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Study on Safety Distance of Vertical Overlap Roadway
Author(s): 
Pages: 8-12
Year: Issue:  3
Journal: Coal

Keyword:  安全距离数值模拟松动圈莫尔-库仑准则;
Abstract: 针对某矿在巷道掘进过程中需要解决两条垂直重叠巷道的安全距离及巷道支护问题,文章采用理论分析、FLAC3D数值模拟、理论计算和现场实测的方法,确定了两垂直重叠巷道的最小安全错距和支护方案,并通过现场矿压观测验证了支护方案的可行性.研究成果不仅可以为本矿井提供借鉴而且可以为其他类似情况的巷道支护提供参考依据.
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