| 综放面沿空护巷小煤柱注浆加固试验研究 |
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| 引用本文： | 乔越.综放面沿空护巷小煤柱注浆加固试验研究[J].煤矿现代化,2019(4):12-14,18. |
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| 作者姓名： | 乔越 |
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| 作者单位： | 山西宏厦第一建设有限责任公司 |
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| 摘 要： | 针对综放工作面区段小煤柱留设后,沿空巷道变形严重问题,提出采用注浆加固小煤柱方案,通过数值模拟对注浆与未注浆情况下,煤柱内部核区及围岩塑性区变化进行对比,表明注浆加固可增加煤柱内部核区宽度。10m小煤柱注浆加固工业性试验结果表明,注浆加固后小煤柱强度得到提高,巷道两帮移近量得到有效控制,实现了沿空巷道围岩稳定。
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| 关 键 词： | 综放面 小煤柱 注浆加固 围岩稳定 |
Experimental study on grouting reinforcement of small coal pillar along gob-side roadway in fully mechanized caving face |
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| QIAO Yue.Experimental study on grouting reinforcement of small coal pillar along gob-side roadway in fully mechanized caving face[J].Coal Mine Modernization,2019(4):12-14,18. |
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| Authors: | QIAO Yue |
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| Affiliation: | (Shanxi Hongsha No.1 Construction Company Limited , Shanxi Yangquan 045008) |
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| Abstract: | QIAO Yue(Shanxi Hongsha No.1 Construction Company Limited , Shanxi Yangquan 045008) |
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| Keywords: | fully mechanized caving face small coal pillar grouting reinforcement surrounding rock stability |
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