地下洞室动态开挖的三维数值分析及优化研究
THREE-DIMENSIONAL NUMERICAL ANALYSIS AND OPTIMIZATION OF DYNAMIC EXCAVATION OF AN UNDERGROUND CAVERN
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摘要: 针对云南锡业集团公司个旧锡矿地下采场洞室的开挖技术条件,采用非线性三维有限元法,对其动态开挖过程进行了数值模拟分析,并优化选择了地下采场洞室的开挖顺序和开挖跨距,从而得到一些有益的结论。Abstract: This present a case study of a non-linear three-dimensional finite element method in analysis of the dynamic excavating process of an underground cavern and optimization of excavating sequence and span.The model was developed for an underground cavern of Gejiu Tin Mine of Yunnan Tin Corporation to optimize its operation under current conditions.