千岛湖配水工程隧洞超前预报中的综合物探技术

李俊杰, 徐庆强, 李剑强, 何建设, 郭佳豪

The application of geophysical prospecting technology to tunnel advance prediction in Thousand-island Lake water distribution project

Jun-Jie LI, Qing-Qiang XU, Jian-Qiang LI, Jian-She HE, Jia-Hao GUO

表1 千岛湖配水工程常见岩性TSP成果统计

Table 1 Statistical results of TSP for common lithologic of Thousand Island Lake water transfer project

岩性 围岩 类别 纵波波速 /(m·s-1) 横波波速 /(m·s-1) 密度 /(g·cm-3) 杨氏模量 /GPa 泥质粉砂岩 Ⅳ~Ⅲ2 3699~4912 2081~2755 2.32~2.63 12~34 灰岩 Ⅲ1~Ⅱ 5200~6200 3100~3600 2.76~3.00 56~90