F.M. Farida, C.S. Kusumohadi, E. Alanas, M.F. Fikri
Burned material experiences a decrease in yield strength and elasticity modulus. Fire supervision is required. One of the sustainable material is geopolymer. In this study, fly ash and perlite-based concrete geopolymer have been burned for 900°C for 2 hours. It is followed by Surface Area Analyzer test equipment. The size of pore changes for burned concrete geopolymer. Meanwhile, one of the strength of concrete geopolymer indicator is compressive strength. Both of the results of compressive strength and the pore size are conducted through experimental study. Bet method has been used to measure pore size of it. UTM machine has been used to calculate compressive strength. The surface area analyzer test results show that the addition of perlite to fly ash-based geopolymer concrete will decrease the value of surface area, pore volume, and pore distribution in burned geopolymer concrete, but the addition of perlite to fly ash-based geopolymer concrete will increase the value of pore distribution and decrease the value of surface area and pore volume in unburned geopolymer concrete. © Published under licence by IOP Publishing Ltd.
Department of Engineering, Universitas Negeri Jakarta, Jl. Rawamangun Muka, Jakarta, 13220, Indonesia
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