卧虎山铁矿采场极限暴露面积回归优化模型

胡建华,任启帆,亓中华,张纪伟

Regress Optimize Model of Limit Exposure Area to Stope in Wohushan Iron Mine

Jianhua HU,Qifan REN,Zhonghua QI,Jiwei ZHANG

图4 不同采场暴露面积条件下顶板最大拉应力

Fig.4 Maximum tensile stress of roof under different exposure area of stope