Method and device for determining strip mining width of complex opencast coal mine with multiple layers of down-dip weak-layer soil rocks

• Main Authors: XU YONGCHAO, FU HEYING, ZHANG QI, SHI YONGLIANG, ZHAO LICHUN, MIAO ZHANWEI, YU XIKAI, ZHAO XU, QI LIMIN, TENG RUIXUE, XU QIANFENG, WANG XIAOGUANG, ZONG HE, LI WEI, JIANG XINQI, FU WENLIN, YANZHUO WANG, SHANG DONG
• Format: Patent
• Language: Chinese; English
• Published: 11.11.2022
• Subjects: CALCULATING; COMPUTING; COUNTING; DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES; ELECTRIC DIGITAL DATA PROCESSING; PHYSICS; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR

The invention provides a multi-layer down-dip weak layer soil rock complex open pit coal mine strip mining width determination method and device, and relates to the field of coal mining, and the method comprises the following steps: obtaining a safety reserve coefficient and a stability coefficient of a weak layer in a side slope; the weak layer in the side slope is optimized, so that the safety reserve coefficient and the stability coefficient of the optimized weak layer in the side slope meet mining conditions; when the safety reserve coefficient and the stability coefficient of the weak layer in the slope cannot meet the mining condition, the weak layer in the slope is optimized according to the three-dimensional retaining effect, and the width of a strip mining opening in the bottom of the soil layer is obtained. According to the method, on the premise of ensuring the safety and stability of the side slope, the benefit mining maximization is realized by mining coal resources to the maximum extent by utili