The undrained inclined load capacity of shallow foundations after consolidation under vertical loads

    Research output: Chapter in Book/Conference paperConference paper

    27 Citations (Scopus)

    Abstract

    The effect of pre-loading a surface foundation is examined using finite element analysis. A given vertical load is applied to the foundation before the resulting undrained failure locus is calculated. It is seen that the application of vertical dead weight loading while allowing consolidation significantly increases the capacity of a foundation under combined vertical and horizontal undrained loading. The shape of the resulting failure loci are examined and it is noted that it is the horizontal capacity that is increased most significantly. Finally, simple design methods are presented to predict the increase in the size of the failure locus from pre-loading with differing vertical loads and consolidation times. Allowance of the resulting gradual strength gain of a foundation with time after installation may allow less conservative foundation design.

    Original languageEnglish
    Title of host publicationNumerical Models in Geomechanics - 8th Proceedings of the International Symposium on Numerical Models in Geomechanics, NUMOG 2002
    PublisherCRC Press/Balkema
    Pages431-437
    Number of pages7
    ISBN (Print)9789058093592
    Publication statusPublished - 1 Jan 2002
    Event8th International Symposium on Numerical Models in Geomechanics, NUMOG 2002 - Rome, Italy
    Duration: 10 Apr 200212 Apr 2002

    Conference

    Conference8th International Symposium on Numerical Models in Geomechanics, NUMOG 2002
    CountryItaly
    CityRome
    Period10/04/0212/04/02

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