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Influencing Factors for the Estimation of Undrained Shear Strength by Flat DMT  

변위용 (한국과학기술원 건설 및 환경공학과)
김영상 (국립여수대학교 해양시스템학부)
이승래 (한국과학기술원 건설 및 환경공학과)
Publication Information
Journal of the Korean Geotechnical Society / v.20, no.4, 2004 , pp. 103-113 More about this Journal
Abstract
The flat dilatometer test(DMT) is a useful geotechnical tool for estimating in-situ properties of various types of ground materials and the application of flat DMT is increasing. The existing relationships which are used to estimate the design parameters of soft deposit depend on the regional geotechnical characteristics and then it is necessary to investigate the applicability of the flat dilatometer in Korea. In this paper, the flat DMT has been conducted in soft marine deposits. The results estimated by existing relationships and those obtained from laboratory tests were compared. Based on the results, some factors influencing the relationships were examined and adjustment of empirical expression was performed.
Keywords
Flat dilatometer test(DMT); Overconsolidation ratio(OCR); Soft clay; Unit weight; Undrained shear strength;
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