Vertical spectral tomography of concrete structures based on impact echo depth spectra

Liu, P.-L.P.-L.LiuPEI-LING LIU2020-04-282020-04-282010https://scholars.lib.ntu.edu.tw/handle/123456789/486769[SDGs]SDG11Vertical spectral tomography of concrete structures based on impact echo depth spectrajournal article10.1016/j.ndteint.2009.07.0052-s2.0-70349451575https://www.scopus.com/inward/record.uri?eid=2-s2.0-70349451575&doi=10.1016%2fj.ndteint.2009.07.005&partnerID=40&md5=ad9284b62f902a27801dbf4cf6e8fc04