Influence of the Soil-Water Retention Curve Models on the Stability of Residuals Soils Slope

The study is focused on the investigation of effect the characterization of SWRC model and its effect on the slope stability on a simple infinite slope. The SWRC models were fitted to the laboratory test using mini tensiometer and filter paper. In particular, four unimodal SWRC models were evaluated...

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Main Author: Agus Setyo Muntohar
Format: Proceeding
Language: Bahasa Inggris
Published: Himpunan Ahli Teknik Tanah Indonesia 2015
Subjects:
Online Access: http://oaipmh-jogjalib.umy.ac.idkatalog.php?opo=lihatDetilKatalog&id=64451
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spelling oai:lib.umy.ac.id:644512021-06-16T13:08:08ZInfluence of the Soil-Water Retention Curve Models on the Stability of Residuals Soils SlopeAgus Setyo Muntoharrainfall, infiltration, soil water retention curve, slope stability, residual soilThe study is focused on the investigation of effect the characterization of SWRC model and its effect on the slope stability on a simple infinite slope. The SWRC models were fitted to the laboratory test using mini tensiometer and filter paper. In particular, four unimodal SWRC models were evaluated for comparison in this study, i.e. van Genuchten model (VG), modified van Genuchten model (MVG), Brooks- Corey model (BC), and Kosugi log-normal model (KLN). The slope stability analysis was conducted in terms of Factor of Safety (FS) by applying the infinite slope model incorporating infiltration model. The infiltration model was analyzed by Richard’s one-dimensional infiltration equation. The analysis resulted that The VG and KLN models produced lower estimation of safety factor than BC and MVG models. The distribution of pore water pressure varied with the SWRC models. Hence, different SWRC model contribute different FS values. The results indicate that the SWRC model shall be applied carefully since the model will have a different conclusion to the slope instability.Himpunan Ahli Teknik Tanah Indonesia2015Proceeding-Bahasa Inggrishttp://oaipmh-jogjalib.umy.ac.idkatalog.php?opo=lihatDetilKatalog&id=64451
institution Universitas Muhammadiyah Yogyakarta
collection Perpustakaan Yogyakarta
language Bahasa Inggris
topic rainfall, infiltration, soil water retention curve, slope stability, residual soil
spellingShingle rainfall, infiltration, soil water retention curve, slope stability, residual soil
Agus Setyo Muntohar
Influence of the Soil-Water Retention Curve Models on the Stability of Residuals Soils Slope
description The study is focused on the investigation of effect the characterization of SWRC model and its effect on the slope stability on a simple infinite slope. The SWRC models were fitted to the laboratory test using mini tensiometer and filter paper. In particular, four unimodal SWRC models were evaluated for comparison in this study, i.e. van Genuchten model (VG), modified van Genuchten model (MVG), Brooks- Corey model (BC), and Kosugi log-normal model (KLN). The slope stability analysis was conducted in terms of Factor of Safety (FS) by applying the infinite slope model incorporating infiltration model. The infiltration model was analyzed by Richard’s one-dimensional infiltration equation. The analysis resulted that The VG and KLN models produced lower estimation of safety factor than BC and MVG models. The distribution of pore water pressure varied with the SWRC models. Hence, different SWRC model contribute different FS values. The results indicate that the SWRC model shall be applied carefully since the model will have a different conclusion to the slope instability.
format Proceeding
author Agus Setyo Muntohar
author_sort Agus Setyo Muntohar
title Influence of the Soil-Water Retention Curve Models on the Stability of Residuals Soils Slope
title_short Influence of the Soil-Water Retention Curve Models on the Stability of Residuals Soils Slope
title_full Influence of the Soil-Water Retention Curve Models on the Stability of Residuals Soils Slope
title_fullStr Influence of the Soil-Water Retention Curve Models on the Stability of Residuals Soils Slope
title_full_unstemmed Influence of the Soil-Water Retention Curve Models on the Stability of Residuals Soils Slope
title_sort influence of the soil-water retention curve models on the stability of residuals soils slope
publisher Himpunan Ahli Teknik Tanah Indonesia
publishDate 2015
url http://oaipmh-jogjalib.umy.ac.idkatalog.php?opo=lihatDetilKatalog&id=64451
isbn -
_version_ 1702751163338719232
score 14.79448