| 低黏度水玻璃化学注浆材料试验研究 |
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| 引用本文： | 贺文,周兴旺,徐润. 低黏度水玻璃化学注浆材料试验研究[J]. 煤炭科学技术, 2011, 39(4): 44-47,77 |
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| 作者姓名： | 贺文 周兴旺 徐润 |
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| 作者单位： | 1. 煤炭科学研究总院,建井研究分院,北京,100013;北京中煤矿山工程有限公司,北京,100013
2. 天地科技股份有限公司,北京,100013 |
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| 基金项目： | "十一五"国家科技支撑计划资助项目 |
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| 摘 要： | 为解决煤矿深部基岩段微裂隙和孔隙性含水地层注浆困难的问题,对溶液型水玻璃化学注浆材料进行了研究。采用正交试验研究了水玻璃模数、水玻璃体积分数、乙二醇二乙酸酯体积分数对浆液胶凝时间、黏度及浆液固砂体抗压强度的影响。正交试验表明:影响浆液胶凝时间最显著的因素为乙二醇二乙酸酯体积分数;影响浆液黏度及固砂体抗压强度最显著的因素皆为水玻璃体积分数。试验结果表明:采用乙二醇二乙酸酯作为水玻璃的胶凝剂可以得到结石体强度较高(约1MPa)、胶凝时间可调(5~30 min)、黏度较低(≤6 mPa.s)的新型水玻璃浆液。
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| 关 键 词： | 注浆 水玻璃 乙二醇二乙酸酯 正交试验 |
Experimental Research on Sodium Silicate Chemical Grouting Material with Low Viscosity |
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| HE Wen,ZHOU Xing-wang,XU Run. Experimental Research on Sodium Silicate Chemical Grouting Material with Low Viscosity[J]. Coal Science and Technology, 2011, 39(4): 44-47,77 |
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| Authors: | HE Wen ZHOU Xing-wang XU Run |
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| Affiliation: | HE Wen1,2,ZHOU Xing-wang3,XU Run1,2(1.Mine Construction Research Branch,China Coal Research Institute,Beijing 100013,China,2.Beijing China Coal Mine Construction and Engineering Company Ltd.,3.Tiandi Science and Technology Company Ltd.,China) |
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| Abstract: | In order to solve the grouting difficulty with particle grout material in micro fissures and porosity aquifer of deep base rock in the coal mine,a study on the chemical grouting material of solution type sodium silicate was conducted.The orthogonal experiment was applied to study the modulus of sodium silicate,the volume fraction of sodium silicate,the volume fraction of ethyl alcohol glacial acetic acid affected to the gelatinous time of the grout,the viscosity and the compressive strength of the grout con... |
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| Keywords: | grouting sodium silicate ethyl alcohol glacial acetic acid orthogonal experiment |
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