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The cement hydration, chemical phases and its microstructural examination of microbed cement based material

Ismail, Noorli and Mohd Saman, Hamidah and Kamaruddin, Kartini and Md Jaafar, Mohd Faizal (2014) The cement hydration, chemical phases and its microstructural examination of microbed cement based material. In: 2014 IEEE Colloquium on Humanities, Science and Engineering Research (CHUSER 2014), 7-9 April 2014, Penang, Malaysia.


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This paper presents a review of previous researches related to the influence of incorporating Effective Microorganism (EM) into the cement based material. The aspects of cement hydration, its chemical phases and microstructure examination on cement based materials containing EM product and EM nonproduct are reviewed. The potential of using EM to enhance the properties of cement based materials had attracted attention of researchers. It appeared that most researchers used the combination of Scanning Electron Microscopy (SEM) with one or more instruments of Electron Disperse X-Ray (EDX), Energy Dispersion Spectroscopy (EDS) or Energy Disperse X-ray Analyzer (EDAX) to determine the chemical constituents on the selected spectrum on image of SEM. Meanwhile, X-Ray Diffraction (XRD and X-Ray Fluorescence (XRF) used to determine the chemical constituent, element composition and identify phases formed during the hydration of cement. It can be concluded that SEM image containing microbes shows the presence of crystalline calcium carbonate with a rhombohedra and long structures shape due to the bacterial activity. It had been confirmed with the peak of calcite in one of the results of XRD, EDX, EDS, EDAX.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: effective microorganism (EM); microbes; chemical phases; microstructure examination
Subjects: T Technology > TP Chemical technology > TP875-888 Cement industries
Divisions: Faculty of Civil and Environmental Engineering > Department of Structural and Material Engineering
Depositing User: Normajihan Abd. Rahman
Date Deposited: 02 Sep 2014 08:24
Last Modified: 02 Sep 2014 08:24
URI: http://eprints.uthm.edu.my/id/eprint/5766
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