strength concrete grouting material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113135721A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104844122A (en) * | 2015-06-08 | 2015-08-19 | 北京建筑大学 | Cement grouting material |
| CN107311591A (en) * | 2017-08-01 | 2017-11-03 | 合肥欧仕嘉机电设备有限公司 | A kind of new grouting material and preparation method thereof |
| CN107721318A (en) * | 2017-11-17 | 2018-02-23 | 河北达奥达建材科技股份有限公司 | A kind of graphene cement-based grouting material |
| CN108929090A (en) * | 2018-09-14 | 2018-12-04 | 石家庄国辰知识产权服务有限公司 | A kind of grouting material and preparation method thereof for freeway bridge beam support |
| CN111018455A (en) * | 2019-12-19 | 2020-04-17 | 上海城建建设实业集团新型建筑材料嘉兴有限公司 | Low-temperature type reinforcing steel bar connecting sleeve grouting material and preparation method thereof |
| CN111732401A (en) * | 2020-07-10 | 2020-10-02 | 青岛理工大学 | Anti-corrosion concrete grouting material for coastal structure connection and preparation method thereof |
-
2021
- 2021-04-22 CN CN202110433574.8A patent/CN113135721A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104844122A (en) * | 2015-06-08 | 2015-08-19 | 北京建筑大学 | Cement grouting material |
| CN107311591A (en) * | 2017-08-01 | 2017-11-03 | 合肥欧仕嘉机电设备有限公司 | A kind of new grouting material and preparation method thereof |
| CN107721318A (en) * | 2017-11-17 | 2018-02-23 | 河北达奥达建材科技股份有限公司 | A kind of graphene cement-based grouting material |
| CN108929090A (en) * | 2018-09-14 | 2018-12-04 | 石家庄国辰知识产权服务有限公司 | A kind of grouting material and preparation method thereof for freeway bridge beam support |
| CN111018455A (en) * | 2019-12-19 | 2020-04-17 | 上海城建建设实业集团新型建筑材料嘉兴有限公司 | Low-temperature type reinforcing steel bar connecting sleeve grouting material and preparation method thereof |
| CN111732401A (en) * | 2020-07-10 | 2020-10-02 | 青岛理工大学 | Anti-corrosion concrete grouting material for coastal structure connection and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109678430B (en) | High-strength impervious self-compacting concrete for pipe gallery box culvert and preparation method thereof | |
| CN101549976B (en) | Concrete mixing proportion for deposition tube tunneltron segment | |
| US20230212076A1 (en) | Double-liquid grouting slurry, its technology and application for super large diameter underwater shield engineering under high water pressure condition | |
| CN108793857B (en) | Dry-mixed mortar for synchronous grouting in shield construction and preparation method thereof | |
| CN109293323B (en) | Grouting reinforcement material for treating road diseases and preparation method thereof | |
| CN108358564A (en) | A kind of high ductility cement-base composite material and preparation method thereof | |
| CN112627860B (en) | Advanced grouting method for tunnel face of cement-rich rock stratum | |
| CN108328977B (en) | Concrete repairing material | |
| WO2022007062A1 (en) | Corrosion-resistant concrete grouting material for connecting coastal structure and preparation method therefor | |
| CN108751869A (en) | A kind of permeable crystallization type self-repair concrete structure and preparation method thereof | |
| CN108675710A (en) | A kind of non-dispersible underwater concrete and its construction method | |
| Xu et al. | Grouting performance improvement for natural hydraulic lime-based grout via incorporating silica fume and silicon-acrylic latex | |
| CN113831049B (en) | Slag activity excitant, production method and production equipment thereof | |
| CN106186932A (en) | A kind of strength cement-based grouting material and preparation method thereof | |
| CN114735986A (en) | Quick-setting high-strength type grouting material | |
| CN103553541A (en) | Pile bottom sediment curing agent | |
| WO2022116526A1 (en) | Expansion grout for prestressed pipeline grouting and preparation method therefor | |
| CN113135721A (en) | High-strength concrete grouting material and preparation method thereof | |
| CN114716213A (en) | Underwater grouting pile foundation anti-scouring early-strength grouting material and application | |
| CA1131456A (en) | Multiple grouting process | |
| CN110482955A (en) | A kind of high-strength press pulp material and preparation method thereof | |
| CN114409355B (en) | Low-water-to-gel ratio vertical barrier material and preparation method and application thereof | |
| CN112065416B (en) | Construction method for vertical deviation correction of shield tunneling | |
| CN108947295A (en) | Low-alkali concrete swelling agent and the preparation method and application thereof | |
| CN104790565A (en) | Cast-in-site ardealite load bearing wall composite structure main building construction method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210720 |
|
| RJ01 | Rejection of invention patent application after publication |