지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국지반공학회 International Journal of Geo-Engineering International Journal of Geo-Engineering 제4권 제3호
- 발행연도
- 2012.9
- 수록면
- 5 - 17 (13page)
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초록· 키워드
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This paper discusses the effects of tapered pile penetration in sandy soils after having obtained evidence of its merits over straight-sided cylindrical piles in evaluating skin friction. Experimental model tests confirmed that a slight increase in the angle of tapering also led to a major increase in skin friction. Based on this evidence, the authors adopted an analytical solution to evaluate the skin friction of tapered piles, The cylindrical cavity expansion theory is an appropriate analytical closed-form solution in determining the skin friction of tapered piles at different phases of soils at different relative densities, A new arrangement was inserted by introducing a stress-dilatancy relationship in the ideal elastic-plastic model of cavity expansion application, n general. for easy computation, he angle of internal friction or dilatancy angle is assumed to he constant to compute the skin friction. This drawback was improved upon and both properties considered in evaluating skin friction at each depth iteratively. This paper assesses the results of paranietric studies on different types of model tests, prototype tests and real type pile tests in order to predict the proposed model. The proposed extended model validates the determination of skin friction using a stress-dilatancy relationship.
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UCI(KEPA) : I410-ECN-0101-2020-531-000200520