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Characteristics of Crushed Oyster-shell as a Substitute of Sand for Sand Compaction Pile  

윤길림 (한국해양연구원 연안항만공학연구본부)
윤여원 (인하대학교 환경토목공학과)
채광석 (한국해양연구원 연안항만공학연구본부)
권오순 (한국해양연구원 연안항만공학연구본부)
Publication Information
Journal of the Korean Geotechnical Society / v.19, no.5, 2003 , pp. 281-290 More about this Journal
Abstract
In order to investigate recycling possibility as a construction material of oyster-shells, the geotechnical characteristics including permeability, confined compression and shear strength of crushed oyster shell were quantitatively examined in terms of fineness modulus and relative density of crushed oyster-shell. Experimental results show that the crushed oyster-shells are lighter than sand in weight, and have similar characteristics on permeability and shear strength to sandy soils. The oyster-shell can be considered as highly crushable material but not much crushable with existing high loads. Based on the laboratory test results, it is highly fudged that the crushed oyster-shell can be a substitute of sand as SCP materials.
Keywords
Confined compression; Crushability; Oyster shell; Permeability; Shear strength;
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