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5 PCCP管道高密度地震映像剖面成果 a—15#排气阀井段剖面;b—19#排气阀井段剖面;c—21#排气阀井段剖面

Fig.5 Results of High-density Seismic Imaging at the PCCP a—test results of No.15 vent valve well section;b—test results of No.19 vent valve well section;c—test results of No.21 vent valve well section