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The performance of a prefaricated vertical drain trial embankment

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Main Author: Chin, Chong, Ir.
Other Authors: cchin25@gmail.com
Format: Article
Language:English
Published: The Institution of Engineers, Malaysia (IEM) 2012
Subjects:
Compression Index
Lateral deformation
Prefabricated vertical drain (PVD)
Primary consolidation
Smeared effects
Trial embarkment
Online Access:http://dspace.unimap.edu.my/xmlui/handle/123456789/18568
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spelling my.unimap-185682012-03-28T04:09:14Z The performance of a prefaricated vertical drain trial embankment Chin, Chong, Ir. cchin25@gmail.com Compression Index Lateral deformation Prefabricated vertical drain (PVD) Primary consolidation Smeared effects Trial embarkment Link to publisher's homepage at http://www.myiem.org.my/ Two fuel scale trial embankments were constructed to a height of 3.65 m over the soft marine clay at Juru, Butterworth, Pulai Pinang. One of the embankments was improved using prefabricated vertical drain (PVD), and the the one without treatment was a control embankment. Monitoring instruments such as hydrostatics profile gauges, settlement gauges, inclinometers and piezometers were installed in the subsoil to observe the deformation behavior of the embankments under loadings. The hyperbolic and the Asaoka's methods were used to predict the total primary consolidation settlement. The embankment with PVD helped to accelarate the consolidation settlement as compared to the control embankment. it can be seen from the back analysis that the performance of the vertical drains is well predicted with smear effect taken into consideration using Kl/Ks=10, s=2.5 and Ch=4.5m2/year. In addition insitu vane shear strength, the compression ratio (CR) and preconsolidation pressures of the subsoil after treatment with PVD had improved substantially. The hyperbolic equation was also used to predict ultimate lateral deformation for both the treated and control embankments. The "R" squares of the linear regression showed reasonable linearity between t/d versus t where t is time and d is the lateral deformation. 2012-03-28T04:09:14Z 2012-03-28T04:09:14Z 2011-09 Article The Journal of the Institution of Engineers, Malaysia, vol. 72(3), 2011, pages 1-11 0126-513X http://www.myiem.org.my/content/iem_journal_2011-306.aspx http://hdl.handle.net/123456789/18568 en The Institution of Engineers, Malaysia (IEM)
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 Compression Index
Lateral deformation
Prefabricated vertical drain (PVD)
Primary consolidation
Smeared effects
Trial embarkment
spellingShingle Compression Index
Lateral deformation
Prefabricated vertical drain (PVD)
Primary consolidation
Smeared effects
Trial embarkment
Chin, Chong, Ir.
The performance of a prefaricated vertical drain trial embankment
description Link to publisher's homepage at http://www.myiem.org.my/
author2 cchin25@gmail.com
author_facet cchin25@gmail.com
Chin, Chong, Ir.
format Article
author Chin, Chong, Ir.
author_sort Chin, Chong, Ir.
title The performance of a prefaricated vertical drain trial embankment
title_short The performance of a prefaricated vertical drain trial embankment
title_full The performance of a prefaricated vertical drain trial embankment
title_fullStr The performance of a prefaricated vertical drain trial embankment
title_full_unstemmed The performance of a prefaricated vertical drain trial embankment
title_sort performance of a prefaricated vertical drain trial embankment
publisher The Institution of Engineers, Malaysia (IEM)
publishDate 2012
url http://dspace.unimap.edu.my/xmlui/handle/123456789/18568
_version_ 1643792491795709952
score 13.222552

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