| 断层应力区拱形巷道联合支护技术应用 |
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| 引用本文： | 刘殿龙.断层应力区拱形巷道联合支护技术应用[J].江西煤炭科技,2020(1):94-96. |
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| 作者姓名： | 刘殿龙 |
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| 作者单位： | 山西宏宇诚铸建设工程有限公司,山西 朔州 038300 |
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| 摘 要： | 基于北四盘区辅运延伸巷过DFs断层,顶板破碎,出现顶板下沉、局部冒顶现象,分析了原支护设计主要问题,提出采用“JW型钢带连桥+管式注浆锚杆+锚索+U29钢棚”联合支护。断层应力区巷道采取联合支护措施后,未出现冒顶现象,顶板下沉量控制在120 mm以下,掘进速度提高至4.2 m/d.
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| 关 键 词： | 掘进巷道 过断层 联合支护 |
Application of Combined Support Technology in Arch Roadway of Fault Stress Zone |
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| Liu Dianlong.Application of Combined Support Technology in Arch Roadway of Fault Stress Zone[J].Jiangxi Coal Science & Technology,2020(1):94-96. |
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| Authors: | Liu Dianlong |
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| Affiliation: | (Shanxi Hongyu Chengzhu Construction Engineering Co.Ltd.,Shuozhou,Shanxi 038300) |
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| Abstract: | In view of the roof breakage,subsidence and partial fall during crossing fault in auxiliary transportation extension roadway,the combined support with JW-type steel-strip bridging,pipe-type grouting bolt,anchor cable and U29 steel shed was introduced,which can control the roof subsidence under 120 mm and increase the excavation speed to 4.2 m/d with no roof fall. |
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| Keywords: | excavation roadway crossing fault combined support |
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