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

Korean Geotechnical Society (한국지반공학회)
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3D numerical simulation of group-pile foundation subjected to horizontal cyclic loading

3차원 수치해석을 이용한 군말뚝기초의 반복수평하중재하실험에 대한 연구

  • Jin, Youngji-Ji (Geotechnical Engineering & Tunnelling Research Division, Korea Institute of Construction Technology) ;
  • Kim, Jin-Man (Geotechnical Engineering & Tunnelling Research Division, Korea Institute of Construction Technology) ;
  • Choi, Bong-Hyuck (Geotechnical Engineering & Tunnelling Research Division, Korea Institute of Construction Technology) ;
  • Lee, Dea-Young (Geotechnical Engineering & Tunnelling Research Division, Korea Institute of Construction Technology)
  • 진영지 (한국건설기술연구원 지반연구실) ;
  • 김진만 (한국건설기술연구원 지반연구실) ;
  • 최봉혁 (한국건설기술연구원 지반연구실) ;
  • 이대영 (한국건설기술연구원 지반연구실)
  • Published : 2010.09.09
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Abstract

Horizontal forces may form a major part of the loading system for structures supported on pile groups. It is known that during a strong earthquake, the dynamic behavior of a group-pile foundation is related not only to the inertial force coming from the superstructures but also to the deformation of the surrounding ground. Therefore, it is necessary to understand the behaviors of the group-pile foundations and superstructures during major earthquakes. In this paper, numerical simulation of real-scale group-pile foundation subjected to horizontal cyclic loading is conducted by using a program named as DBLEAVES. In the analysis, nonlinear behaviors of ground and piles are described by cyclic mobility model and axial force dependent model (AFD model). The purpose of this paper is to prove availability of the analysis method by comparing numerical results and test results.

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