浅层地震技术在南水北调中线工程PCCP管道缺陷探测中的应用 |
马国凯, 魏定勇, 刘爱友, 林万顺 |
Application of shallow seismic exploration technique in defect detection of PCCP used in the middle route of the South-to-North Water Transfer Project |
MA Guo-Kai, WEI Ding-Yong, LIU Ai-You, LIN Wan-Shun |
图3 周口河工区研究性试验工况实景 a—试验区开挖位置工况;b—试验区工况全景 |
Fig.3 Working conditions of Zhoukouhe production test a—working condition of excavation position in test area;b—panoramic view of working condition in test area |