软岩巷道修复支护技术研究与应用 |
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引用本文: | 魏晏军. 软岩巷道修复支护技术研究与应用[J]. 江西煤炭科技, 2016, 0(4): 69-71. DOI: 10.3969/j.issn.1006-2572.2016.04.028 |
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作者姓名: | 魏晏军 |
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作者单位: | 贵州盘江精煤股份有限公司,贵州 盘县,553529 |
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摘 要: | 针对211运输石门破碎软岩巷道变形量大、断面收缩周期短、支护困难的问题,通过分析巷道受力情况,找出现有支护的薄弱环节,提出采用全断面锚杆加注浆支护方案进行修复。现场观测表明,巷道顶板、底板、两帮的变形量都得到了有效控制。
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关 键 词: | 破碎软岩 锚注支护 巷道监测 现场测试 |
Research and Application of Support Parameter toSoft Rock Roadway |
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Abstract: | In order to solve the problems of broken soft-rock roadway deformation,short section shrinkage period and difficult support in 211 haulage crosscut,the author proposes improving the existing support with whole-section bolt grouting,which can effectively control the deformation of roadway's roof,floor and two sides. |
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Keywords: | broken soft rock anchorage support roadway monitoring field test |
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