| 扩修巷道壁后注浆加固技术 |
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| 引用本文： | 李夏,张晨晨,张向磊.扩修巷道壁后注浆加固技术[J].价值工程,2012,31(7):87-88. |
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| 作者姓名： | 李夏 张晨晨 张向磊 |
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| 作者单位： | 河南煤业化工集团陈召一矿,焦作,454000 |
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| 摘 要： | 根据巷道支护形式和地质条件分析,研究应用了扩修巷道壁后注浆加固技术,提出了加固围岩、局部造顶、防止顶板冒落等技术,采用分散、间歇注浆,对扩修巷道壁后注浆加固技术进行了现场试验。试验结果表明,该技术满足了扩修巷道壁后注浆加固的技术要求,提高了顶板整体性和围岩抗压强度,保证了巷道扩修的安全施工。
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| 关 键 词： | 扩修巷道 围岩破碎 造顶 注浆 |
Grouting Reinforcement Behind Segment Technology of Expanding Laneway |
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| Li Xia
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Zhang Chenchen
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Zhang Xianglei.Grouting Reinforcement Behind Segment Technology of Expanding Laneway[J].Value Engineering,2012,31(7):87-88. |
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| Authors: | Li Xia Zhang Chenchen Zhang Xianglei |
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| Institution: | Li Xia;Zhang Chenchen;Zhang Xianglei(Chenzhao Mine He’nan Coal Chemical Industry Group,Jiaozuo 454000,China) |
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| Abstract: | According to the supporting form of roadway and geological conditions analysis,this paper applied the grouting reinforcement behind segment technology of expanding laneway,pointed out the rock reinforcement,local-made top,roof caving prevention and other techniques,used dispersion and intermittent grouting,and conducted site test of the grouting reinforcement behind segment technology of expanding laneway.The results show that this technology meets the technical requirements of grouting behind segment of the expanding roadway,improves the integrity of roof and the compressive strength of rock,and ensure the safety of the roadway expansion construction. |
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| Keywords: | expanding roadway surrounding rock crushing making the top grouting |
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