Zheng Hai-feng
Abstract
On the basis of comparison between several mining methods,the pillarless sublevel caving is finally chosen as most reasonable method for deepening mining in center zone of Gongchangling Underground Mine.By means of the method,the expected mining capacity of 3.5Mt/a is ensured.
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On the basis of comparison between several mining methods,the pillarless sublevel caving is finally chosen as most reasonable method for deepening mining in center zone of Gongchangling Underground Mine.By means of the method,the expected mining capacity of 3.5Mt/a is ensured.
Key concepts: Mining engineering, Underground mining (soft rock), Selection (genetic algorithm), Center (category theory), Site selection, Groundwater, Geology, Engineering