The Ultimate Pile Bearing Capacity from Conventional and Spectral Analysis of Surface Wave (SASW) MeasurementsNor Faizah Bawadi, Shamilah Anuar, Mustaqqim A.Rahim and A.Faizal MansorE3S Web Conf., 34 (2018) 01031DOI: https://doi.org/10.1051/e3sconf/20183401031