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
表2 数值模拟工况
Table 2 Conditions considered in numerical simulation
溶洞直径(长轴,m)充填类型隧道底部⁃溶洞顶部的距离D (m)

12

8(上部溶洞)/6(下部溶洞)

8

4

含砾石粉质黏土全充填

淤泥质粉质黏土全充填

半充填淤泥质粉质黏土

空洞

1/3/5/7/9/11/13

1/3/5/7/9/11/13

1/3/5/7/9/11/13

1/3/5/7/9/11/13