Characteristics of intermediate soil with low plasticity from Incheon, Korea

Wonjin Baek, Juhyun Kim, Hiroshi Matsuda, Ryohei Ishikura, Koouho Hwang

研究成果: Contribution to journalArticle査読

2 被引用数 (Scopus)


In this study, a series of laboratory and in-situ tests were carried out to evaluate the undrained strength of intermediate soil at a new port site in Incheon, South Korea. The Unconfined Compression (UC) test was examined in order to determine its applicability for the measurement of the undrained strength of this soil. The experimental test results and literature research were used to discuss the appropriate methods to evaluate the design parameters of low Ip (Plasticity Index) soils. The strength incremental ratio (su/P'c) is one of the most important factors to evaluate the appropriate time of staged embankment loading in the design of soft ground improvements. In Korea, Skempton’s equation has been widely used to evaluate the strength of the incremental ratio. Therefore, the field applicability of this equation to intermediate soils with low plasticity was evaluated by comparing the results against laboratory test results. Additionally, the drainage characteristics of the new port site in Incheon were estimated by using the Piezocone Penetration Test (CPTU) results to determine whether this ground was under fully undrained or partially drained conditions. Finally, the definition of intermediate soil was discussed according to the strength and consolidation characteristics as well as the physical properties.

ジャーナルInternational Journal of Offshore and Polar Engineering
出版ステータス出版済み - 11 1 2014

All Science Journal Classification (ASJC) codes

  • 土木構造工学
  • 海洋工学
  • 機械工学


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