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    Mix Design of Cementitious Basecourse

    168856_42267_63702.pdf (319.3Kb)
    Access Status
    Open access
    Authors
    Yeo, Yang sheng
    Jitsangiam, Peerapong
    Nikraz, Hamid
    Date
    2011
    Type
    Conference Paper
    
    Metadata
    Show full item record
    Citation
    Yeo, Yang sheng and Jitsangiam, Peerapong and Nikraz, Hamid. 2011. Mix Design of Cementitious Basecourse, in Shahin, M. and Nikraz, H. (ed), International Conference on Advances in Geotechnical Engineering (ICAGE 2011), Nov 7-9 2011, pp. 379-385. Perth, W.A: Curtin University, Department of Civil Engineering.
    Source Title
    Proceedings of the International Conference on Advances in Geotechnical Engineering
    Source Conference
    International Conference on Advances in Geotechnical Engineering (ICAGE 2011)
    ISBN
    978-0-646-55142-5
    School
    Department of Civil Engineering
    URI
    http://hdl.handle.net/20.500.11937/21791
    Collection
    • Curtin Research Publications
    Abstract

    Selecting stabilisation mix designs for basecourse materials to provide adequate resistance against damage under traffic and environmental loading is important in maximizing the life of a pavement. Cement stabilised pavements are unique materials that they exist at the border between structural soil and conventional concrete. The pavement layer are typically roller-compacted and thus require sufficient water content to achieve compaction but at the same time also requires water sufficient for cement hydration and workability with a grader. A literature review combined with simple tests are undertaken to determine fit for purpose design mix, i.e. a compaction test to ascertain the optimum moisture content (OMC) and maximum modified dry density (MMDD) and unconfined compressive strength (UCS) test. The tests showed that the MMDD for the material at various cement content are a constant, and a fit for purpose design chart can be developed based on the water and cement content. The OMC for compaction of cement treated basecourse is the OMC of the parent material + 0.25% for every 1% in cement content. This relationship between water content and cement content runs parallel to the minimum water required for effective hydration to take place, i.e. a w/c ratio of 0.25.

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