Assessment of Marine Clay Improvement Under Reclamation Fills by in-situ Testing Methods View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2006-04

AUTHORS

A. Arulrajah, H. Nikraz, M. W. Bo

ABSTRACT

In ground improvement projects with prefabricated vertical drains, the duration of the preloading period is set in advance based on the predetermined time rate of consolidation of the compressible layer. If prediction is accurately done, the required degree of consolidation is met at the pre-determined preloading time. As such, there is a requirement for in-situ tests to be carried out just prior to the removal of surcharge to assess the degree of consolidation of the improved ground. In-situ tests were carried out after 23 months of surcharge loading at the In-Situ Test Site within the Changi East Reclamation Project in the Republic of Singapore. In-situ testing works in this research study comprises the use of field vane shear, piezocone, flat dilatometer and self-boring pressuremeter. The in-situ tests were carried out to determine the shear strength and degree of consolidation of the Singapore marine clay at Changi after 23 months of surcharge loading. The In-Situ Test Site consisted of a Vertical Drain Area as well as an untreated Control Area. Both areas were located adjacent to each other and were surcharged simultaneously to the same level and surcharge left in place for a period of 23 months. Comparison was made between the in-situ test results of the Vertical Drain Area and the untreated Control Area. More... »

PAGES

219-226

References to SciGraph publications

  • 2005-04. In-situ testing of Singapore marine clay at Changi in GEOTECHNICAL AND GEOLOGICAL ENGINEERING
  • Journal

    TITLE

    Geotechnical and Geological Engineering

    ISSUE

    2

    VOLUME

    24

    Author Affiliations

    Identifiers

    URI

    http://scigraph.springernature.com/pub.10.1007/s10706-004-5076-5

    DOI

    http://dx.doi.org/10.1007/s10706-004-5076-5

    DIMENSIONS

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