Abstract

Several charts have been proposed so far for soil classification using either cone penetration test (CPT) or CPT with pore pressure measurement (CPTU) data. In the present paper, a soil classification method has been proposed based on the fuzzy theoretical method using CPTU data. The proposed method has been applied at different field sites where a soil boring was carried out at an adjacent site in order to obtain data on the soil profile. Reasonable agreement was observed between the boring soil profile and the soil profile estimated from the proposed method. It has also been shown that the proposed method is applicable to reasonably estimate a very thin sand layer overlying a soft clay stratum.

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