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    The Effect of Different Ratio Bottom Ash and Fly Ash Geopolymer Brick on Mechanical Properties for Non-loading Application

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    Date
    2017
    Author
    Laila Mardiah, Deraman
    Mohd Mustafa Al Bakri, Abdullah
    Liew, Yun Ming
    Kamarudin, Hussin
    Wan Mastura, Wan Ibrahim
    Andrei Victor, Sandu
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    Abstract
    This paper studies the finding of strength and water absorption of geopolymer bricks using bottom ash and fly ash as a geopolymer raw material for non-loading application with minimum strength. The study has been conducted to produce bottom ash and fly ash geopolymer bricks by varying the ratio of fly ash-to-bottom ash, solid-to-liquid and sodium silicate (Na2SiO3)-to-sodium hydroxide (NaOH) in the mixing process. The compressive strength range between 3.8-4.5 MPa was obtained due to the minimum strength of non-loading application with 70°C curing temperature within 24 hours at 7 days of ageing. The optimum ratio selected of bottom ash-to-fly ash, solid-to-liquid and Na2SiO3-to-NaOH are 1:2, 2.0 and 4.0 respectively. The water absorption result is closely related to the amount of bottom ash used in the mix design.
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    http://dspace.unimap.edu.my:80/xmlui/handle/123456789/69273
    Collections
    • Mohd Mustafa Al Bakri Abdullah, Prof. Dr. [277]
    • Kamarudin Hussin, Brig. Jen. Datuk Prof. Dr. [252]
    • Center of Excellence for Geopolymer and Green Technology (CEGEOGTECH) (Articles) [130]

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