• Geotechnical Engineering
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• v.14 no.4
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• pp.163-176
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• 1998

To apply piezocone test to soil classification, several classification charts based on correlations between its results and basic characteristics of soils have been developed. However, it is necessary to investigate their applicability to Korean soil, since they were the results obtained from the limited number of foreign sites. In this study, 41 piezocone penetration bests for various sixtes spreading widely over Korean territory were carried out. Correlations between piezocone teat results and basic characteristics and the applicability of existing classification charts were investigated. Conclusively, new classification charts based, on Unified Soil Classification System were developed with a local confidence.