基于高密度电法的城市复杂环境岩溶探查研究——以贵港市北环新村为例

覃剑文, 姜晓腾, 谢贵城, 孙汉武, 何流, 孙怀凤

Karst exploration in urban complex environments based on electrical resistivity tomography: A case study of Beihuan New Village in Guigang City

QIN Jian-Wen, JIANG Xiao-Teng, XIE Gui-Cheng, SUN Han-Wu, HE Liu, SUN Huai-Feng

表1 岩体与电阻率分布关系

Table 1 Correspondence between rock and resistivity values

岩性 电阻率 范围/(Ω·m) 岩性 电阻率 范围/(Ω·m) 灰岩 500~10 000 溶洞(空洞) >10 000 白云岩 300~10 000 溶洞(泥质充填) <30 黏土 30~100 地下水 50~150 溶洞(充水) <50 空气 >10 000