井间电磁波CT在煤矿采空区探测效果分析

赵旭辰, 李雪健, 曹芳智, 雷晓东, 李晨, 韩宇达

An analysis of the detection effect of cross-well electromagnetic wave CT in coal mine goaf

ZHAO Xu-Chen, LI Xue-Jian, CAO Fang-Zhi, LEI Xiao-Dong, LI Chen, HAN Yu-Da

表1 电磁波CT显示异常区与钻孔资料对照

Table 1 Comparison table of electromagnetic wave CT abnormal area and borehole datam

钻孔 CT显示异常区深度 钻探掉钻深度 重合范围 重合高度 F5 47.0~51.0 47.0~52.0 47.0~51.0 4 F4 46.5~49.0 45.5~49.5 46.5~49.0 2.5 E4 48.0~49.0 48.0~51.0 48.0~49.0 1 D4 46.5~50.0 45.5~48.5 46.5~48.5 2 D5 48.0~51.0 48.0~52.0 48.0~51.0 3 E5 49.0~51.0 50.0~54.0 50.0~51.0 1 P11 59.0~60.0 59.5~63.0 59.5~60.0 0.5 Q11 56.5~60.0 54.0~58.5 56.5~58.5 2 Q12 56.5~60.0 58.0~60.0 58.0~60.0 2 D15 53.0~58.0 54.0~62.0 54.0~58.0 4 D14 48.0~54.0 49.0~54.0 49.0~54.0 5 C14 51.0~56.0 52.0~60.0 52.0~56.0 2