Chapter
Apr 26, 2012
Application of Effective Cone Factor for Strength Characterization of Saturated Clays
Authors: Junhwan Lee junlee@ yonsei.ac.kr, Kyungbum Seo, Beongjoon Kang, Sunghwan Cho, and Changdong KimAuthor Affiliations
Publication: GeoFlorida 2010: Advances in Analysis, Modeling & Design
Abstract
The cone factor is commonly used to relate the CPT cone resistance to the undrained shear strength in saturated clays. Uncertain aspects however still exist, including the soil pressure correction procedure and the variability of the cone factor itself. The soil pressure correction procedure requires the in-situ soil unit weight, and thus requires the process of undisturbed soil sampling. In the present paper, a new cone factor is presented, which can reduce the uncertainties contained in the conventional cone factor approach. The proposed cone factor does not require the soil pressure correction procedure. As a result, the soil disturbance-related uncertainties can be minimized at higher cost effectiveness as no undisturbed sampling is needed. Experimental test results adopted in this investigation are presented and used to validate the proposed method.
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© 2010 American Society of Civil Engineers.
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Published online: Apr 26, 2012
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School of Civil and Environmental Engineering, Yonsei University, 134 Shinchon-dong, Seodaemun-gu, Seoul, Korea. E-mail: junlee@ yonsei.ac.kr
Kyungbum Seo
School of Civil and Environmental Engineering, Yonsei University, 134 Shinchon-dong, Seodaemun-gu, Seoul, Korea
Beongjoon Kang
School of Civil and Environmental Engineering, Yonsei University, 134 Shinchon-dong, Seodaemun-gu, Seoul, Korea
Sunghwan Cho
School of Civil and Environmental Engineering, Yonsei University, 134 Shinchon-dong, Seodaemun-gu, Seoul, Korea
Changdong Kim
EJTECH Co., Ltd., Kyunggi-Do, Korea.
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