无锡浅埋岩溶发育特征及其与隧道安全距离研究

郭书兰, 阎长虹, 俞良晨, 闫超, 李慧, 徐源

Characteristics of shallow buried karst and its safety distance to tunnel in Wuxi city, Jiangsu province

Shulan Guo, Changhong Yan, Liangchen Yu, Chao Yan, Hui Li, Yuan Xu

图4 跨孔CT探测系统

Fig.4 Working flowcharts of the cross?hole seismic CT techniques