| 长环形支架(U型钢)耦合加固技术研究与应用 |
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| 引用本文： | 刘凯,周洪文,丁其全.长环形支架(U型钢)耦合加固技术研究与应用[J].中国煤炭,2012,38(5):62-65. |
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| 作者姓名： | 刘凯 周洪文 丁其全 |
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| 作者单位： | 1. 武汉理工大学资源与环境工程学院,湖北省武汉市,430070
2. 冀中能源邯矿集团陶二煤矿,河北省邯郸市,056200 |
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| 摘 要： | 探讨了锚网索+长环形支架(U型钢)的“双壳”加固二次支护方法,在陶二煤矿首采区回风上山进行了二次支护技术工业性试验,在巷道中共施工40组长环形支架进行试验.结果表明,首采区回风上山巷道两帮及顶底板变形量趋于平稳,巷道变形得到有效控制,达到预期支护效果.
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| 关 键 词： | 松软岩层 巷道支护 长环形支架 锚网支护 底板注浆 |
Research and application of strengthening technique for square ring support coupling |
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| Liu Kai
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Zhou Hongwen
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Ding Qiquan.Research and application of strengthening technique for square ring support coupling[J].China Coal,2012,38(5):62-65. |
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| Authors: | Liu Kai Zhou Hongwen Ding Qiquan |
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| Affiliation: | 1.College of Resources and Environmental Engineering,Wuhan University of Technology,Wuhan,Hubei 430070,China; 2.Taoer Coal Mine,Handan Coal Mining Group,Jizhong Energy Group Corporation Ltd., Handan,Hebei 056200,China) |
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| Abstract: | The double supporting way with cable anchor and rectangular ring(U-shape steel) supports was discussed,and applied to the first mining area of Taoer Coal Mine.40 sets of rectangular ring supports were used in the center of roadway.The results showed that the roadway deformation tend to be stable and controlled effectively,achieving the desired supporting effect. |
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| Keywords: | soft rock strata roadway support rectangular ring supports anchor net support floor grouting |
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