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

한국지반공학회 (Korean Geotechnical Society)
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앵커보강사면에서 안정해석시 하중전이의 영향

Influence of load transfer on anchored slope stability

  • 김성규 ((주)삼우G&C 기술부) ;
  • 박종식 (한국건설기술연구원 국토지반연구부) ;
  • 김낙경 (성균관대학교 건설환경시스템공학과) ;
  • 주용선 (성균관대학교 건설환경시스템공학과) ;
  • 김태훈 ((주)대우건설기술연구소)
  • Kim, Sung-Kyu (Technical Support, Samwoo Ground Engineering & Consulting Co, Ltd.) ;
  • Park, Jong-Sik (Geothech. Engrg. Research Dept, Korea Institute of Construction Technology) ;
  • Kim, Nak-Kyung (Dept. of Civil, Architectural & Environmental. System Eng,, Sungkyunkwan Univ.) ;
  • Joo, Yong-Sun (Dept. of Civil, Architectural & Environmental. System Eng,, Sungkyunkwan Univ.) ;
  • Kim, Tae-Hoon (Daewoo Institute of Construction Technology, Daewoo E&C Co, Ltd.)
  • 발행 : 2008.03.28
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초록

This paper presents how the load transfer mechanism of the ground anchor affects on the stability analysis of anchored slope. The finite element analysis and the conventional limit equilibrium analysis on the anchored slope were performed and compared. The limit equilibrium analysis of the anchored slope is quite open used in design practice due to the easiness of the analysis. However, the load transfer mechanism is not considered properly for the analysis. When the failure surface passes through the bonded length of an anchor, the anchor load is disregarded and the factor of safety for the anchored slope is smaller than it should be. In this study, the load transfer distribution was incorporated into the limit equilibrium stability analysis of the anchored slope and the results were compared with the results of finite element analysis.

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