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J. Ocean Eng. Technol. 2007;21(5):25-32.    

Numerical Analysis of Piled-Raft Foundations Considering the Effects of Sand Cushion
Kim Nam-Ick,Seo Young-Kyo
Division of Ocean Development Engineering Korea Maritime University,Division of Ocean Development Engineering Korea Maritime University
샌드쿠션을 고려한 말뚝지지 전면기초의 수치해석
김남익,서영교
한국해양대학교 해양개발공학부,한국해양대학교 해양개발공학부
© 2007 The Korean Society of Ocean Engineers     Open access / Under a Creative Commons License
Keywords: Numerical analysis, Finite element, Piled-raft foundation, Foundation, Bearing capacity, Settlements
핵심용어: 수치해석, 유한요소, 말뚝지지 전면기초, 기초, 지지력, 침하량
Abstract
The piled-raft foundation, a new design concept, is one of the most effective kinds of foundation for reducing settlement of structures. An alternative piled-raft system with disconnection cap and a sand cushion between the pile and raft was also investigated to compare the influence of ultimate bearing capacity and settlement. Load-settlement relation curves were used to evaluate the ultimate bearing capacity. In the numerical analyses, a plane strain elasto-plastic finite element model (Mohr-Coulomb model) was used to present the response of the piled-raft foundation.


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