Japanese Geotechnical Society Special Publication
Online ISSN : 2188-8027
ISSN-L : 2188-8027
7th Asia-Pacific Conference on Unsaturated Soils (AP-UNSAT2019)
Numerical analysis on the stability of highway embankment reinforced with spiral bladed drain pipe reinforcements
Kiyonobu KasamaYasutaka ItoZentaro FurukawaTomohiro HamasakiKenji Matsuka
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2019 Volume 7 Issue 2 Pages 565-568

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Abstract

The purpose of this paper is to develop a new earth reinforcement technology called "The SDPR method" having both functions of a single earth reinforcement to increases the embankment strength and a drainage pipe to lower a ground water level in embankment at the same time. This paper summarizes the effectiveness of the SDPR method by means of unsaturated-saturated seepage analysis and slope stability analysis in terms of the drainage effect, reinforcement effect and unsaturation effect of SDPRs.

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