Reflection method of guided ultrasonic waves induced by hammer impact for integrity evaluation of rock bolts in field

제목
Reflection method of guided ultrasonic waves induced by hammer impact for integrity evaluation of rock bolts in field
저자
LEE, Jong-Sub
학회명
Proceedings ITA-AITES World Tunnel Congress 2009
개최국가
헝가리
학회 개최일
2009-05-23 ~ 2009-05-28