Proceedings of the Korean Geotechical Society Conference (한국지반공학회:학술대회논문집)

Korean Geotechnical Society (한국지반공학회)
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Evaluation of Sample Quality for Marine Clay by Large Block Samples

대형블럭시료를 이용한 해성점토 시료의 품질 평가

  • Kim, Jong-Kook (Geo-Team., Institution of Korea Construction Quality Test&Analysis) ;
  • Yoon, Won-Sub (Dept. of Civil Engineering, The University of Suwon) ;
  • Kim, Ji-Hee (Dept. of Civil Engineering, The University of Suwon) ;
  • Chae, Young-Soo (Dept. of Civil Engineering, The University of Suwon)
  • 김종국 (한국건설품질시험원 지반공학센타) ;
  • 윤원섭 (수원대학교 토목공학과) ;
  • 김지희 (수원대학교 토목공학과) ;
  • 채영수 (수원대학교 토목공학과)
  • Published : 2008.03.28
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Abstract

In this study, obtained large block sample and piston sample of marine clay in korea were performed unconfined compression and consolidation test. Soil properties of two type samples such as failure strain, between two parameter's ratio($E_{50}$ and $q_u$), and volumetric strain were used to evaluate sample disturbance. The result, large block samples show a low disturbance than piston samples. Therefore, we suggest new sample disturbance evaluated method through the relation of OCR and volumaric strain at shallow of marine clay in Korea and suggest new sample disturbance classified method by subdivided grade for failure strain of unconfined compression test.

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