瞬变电磁法探测复杂状态下煤矿充水采空区物理模拟实验

裴肖明, 冯国瑞, 戚庭野

Physical simulation experiment for detecting water-filled goaf of coal mine under complex conditions bases on transient electromagnetic method

PEI Xiao-Ming, FENG Guo-Rui, QI Ting-Ye

表4 不同充水量采空区的衰减电动势响应值

Table 4 Response value of attenuation electromotive force in goaf with different water filling μV/A

充水状态 采样时间/ms 0.5645 0.7005 0.8695 1.0800 1.3405 1.6640 2.0660 2.5645 3.1840 全充水 3.6301 3.5741 3.5219 3.4630 3.3243 3.1076 2.8268 2.4148 2.0729 充1/2水 3.4773 3.3705 3.2642 3.0884 2.8599 2.5970 2.2564 1.9737 1.7080 未充水 3.2616 3.0930 2.9304 2.6923 2.5167 2.3015 2.0897 1.7868 1.6064