| 采动覆岩中复合关键层的断裂跨距计算 |
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| 引用本文： | 茅献彪,缪协兴,钱鸣高.采动覆岩中复合关键层的断裂跨距计算[J].岩土力学,1999,20(2):1-4. |
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| 作者姓名： | 茅献彪 缪协兴 钱鸣高 |
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| 作者单位： | 中国矿业大学数力系!徐州221008 |
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| 基金项目： | 国家自然科学基金,煤炭科学基金 |
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| 摘 要： | 基于采动覆岩中的关键层理论，深入分析了相邻坚硬岩层所产生的复合效应，并用有限单元法计算了复合关键层的断裂跨度
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| 关 键 词： | 关键层理论 采动覆岩 采场来压 复合关键层 岩层控制 |
Calculation for Fracture Span of Conpound Key Strata in Mining Rocks |
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| Mao Xianbiao,Miao Xiex ing,Qian Minggao.Calculation for Fracture Span of Conpound Key Strata in Mining Rocks[J].Rock and Soil Mechanics,1999,20(2):1-4. |
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| Authors: | Mao Xianbiao Miao Xiex ing Qian Minggao |
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| Abstract: | On the basis of the research of theory of key strata in the m ining rocks, the com pound effectcaused by hard strata is studied in detail. The fracture span of com pound key strata is calculated by F E M . |
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| Keywords: | key strata theory mining rocks roof w eighting compound key strata strata control |
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