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1 求解地应力的最终应变值

Table 1 Strain value for solving in-situ stress

测点编号 最终应变值 标定值 ε1 ε2 ε3 ε4 ε5 ε6 ε7 ε8 ε9 ε10 ε11 ε12 E/MPa μ -830 m-1# 496 321 115 250 1 027 -401 429 819 998 593 37 546 59 781 0.17 -830 m-2# 616 229 103 215 987 -182 387 942 901 599 58 542 58 712 0.19 -895 m-3# 840 410 1 157 1 369 678 645 465 159 620 433 395 611 56 232 0.25 -940 m-4# 859 470 354 -658 725 741 551 197 786 494 477 743 60 340 0.18 -1030 m-5# - 1 105 947 -339 557 112 492 972 219 976 1 456 479 57 191 0.16 -1030 m-6# 801 491 480 1 051 759 694 -111 545 807 191 542 -267 60 955 0.20