Influence of rebars on elastic-wave-based synthetic aperture focusing technique images for detecting voids in concrete structures

@inproceedings{Tong2014InfluenceOR,
  title={Influence of rebars on elastic-wave-based synthetic aperture focusing technique images for detecting voids in concrete structures},
  author={Jian-hua Tong and Chin-Lung Chiu and Chung-Yue Wang and Shu-Tao Liao},
  year={2014}
}
Abstract Using elastic-wave-based NDT methods to detect defects in RC structures is difficult because of the interference of rebars. In this study, the interference effect on the quality of SAFT images was quantitatively explored using a series of numerical simulations. Furthermore, two concrete specimens were fabricated for experimental verification. The experimental results exhibited strong agreement with those of quantitative analyses used in numerical simulations. These results indicated… CONTINUE READING

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