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A platform for research: civil engineering, architecture and urbanism
Grouting material, preparation method and application thereof in seepage-proofing and water-plugging construction
The invention provides a grouting material and a preparation method thereof, and belongs to the technical field of underground engineering materials. The grouting material provided by the invention comprises the following raw materials: 760-800 parts of clay, 80-120 parts of cement, 30-70 parts of bentonite, 700-800 parts of water, 5-15 parts of water glass and 1-5 parts of a water reducing agent.According to the invention, bentonite is used for improving the clay basic slurry, and complex reaction with a cement hydration product is carried out, so that the water flushing release resistance,strength and permeation resistance of the slurry are improved, and the product has excellent economical efficiency; the water glass accelerates the gelling time of the material and generates relatively stable micelles with the clay cement slurry; the water reducing agent reduces the porosity of the material and improves the strength and impermeability of the material. The initial setting time of the grouting material is 75min, the final setting time of the grouting material is 135min, and the slurry retention rate reaches 93.82% when the water flow speed is 0.5m/s after grouting.
本发明提供了一种注浆材料及其制备方法，属于地下工程材料技术领域。本发明提供的注浆材料的原料包括粘土760～800份、水泥80～120份、膨润土30～70份、水700～800份、水玻璃5～15份和减水剂1～5份。本发明利用膨润土对粘土基础浆液进行改善，与水泥水化产物发生复杂的反应，提高了浆液抗水冲释性、强度和抗渗透性，且具有优异的经济性；水玻璃加快了材料的胶凝时间并与粘土水泥浆液生成相对稳定的胶团；减水剂降低了材料的孔隙率，提高材料的强度和抗渗性。本发明提供的注浆材料的初凝时间为75min，终凝时间为135min，注浆后在水流速度为0.5m/s时浆液留存率达93.82％。
Grouting material, preparation method and application thereof in seepage-proofing and water-plugging construction
The invention provides a grouting material and a preparation method thereof, and belongs to the technical field of underground engineering materials. The grouting material provided by the invention comprises the following raw materials: 760-800 parts of clay, 80-120 parts of cement, 30-70 parts of bentonite, 700-800 parts of water, 5-15 parts of water glass and 1-5 parts of a water reducing agent.According to the invention, bentonite is used for improving the clay basic slurry, and complex reaction with a cement hydration product is carried out, so that the water flushing release resistance,strength and permeation resistance of the slurry are improved, and the product has excellent economical efficiency; the water glass accelerates the gelling time of the material and generates relatively stable micelles with the clay cement slurry; the water reducing agent reduces the porosity of the material and improves the strength and impermeability of the material. The initial setting time of the grouting material is 75min, the final setting time of the grouting material is 135min, and the slurry retention rate reaches 93.82% when the water flow speed is 0.5m/s after grouting.
本发明提供了一种注浆材料及其制备方法，属于地下工程材料技术领域。本发明提供的注浆材料的原料包括粘土760～800份、水泥80～120份、膨润土30～70份、水700～800份、水玻璃5～15份和减水剂1～5份。本发明利用膨润土对粘土基础浆液进行改善，与水泥水化产物发生复杂的反应，提高了浆液抗水冲释性、强度和抗渗透性，且具有优异的经济性；水玻璃加快了材料的胶凝时间并与粘土水泥浆液生成相对稳定的胶团；减水剂降低了材料的孔隙率，提高材料的强度和抗渗性。本发明提供的注浆材料的初凝时间为75min，终凝时间为135min，注浆后在水流速度为0.5m/s时浆液留存率达93.82％。
Grouting material, preparation method and application thereof in seepage-proofing and water-plugging construction
一种注浆材料及其制备方法和在防渗堵水施工中的应用
ZHANG KENENG (author) / WANG YINGZHUO (author) / PENG GUOWEI (author) / ZHANG YUNYI (author) / ZHU KAOFEI (author) / DAN XINMIN (author) / YU JIAWEI (author)
2020-11-06
Patent
Electronic Resource
Chinese
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