套孔应力解除法与声发射法在新城矿区深部地应力测量中的对比研究
马春德,刘泽霖,谢伟斌,魏新傲,赵新浩,龙珊

Comparative Study of Stress Relief Method and Acoustic Emission Method in In-situ Stress Measurement in Deep Area of Xincheng Gold Mine
Chunde MA,Zelin LIU,Weibin XIE,Xin’ao WEI,Xinhao ZHAO,Shan LONG
表2 应力解除法各测点三维主应力计算结果
Table 2 Calculation results of three-dimensional principal stress of each measuring point by stress relief method
测点编号最大主应力σ1中间主应力σ2最小主应力σ3
大小/MPa方位/(°)倾角/(°)大小/MPa方位/(°)倾角/(°)大小/MPa方位/(°)倾角/(°)
-830 m-1#33.18282.214.5621.6631.1176.1614.08191.1513.03
-830 m-2#32.64271.158.9321.7238.2275.3914.23179.3211.47
-895 m-3#36.14260.3415.5524.75131.3166.1519.43355.4117.61
-940 m-4#37.23269.4712.0328.09158.2059.5720.745.8427.49
-1030 m-5#42.90278.4013.7530.3135.2261.5413.99182.0324.40
-1030 m-6#42.52284.5813.0128.42110.5676.9324.3114.891.32