Abstract

In this study, the surface wave spectral energy transmission method is proposed for the estimation of crack depth in concrete structures. A calibration curve between the crack depth and the spectral energy transmission ratio has been determined using experimental data on a concrete slab with varying crack depths. The effectiveness of the proposed curve is validated using additional experimental data collected on various concrete specimens with different compositions and different crack depths. The results show that the spectral energy transmission method has excellent potential as a practical and reliable in-situ nondestructive method for in-place crack depth estimation in concrete structures.

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