strip coal mining 露天采煤
strip coal mine 露天煤矿
strip coal pillars 条带煤柱
deep strip coal mine 深露天煤矿
strip mining of coal 露采煤矿
strip extraction coal-pillar mining 条采煤柱回收
strip closed coal yard 封闭条形煤场
The instability and failure of strip coal pillar along strike is a typical nonlinear process.
走向条带煤柱的破坏失稳是典型的偏离平衡态的非线性过程。
Taking Fushun Strip Coal Mine slope for example, the failure mechanism and distortion rule of the slope are analyzed.
以抚顺西露天矿北帮边坡为例,分析了边坡变形规律和破坏机制。
A formula of the stress and the width of plastic zone in strip coal pillars is derived by strictly mathematical calculation.
通过数学运算推导出条带煤柱塑性区应力及宽度的表达式。
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