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Effects of the colloid graphite Nano-Particle on the properties of fuel ash-green cement composite

Author Affiliations

  • 1Istanbul University-Cerrahpasa, Istanbul 34320, Turkey

Res. J. Recent Sci., Volume 9, Issue (3), Pages 19-27, July,2 (2020)

Abstract

This current study aims at comparing properties of conventional cement composite and of green cement composite (CPFA-GCC) including pulverized fuel ash of class C (CPFA) and nano particle of graphite (GNP) and colloid nano particle of graphite (CGNP) each other. The laboratory based research has prepared samples of green cement paste composite and of green cement mortar composite made of class C pulverized fuel ash (CPFA), pure cement, graphite nano particle (GNP), colloid GNP (CGNP), CEN standard sand, and tap water to analyze and compare with the properties each other. The tested physical and mechanical properties were specroanalitical quantity of CGNP with the optical atomic absorption spectroscopy (OAAS), the setting-period of green cement paste composite, the flow, and the apparent density of green mortar composite as well as the compressive stress at 1 day (d), 2d, and 3d. Results indicate that the CGNP accelerates the stiffness-time and increases the compressive stress. Consequently, the CGNP is useful for the properties of CPFA-GCC when compared to the properties of class C pulverized fuel ash-green cement composite and of pure cement composite made with and without the CGNP.

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