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聂兴信,甘泉,高建,冯珊珊

Research on Safety Roof Span in Continuous Mining of Gold Vein Group Under Synergistic Concept

Xingxin NIE,Quan GAN,Jian GAO,Shanshan FENG

图3 荷载传递交汇线法计算示意图

Fig.3 Calculation diagram of load transfer intersection method