Rock bolt integrity evaluation in tunnelling using ultrasonic NDT techniques

제목
Rock bolt integrity evaluation in tunnelling using ultrasonic NDT techniques
저자
LEE, Jong-Sub
학회명
Proceedings of the 33rd ITA-AITES Worlf Tunnel Congress
개최지
Prague, Czech
개최국가
체코
학회 개최일
2007-05-05 ~ 2007-05-10