| 老顶边界条件下采场矿压显现规律及直接顶破坏模式 |
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| 引用本文： | 康立勋,靳海水.老顶边界条件下采场矿压显现规律及直接顶破坏模式[J].太原理工大学学报,1998,29(2):125-128. |
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| 作者姓名： | 康立勋 靳海水 |
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| 作者单位： | 太原理工大学采矿与土木工程系 |
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| 摘 要： | 运用数值计算方法，分析了老顶在断裂前后及不同来压步距时对采场围岩的位移及应力状态的影响。为揭示采场顶板的稳定性提供了依据。
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| 关 键 词： | 老顶边界 矿压显现 直接顶 破坏模式 |
Longwall Face Roof Behaviour and Immediate Roof Failure Pattern under Main Roof upper Boundary |
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| Kang Lixun\ Jin Haishui\ Yang Shuangsuo.Longwall Face Roof Behaviour and Immediate Roof Failure Pattern under Main Roof upper Boundary[J].Journal of Taiyuan University of Technology,1998,29(2):125-128. |
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| Authors: | Kang Lixun\ Jin Haishui\ Yang Shuangsuo |
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| Abstract: | Using numerical method,influences of pre fracture and post fracture, and different weighting paces of main roof on displacement and stress state of surrounding rocks are analysed. Immediate roof failure pattern under main roof upper boundary is also studied. |
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| Keywords: | main roof boundary roof behaviour immediate roof failure pattern |
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