International Transaction Journal of Engineering, Management, & Applied Sciences & Technologies


:: International Transaction Journal of Engineering, Management, & Applied Sciences & Technologies

ISSN 2228-9860
eISSN 1906-9642


Vol.13(2) (2022)

  • Effect of Crumb Rubber on Properties of High-Calcium Fly Ash Geopolymer Mortars

    Pisit Thongjub, Peem Nuakong (Department of Civil Engineering, Thammasat School of Engineering, Thammasat University, THAILAND),
    Pitcha Jongvivatsakul (Center of Excellence in Innovative Construction Materials, Department of Civil Engineering, Faculty of Engineering, Chulalongkorn University, THAILAND),
    Nareenart Raksuntorn (Faculty of Industrial Technology, Suan Sunandha Rajabhat University, THAILAND.),
    Boonsap Witchayangkoon, Winai Raksuntorn, Sayan Sirimontree (Department of Civil Engineering, Thammasat School of Engineering, Thammasat University, THAILAND).

    Disciplinary: Civil Engineering & Material Technology (Cement, Geopolymer, Construction Materials, Pavement).

    ➤ FullText

    doi: 10.14456/ITJEMAST.2022.22

    Keywords: Waste tires; Cement mortar; Mortar compressive strength; Alkali-activated materials; Paving block.

    In this study, the influence of crumb rubber on the properties of geopolymer mortar was investigated. The crumb rubber was used as fine aggregate to reduce consumption of natural river sand. The rubber replacement levels namely 10%, 20%, and 30% by volume of the sand was chosen. The results were compared with the control specimen made with only river sand. It was found that the compressive strength of mortars was decreased with increasing the crumb rubber content. An increase in water absorption was observed. However, the strength of the paving block specimen made with 10% rubber meets the requirements for application in interlocking paving blocks. Its compressive strength at the age of 7 days was 85.0 MPa.

    Paper ID: 13A2A

    Cite this article:

    Thongjub, P., et al. (2022). Effect of Crumb Rubber on Properties of High-Calcium Fly Ash Geopolymer Mortars. International Transaction Journal of Engineering, Management, & Applied Sciences & Technologies, 13(2), 13A2A, 1-10. http://TUENGR.COM/V13/13A2A.pdf DOI: 10.14456/ITJEMAST.2022.22


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