Based on the key strata theory, the effect of the key strata breakage, position and the effect of the cut depth on the surrounding rock abutment pressure is analyzed in numerical simulation ways.

 
  • 運用數值模擬方法,主要分析了關(guān)鍵層的破斷、關(guān)鍵層相對位置及采深等對圍巖支承壓力的影響;
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