黄金科学技术 ›› 2019, Vol. 27 ›› Issue (6): 862-870.doi: 10.11872/j.issn.1005-2518.2019.06.862
Yezhen XIE(),Ping CAO,Haoran CHEN
摘要:
随着矿山开采深度的持续增加,深部高地应力作用下矿区的地压灾害发生率逐渐增长。为使矿区能够安全合理地开展生产工作,准确测量区域内的地应力分布情况,并在此基础上进行巷道布置优化研究很有必要。采用套孔应力解除法对滥泥坪深部3个中段进行三维地应力测试,并对三维应力场分布特征进行分析。测量结果表明:滥泥坪矿区应力随深度基本呈线性增长,实测的各中段最大主应力值在28.62~43.10 MPa之间,原岩应力场以水平构造应力为主,总体表现为NNW-SSE向,根据测量结果调整巷道布置方向并建立三维地质模型对巷道稳定性进行分析,研究结果对巷道布置和矿山安全生产具有重要的指导意义。
中图分类号:
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