多激励源瞬变电磁探测方法在煤矿采空区的应用

孙海川, 王文忠, 李治中, 刘永亮

Application of the multi-excitation source transient electromagnetic method in the coal mine goaves

SUN Hai-Chuan, WANG Wen-Zhong, LI Zhi-Zhong, LIU Yong-Liang

图7 采空区塌陷垂直“三带”示意

Fig.7 Sketch map of vertical “three zones”for collapse of mined-out area