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3 4种方案沿倾向主应力云图 σ c m a x为最小主应力；σ t m a x为最大主应力

Fig.3 Principal stress cloud along inclination of four schemes