An Experimental Study on the Inclined Earth Retaining Structure in Clay

Dong-Uk Jeong; Jong-Chul Im; Jae-Won Yoo; Min-Su Seo; Young-Mo Koo; Sung-Jin Kim

doi:10.7843/kgs.2013.29.6.63

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2013 Vol.29, Issue 6 Preview Page Next Page

An Experimental Study on the Inclined Earth Retaining Structure in Clay 점토지반내의 IER 지주식 흙막이의 실험적 고찰

30 June 2013. pp. 63-75

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Abstract

Inclined Earth Retaining Structure Method (IER Method), was developed in order to improve the mechanical properties of the existing earth retaining method. IER consists of two supports, which are front and back supports. In the IER method, back support is very effective for the reduction of the earth pressure acting on the front support. In this study, the effects of back support and fixing conditions of lower ends of supports are analysed by laboratory model tests in clay. The test results show that back support reduces the Leteral displacement of IER effectively, and according to the results the effect of interval and fixing condition of back support was analysed.

Keywords

Retaining wall

Inclined earth retaining structure method

Soft ground

Model test

Leteral wall displacement ratio

기존의 흙막이 공법의 문제점을 보완하고 개선하기 위해서 새로이 고안한 공법이 지주식 흙막이공법이다. 지주식 흙막이 공법은 전면지주와 배면지주를 사항으로 설치하여 일체화시킨 가시설 공법으로, 배면지주의 설치로 인해 전면지주에 작용하는 토압을 효과적으로 분산시켜 가시설의 구조적인 안정성을 증대시킨 공법이다. 본 연구에서는 점토 지반의 실내모형실험을 통해 배면지주의 설치 여부와 지주 하부의 고정 조건 등을 달리하여 지주식 흙막이 공법의 역학적 특성을 확인하였다. 실내모형실험결과 배면지주의 설치로 인해 IER 벽체의 수평변위가 효과적으로 감소하는 것으로 분석되었으며, 배면지주의 간격 및 고정 조건에 따른 효과가 분석되었다.

References

1.Kim, C. Y. (2006), Development of the Analyzing Method and the Designing Program for Earth Retaining Cantilever Walls using Stabilizing Pile, Unpublished master’s degree, Pusan National University, pp.33-42.

2.Kim, T. H. (2009), An Experimental Study on the Behavior of Earth Retaining Wall using self supported Stabilizing piles, Unpublished master´s degree, Pusan National University, pp.90-225.

3.Rankine, W.M.J. (1857), “On Stability on Loose Earth”, Philosophic Transactions of Royal Society, London, Part I, 9-27.

4.Seo, M. S., Im, J. C., Jeong, D. U., Yoo, J. W., Koo, Y. M., and Kim, G. H. (2012), “An Experimental Study on the Stability of Inclined Earth Retaining”, Journal of the Koeran Geotechnical Society, Vol.28, No.12, pp.99-110.

Information

Publisher :The Korean Geotechnical Society
Publisher(Ko) :한국지반공학회
Journal Title :Journal of the Korean Geotechnical Society
Journal Title(Ko) :한국지반공학회 논문집
Volume : 29
No :6
Pages :63-75
Received Date : 2013-04-25
Accepted Date : 2013-06-11
DOI :https://doi.org/10.7843/kgs.2013.29.6.63

Journal of the Korean Geotechnical Society ISSN:1229-2427(Print) 2288-646X(Online) 한국지반공학회 논문집

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