Geotechnical Engineering (한국지반공학회지:지반)

Korean Geotechnical Society (한국지반공학회)
권호 표지

Earth Pressuroes of Tieback Walls in Sand

사질토에 시공된 앵커토류벽의 토압분포에 관한 연구

  • 김낙경 (정회원, 성균관대학교 공과대학 토목공학과 전임)
  • Published : 1998.10.01
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Abstract

The design of a ground anchor wall calculating the design anchor force and anchored walls depends primarily on the earth pressure acting on anchored w deflection of the wall, the wall stiffness, distribution exists for anchored walls. In the apparent earth pressure envelope design of anchored walls. In this study, full scale anchored w pressure distribution was obtained from function. Earth pressures obtained from pressure and with the apparent earth pre the anchored wall in sand. It is conclude is appropriate for the anchored wall design.

사질토 지반에 시공된 앵커토류벽의 설 설계하중을 결정함으로서 토류벽의 설계에 있어 가장 기본적이고 필수적인 요소택에 있다. 앵커토류벽에 작용하는 토압분포는 배성, 흙의 아칭 효과 등에 따라 크게 변하 토류벽에 작용하는 토압분포의 가정은 크 한 직사각형 분포의 겉보기토압이 적용되 본 연구에서는 실물크기의 앵커토류 Function을 이용하여 토류벽에 작용하는 토압분포를 시공단계별로 산정하여 설계에 이용되는 토압 분포와 비교하였다. 또한 앵커 토류벽의 설계에 적용되는 Rankine 토압분포를 이용하는 Canadian Geotechnical Society 방법과 TerBaghi와 Peck이 제안한 겉보기토압을 이용한 설계방법을 현장시험 결과와 비교하여 분석하였다. 본 연구의 결론으로는 앵커 설계하중, 최대 휨모멘트의 산정 방법에 있어 30% 정도의 안전율을 고려할 때 Tereaghi 와 Peck 토압을 이용한 단순보 힌지법이 Rankine의 주동토압보다 적합하다는 사실을 입증하였다.

Keywords

References

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