Embankment reinforced with limited life geotextiles on soft clay

© 2015, Thomas Telford Services Ltd. All rights reserved. This paper focuses on the behaviour of a full-scale test embankment with silty sand backfill on soft ground reinforced with kenaf limited life geotextiles (LLGs). Slide 5.0 software is used to analyse the stability of the embankment with kena...

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Main Authors: Artidteang S., Bergado D., Chaiyaput S., Tanchaisawat T.
Format: Article
Published: ICE Publishing Ltd. 2015
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Online Access:http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84929222836&origin=inward
http://cmuir.cmu.ac.th/handle/6653943832/39126
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Institution: Chiang Mai University
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spelling th-cmuir.6653943832-391262015-06-16T08:01:41Z Embankment reinforced with limited life geotextiles on soft clay Artidteang S. Bergado D. Chaiyaput S. Tanchaisawat T. Geotechnical Engineering and Engineering Geology Soil Science Building and Construction Mechanics of Materials © 2015, Thomas Telford Services Ltd. All rights reserved. This paper focuses on the behaviour of a full-scale test embankment with silty sand backfill on soft ground reinforced with kenaf limited life geotextiles (LLGs). Slide 5.0 software is used to analyse the stability of the embankment with kenaf LLGs and indicates a higher factor of safety than without kenaf LLGs. Surface settlements, subsurface settlements, excess pore water pressures and deformations of kenaf LLGs reinforcement are monitored and predicted. The predicted settlements agree well with measured values in the field but are overestimated by the Terzaghi onedimensional consolidation method, as expected. There is close agreement between the measured and predicted settlements by Asaoka’s method, as well as the predicted pore pressures using Skempton–Bjerrum predictions. Deformations are observed for LLG reinforcements which mobilised reinforcement tension up to 20 kN/m following the settlement pattern. After construction, the rates of settlement increase up to 250 days owing to the dissipation of excess pore water pressures. The time to 90% degree of consolidation (t<inf>90</inf>) is 250 days, which is less than the estimated life of kenaf LLGs. Based on the performance of the test embankments, kenaf LLGs can be used for soil reinforcement on soft clay for short-term applications. 2015-06-16T08:01:41Z 2015-06-16T08:01:41Z 2015-01-01 Article 17550750 2-s2.0-84929222836 10.1680/grim.13.00014 http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84929222836&origin=inward http://cmuir.cmu.ac.th/handle/6653943832/39126 ICE Publishing Ltd.
institution Chiang Mai University
building Chiang Mai University Library
country Thailand
collection CMU Intellectual Repository
topic Geotechnical Engineering and Engineering Geology
Soil Science
Building and Construction
Mechanics of Materials
spellingShingle Geotechnical Engineering and Engineering Geology
Soil Science
Building and Construction
Mechanics of Materials
Artidteang S.
Bergado D.
Chaiyaput S.
Tanchaisawat T.
Embankment reinforced with limited life geotextiles on soft clay
description © 2015, Thomas Telford Services Ltd. All rights reserved. This paper focuses on the behaviour of a full-scale test embankment with silty sand backfill on soft ground reinforced with kenaf limited life geotextiles (LLGs). Slide 5.0 software is used to analyse the stability of the embankment with kenaf LLGs and indicates a higher factor of safety than without kenaf LLGs. Surface settlements, subsurface settlements, excess pore water pressures and deformations of kenaf LLGs reinforcement are monitored and predicted. The predicted settlements agree well with measured values in the field but are overestimated by the Terzaghi onedimensional consolidation method, as expected. There is close agreement between the measured and predicted settlements by Asaoka’s method, as well as the predicted pore pressures using Skempton–Bjerrum predictions. Deformations are observed for LLG reinforcements which mobilised reinforcement tension up to 20 kN/m following the settlement pattern. After construction, the rates of settlement increase up to 250 days owing to the dissipation of excess pore water pressures. The time to 90% degree of consolidation (t<inf>90</inf>) is 250 days, which is less than the estimated life of kenaf LLGs. Based on the performance of the test embankments, kenaf LLGs can be used for soil reinforcement on soft clay for short-term applications.
format Article
author Artidteang S.
Bergado D.
Chaiyaput S.
Tanchaisawat T.
author_facet Artidteang S.
Bergado D.
Chaiyaput S.
Tanchaisawat T.
author_sort Artidteang S.
title Embankment reinforced with limited life geotextiles on soft clay
title_short Embankment reinforced with limited life geotextiles on soft clay
title_full Embankment reinforced with limited life geotextiles on soft clay
title_fullStr Embankment reinforced with limited life geotextiles on soft clay
title_full_unstemmed Embankment reinforced with limited life geotextiles on soft clay
title_sort embankment reinforced with limited life geotextiles on soft clay
publisher ICE Publishing Ltd.
publishDate 2015
url http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84929222836&origin=inward
http://cmuir.cmu.ac.th/handle/6653943832/39126
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