可控源音频大地电磁法电阻率与阻抗相位双参数综合判定煤矿双层采空区

秦长春, 牛峥, 李婧

Determining double-layer goafs in coal mines using CSAMT-derived apparent resistivity and impedance phase

QIN Chang-Chun, NIU Zheng, LI Jing

图4 测线布设及钻孔位置

Fig.4 Layout of survey line and drilling location