等值反磁通瞬变电磁法在城市地质调查中的应用

何胜, 王万平, 董高峰, 南秀加, 魏丰丰, 白勇勇

Application of the opposing-coils transient electromagnetic method in urban geological surveys

HE Sheng, WANG Wan-Ping, DONG Gao-Feng, NAN Xiu-Jia, WEI Feng-Feng, BAI Yong-Yong

表1 研究区地层电物性统计

Table 1 Statistical of formation electrical and physical properties in the study area

序号 地层 岩性 电阻率/ (Ω·m) 常见值/ (Ω·m) 1 Q 黄土状土 45~90 55 2 卵石、碎石 80~260 150 3 N 泥岩 5~90 15 4 砂岩 80~150 110