Identification of Delamination Damages in Concrete Structures Using Impact Response of Delaminated Concrete Section
نویسندگان
چکیده
The deteriorating national infrastructures demand improved non-destructive evaluation (NDE) methods for detection of defects which reduce the integrity of the structures. Vibration resonance tests offer an efficient NDE method to identify and characterize shallow (near surface) delamination defects in reinforced concrete slabs In this study, we compare the capability to visualize near surface delamination defects in concrete slabs using two testing configurations : modal testing and impact-echo testing. The mode shape obtained from two testing configurations are used to visualize defects in the slab and compared. The effectiveness of air-coupled impact-echo testing configuration for defect visualization is discussed.
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