Polymer systems for fluid supported excavations

Carlos Lam, Stephan Jefferis, Viv Troughton

    Research output: Chapter in Book/Conference proceedingChapter

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    Abstract

    Excavation support fluids are used in a wide variety of civil engineering operations including piling, diaphragm walling, slurry tunnelling, horizontal directional drilling, oil and water well drilling, drilling site investigation boreholes and the formation of cut-off walls and drainage walls. In each of these applications the role of the fluid is to keep the hole open until a permanent element (concrete, lining etc) is installed. This paper will focus on the use of polymer excavation fluids for piling though polymers can and have been used in all the applications cited except for low permeability cut-off walls, which remain an area of need and opportunity.
    Original languageEnglish
    Title of host publicationGeotechnical issues in construction
    Subtitle of host publicationshort paper series and 2nd conference held on 2 November 2009, at CIRIA, London
    Place of PublicationLondon, UK
    PublisherConstruction Industry Research and Information Association
    Pages7-12
    ISBN (Print)978-0-86017-923-8
    Publication statusPublished - 2011

    Keywords

    • Polymer support fluids
    • Excavation

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