顶板富水条件下巷道掘进支护技术研究

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英文篇名：Study on roadway excavation support technology under the condition of water-rich roof 作者：安彦霖 英文作者：AN Yanlin;Mugua Mine, Huozhou Coal and Electricity Group Lvliangshan Branch; 关键词：富水条件 ; 分段控制 ; 疏水 ; 导水 ; 围岩控制 英文关键词：Rich water condition;;sectional control;;hydrophobic;;water conduction;;surrounding rock control 中文刊名：MKXD 英文刊名：Coal Mine Modernization 机构：霍州煤电集团吕梁山煤电有限公司木瓜煤矿; 出版日期：2019-06-05 出版单位：煤矿现代化 年：2019 期：No.151 语种：中文; 页：MKXD201904013 页数：4 CN：04 ISSN：37-1205/TD 分类号：40-42+45

摘要

针对111801工作面顺槽顶板岩层在富水条件下,围岩强度降低支护困难问题,通过采取围岩分段控制技术并结合疏水与导水措施对巷道围岩进行综合支护。现场工业性试验结果表明,最终顶板下沉量为142mm,两帮移近量为86mm,底鼓量为34mm,围岩变形量处于可控范围,锚杆(索)受力良好,有效控制了巷道围岩变形。
        Aiming at the problem of the strength of the surrounding rock to reduce the support difficulty under the water rich condition of the111801 face bedding roof strata, the surrounding rock of the roadway is integrated with the drainage and water conduction measures. The field industrial test results show that the final roof subsidence is 142 mm, the two help is 86 mm, the bottom drum is 34 mm, the surrounding rock deformation is in controllable range, the anchor rod(cable) is well, and the surrounding rock deformation of the roadway is controlled effectively.

引文

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