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    Mechanical properties of mortar with oil contaminated sand

    Access Status
    Fulltext not available
    Authors
    Abousnina, Rajab
    Manalo, Allan
    Lokuge, Weena
    Date
    2015
    Type
    Conference Paper
    
    Metadata
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    Citation
    Abousnina, Rajab M. and Manalo, Allan and Lokuge, Weena (2015) Mechanical properties of mortar with oil contaminated sand. In: 27th Biennial National Conference of the Concrete Institute of Australia (Concrete 2015) in conjunction with the 69th RILEM Week: Construction Innovations, Research into Practice, 30 Aug - 2 Sept 2015, Melbourne, Australia.
    Source Conference
    27th Biennial National Conference of the Concrete Institute of Australia (Concrete 2015) in conjunction with the 69th RILEM Week: Construction Innovations, Research into Practice
    Faculty
    Faculty of Science and Engineering
    School
    Science and Engineering Technical
    URI
    http://hdl.handle.net/20.500.11937/89408
    Collection
    • Curtin Research Publications
    Abstract

    The use of oil-contaminated sand in construction is now being considered as an alternative and cost effective remediation method to minimize its adverse effect in the environment. In this study, the effect of oil contamination on the mechanical properties of mortar under two different mixing methods and three different w/c ratios 0.4, 0.5 and 0.6 were investigated. Three different percentages of crude oil contamination (0, 2 and 10%) were considered. Similarly, the mortar was prepared using two mixing methods, i.e (i) cement is mixed with water first before sand is added (CWS) and (ii) cement and sand was mixed first before adding water (CSW) to examine its effect on the compressive strength. The results indicated that the oil contamination affects the compressive strength of mortar. While the compressive strength of 0 and 2% oil contamination is almost the same, a 25% of compressive strength reduction was obtained for 10% crude oil contamination. On the other hand, CWS provided higher compressive strength than the CSW mixing method under different crude oil content. These results show the importance of mixing method especially for mortar with sand with high percentage of crude oil contamination. While the optimum compressive strength was observed with w/c of 0.5 compared to 0.4 and 0.6. Furthermore, the results indicated that oil contaminated sand has the potential for use in construction application

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