학위논문(박사) - 한국과학기술원 : 건설및환경공학과, 2008. 8., [ [vi], 161 p. ]
nondestructive testing; ultrasonic wave; surface wave; concrete; crack; 비파괴검사; 초음파; 표면파; 콘크리트; 균열; nondestructive testing; ultrasonic wave; surface wave; concrete; crack; 비파괴검사; 초음파; 표면파; 콘크리트; 균열
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