| 新庄煤矿副井大流速含水岩层冻结及已建成井壁保护技术 |
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| 引用本文： | 刘阳军,程志彬,张步俊,刘文民. 新庄煤矿副井大流速含水岩层冻结及已建成井壁保护技术[J]. 建井技术, 2014, 0(5) |
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| 作者姓名： | 刘阳军 程志彬 张步俊 刘文民 |
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| 作者单位： | 1. 内蒙古伊泰广联煤化有限责任公司,内蒙古 鄂尔多斯,017000
2. 中煤第五建设有限公司第三工程处,江苏 徐州,221140 |
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| 摘 要： | 新庄煤矿副井采用普通法掘砌施工至垂深130m处后,改用冻结法施工。针对大流速含水岩层冻结难度大等问题,采取了适当增加冻结管数量,控制钻孔最大偏斜,适当增大冻结管直径,加大冻结初期盐水流量等措施,并对盐水温度、流量进行合理调控,顺利完成了冻结施工任务。同时,对已建成的130m井壁,采取布置隔温孔,结合多种调控措施的综合隔温保护措施加以保护,使其未遭受冻胀力破坏,收到了预期效果。
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| 关 键 词： | 井筒 大流速含水岩层 冻结法 井壁保护 隔温孔 |
Ground Freezing of Water Bearing Strata with High Water Flow in Mine Auxiliary Shaft of Xinzhuang Mine and Protection Technology of Constructed Mine Shaft Liner |
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| LIU Yangjun,CHENG Zhibin,ZHANG Bujun,LIU Wenmin. Ground Freezing of Water Bearing Strata with High Water Flow in Mine Auxiliary Shaft of Xinzhuang Mine and Protection Technology of Constructed Mine Shaft Liner[J]. Mine Construction Technology, 2014, 0(5) |
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| Authors: | LIU Yangjun CHENG Zhibin ZHANG Bujun LIU Wenmin |
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| Abstract: | |
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| Keywords: | mine shaft water bearing strata with high water flow ground freezing method mine shaft liner protection thermal insulation borehole |
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