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5 不同垮落体存在状态充水采空区的衰减电动势响应值

Table 5 Response values of attenuation electromotive force of water-filled goaf in different the existence status of collapsed bodies 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 全充水含垮落体 3.5917 3.5320 3.4377 3.3002 3.1049 2.9011 2.6377 2.3024 1.9881 充1/2水 3.4773 3.3705 3.2642 3.0884 2.8599 2.5970 2.2564 1.9737 1.7080 充1/2水含垮落体 3.4071 3.2613 3.0995 2.9220 2.7115 2.4262 2.1357 1.8610 1.6282