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Shear strength due to unsaturated conditions for vacuum consolidation works

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Main Authors: Fauziah, Kasim, Lim, Sern Wang, Faisal, Ali
Format: Article
Language:English
Published: The Institution of Engineers, Malaysia 2011
Subjects:
Vacuum consolidation
Shear strength
Soil suction
Slope stability
Vacuum pressures
Online Access:http://dspace.unimap.edu.my/xmlui/handle/123456789/13865
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spelling my.unimap-138652011-09-20T04:29:28Z Shear strength due to unsaturated conditions for vacuum consolidation works Fauziah, Kasim Lim, Sern Wang Faisal, Ali Vacuum consolidation Shear strength Soil suction Slope stability Vacuum pressures Link to publisher’s homepage at http://www.myiem.org.my/ Vacuum Consolidation is a soil improvement technique that applies vacuum pressure to the soil which will create a negative pore-water pressure that will produce suction in the soil mass. The suction will then cause change in volume, increase in density, increase of shear strength and stability to the soil mass of the treated area. The objectives of this project were to study the effects of suction pressures on shear strength of soils and to propose ranges of suction pressure for vacuum consolidation works in Malaysia. SoilVision Version 1.0 software was used to analyse sixteen (16) soil samples by predicting their soil-water characteristic curves (SWCC) and shear strength curves based on the particle-size data. The results of the particle-size distribution curves, the soil-water characteristic curves and the variation of shear strength with soil suctions are presented. The results show that the rate and the total increment of shear strength with respect to the soil suction are influenced by the air-entry value (AEV) and the value of effective angle of friction (F’), respectively. As for the case study of Deep Water Port Project in Sarawak, the results show that the increment of shear strength with respect to suction contributes about 23.9% to 29.2% of the total increment of the shear strength; the rest comes from the effect of the consolidation of the soil layers. The ranges of vacuum pressures with respect to the desired shear strength for soils of various effective angles of friction are also proposed for vacuum consolidation works. 2011-09-20T04:29:28Z 2011-09-20T04:29:28Z 2006-12 Article p.30, 32, 34, 36 0126-9909 http://www.myiem.org.my/content/iem_bulletin_2004_2007-163.aspx http://hdl.handle.net/123456789/13865 en Jurutera 2006 (12) The Institution of Engineers, Malaysia
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Vacuum consolidation
Shear strength
Soil suction
Slope stability
Vacuum pressures
spellingShingle Vacuum consolidation
Shear strength
Soil suction
Slope stability
Vacuum pressures
Fauziah, Kasim
Lim, Sern Wang
Faisal, Ali
Shear strength due to unsaturated conditions for vacuum consolidation works
description Link to publisher’s homepage at http://www.myiem.org.my/
format Article
author Fauziah, Kasim
Lim, Sern Wang
Faisal, Ali
author_facet Fauziah, Kasim
Lim, Sern Wang
Faisal, Ali
author_sort Fauziah, Kasim
title Shear strength due to unsaturated conditions for vacuum consolidation works
title_short Shear strength due to unsaturated conditions for vacuum consolidation works
title_full Shear strength due to unsaturated conditions for vacuum consolidation works
title_fullStr Shear strength due to unsaturated conditions for vacuum consolidation works
title_full_unstemmed Shear strength due to unsaturated conditions for vacuum consolidation works
title_sort shear strength due to unsaturated conditions for vacuum consolidation works
publisher The Institution of Engineers, Malaysia
publishDate 2011
url http://dspace.unimap.edu.my/xmlui/handle/123456789/13865
_version_ 1643791100021833728
score 13.222552

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