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안은종 ( Ahn Eun Jong ),신명수 ( Shin Myoung Su ) 한국구조물진단유지관리공학회 2018 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.22 No.1
This paper presents the surface-wave based non-destructive evaluation on crack repairing performance in concrete. Concrete specimens with different crack depths and identical compositions were prepared for surface wave transmission experiments. Cracked concrete specimens were perfectly repaired through epoxy injections, and recovery of transmission coefficients and spectral energy were confirmed in process of crack repairing. Additionally, the effectiveness and feasibility of spectral energy based assessment techniques for the evaluation of crack in concrete is also investigated.