三河尖矿7202工作面冲击地压预测与防治
Numerical simulation of strata behavior induced by the sub-level caving mining in non-pillar gates——Us
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摘要: 根据现场实测得到的有关该面煤粉量、超前应力的参数,结合工作面地质、生产条件,对7202面的冲击地压进行了分析、预测及防治,并提出了目前防治冲击地压工作中存在的优缺点。Abstract: Using the finite element method,the roadway deformations in the sub-level caving mining and slicing mining are analysed and compared.
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