Abstract
This paper is aimed to inspect the chapel’s overall structural system based on nondestructive testing (NDT), and a rebound hammer test and a ground-penetrating radar (GPR) system are employed to conduct a nondestructive testing. It is important before the chapel’s structural performance was assessed, the structure was inspected to investigate the current state and was constructed according to its original structural designs. According to the inspection, it is found the concrete compressive strength of all the components is larger than the original design strength. Moreover, the total numbers of the reinforcing bars of Slabs S1 and N1 are consistent with the number in the original design (246). However, the total numbers of the reinforcing bars of Slabs S2 and N2 are 167 and 174, respectively, whereas those of the original design were 150, indicating additional vertical reinforcing bars were applied in the chapel’s construction. Based on the results of inspection, the future structural performance assessment and retrofitting are expected to be set-up properly.
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