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  • Geotechnical instrumentation monitoring of land reclamation projects on soft soil foundations

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    47207_1.pdf (397.7Kb)
    Author(s)
    Arulrajah, A.
    Bo, M.
    Nikraz, H.
    Balasubramaniam, Bala
    Griffith University Author(s)
    Balasubramaniam, Bala B.
    Year published
    2007
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    Abstract
    In land reclamation on soft soil formations, ground improvement works are often necessary to be carried out in order to negate future settlement under the projected dead and live loads. In the case of thick deposits of marine clay, it is necessary to accelerate the consolidation process. The use of prefabricated vertical drains with preloading option is a widely-used ground improvement method for such cases. In such ground improvement projects in soft soil, the degree of improvement attained by the marine clay has to be ascertained to confirm whether the soil has achieved the required degree of consolidation to enable ...
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    In land reclamation on soft soil formations, ground improvement works are often necessary to be carried out in order to negate future settlement under the projected dead and live loads. In the case of thick deposits of marine clay, it is necessary to accelerate the consolidation process. The use of prefabricated vertical drains with preloading option is a widely-used ground improvement method for such cases. In such ground improvement projects in soft soil, the degree of improvement attained by the marine clay has to be ascertained to confirm whether the soil has achieved the required degree of consolidation to enable surcharge removal. This analysis can be carried out by means of observational methods for which continuous records of ground behavior can be monitored from the date of instrument installation. Field instruments are used to verify the performance of the soil improvement works and to ensure that the specified degree of consolidation due to the sandfill and surcharge loading had been achieved prior to the removal of the surcharge. This paper provides a comparison of the assessment of degree of consolidation by various methods at a case study area at the Changi East Reclamation project in the Republic of Singapore.
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    Conference Title
    Proceedings of the 10th Australia New Zealand Conference on Geomechanics
    Publisher URI
    http://www.australiangeomechanics.org/
    Copyright Statement
    © 2007 AGS. The attached file is reproduced here in accordance with the copyright policy of the publisher. Use hypertext link for access to publisher's website.
    Publication URI
    http://hdl.handle.net/10072/17086
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    • Conference outputs

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