Liquefaction remediation in vertical drains with varying penetration depths

A. J. Brennan, S. P. G. Madabhushi

    Research output: Contribution to journalArticlepeer-review

    14 Citations (Scopus)

    Abstract

    Vertical drains have been used as remediation against earthquake-induced soil liquefaction for many years. These are seen to begin fluid dissipation from deeper deposits first. Drains are not necessarily installed to the full depth of the liquefiable layer. To determine the effect of this on the efficiency of drain systems, centrifuge test results are presented. It is seen that not installing all drains through the full liquefiable depth significantly retards their performance, due to the dominance of vertical dissipation. It will be shown that a standard design chart may over-predict an improvement in drain performance.
    Original languageEnglish
    Pages (from-to)469-475
    Number of pages7
    JournalSoil Dynamics and Earthquake Engineering
    Volume26
    Issue number5
    DOIs
    Publication statusPublished - 2006

    Keywords

    • Liquefaction
    • Liquefaction remediation
    • Vertical drains
    • Centrifuge

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