本文采用空芯包体方法地应力测量表明吕家坨井田是水平应力场,测量结果为矿井采场合理布局、巷道布置选择和锚杆支护设计提供基础数据。
The principle and characteristics of stress measurement with the CSIRO method and the main procedures of in situ stress measurement carried in 4 coal mines of Xingtai mining area are introduced.
本文采用空芯包体方法地应力测量表明吕家坨井田是水平应力场,测量结果为矿井采场合理布局、巷道布置选择和锚杆支护设计提供基础数据。
The principle and characteristics of stress measurement with the CSIRO method and the main procedures of in situ stress measurement carried in 4 coal mines of Xingtai mining area are introduced.
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