岩梁破断形式的判断及力学分析
Shaanxi Coal（2010）
Abstract
根据煤层开采前后,采场顶板岩层应力变化的情况,对形成岩梁运动和破坏的基本形式,进行了简要的判断及力学分析。
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Key words
tension failure,shear failure,rock beam,breakage
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