수중 항만 콘크리트 구조물의 재료 물성치 평가를 위한 초음파기반 NDE 기술

Abstract

In this study, three kinds of nondestructive evaluation (NDE) techniques for the effectivemaintenance of underwater concrete structures are investigated: schmidt hammer-basedNDE, indirect ultrasonic waves-base NDE and impact echo method using noncontactair-coupled sensing system. Currently, lots of limitations to implement these techniques toreal-world structures are being considered.d using noncontactair-coupled sensing system. Currently, lots of limitations to implement these techniques toreal-world structures are being considered.