WATER AND STEAM CURING TYPES AND THREE NAOH MOLARITIES EFFECTS DUE TO FLY ASH BASED GEOPOLYMER CONCRETE COMPRESSIVE STRENGTH STUDY

Fransisca Maria Farida; Catur Setyawan Kusumohadi; Johannes Jusuf Wibisono; Adang Surahman

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WATER AND STEAM CURING TYPES AND THREE NAOH MOLARITIES EFFECTS DUE TO FLY ASH BASED GEOPOLYMER CONCRETE COMPRESSIVE STRENGTH STUDY

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Fransisca Maria Farida, Catur Setyawan Kusumohadi, Johannes Jusuf Wibisono, Adang Surahman

2023 Journal of Engineering Science and Technology Vol. 18 Article Cited by 2 SDG 12SDG 17

Abstract

The curing process affects the compressive strength of the geopolymer concrete that has been burned. In the burned-out material, the modulus of elasticity and yield strength of the material will decrease due to the creep process. With regard to material problems due to fire, passive fire protection is one of the strategies to overcome them. The all strategies are active fire protection, passive fire protection, and safety management. This study presents the results of fire protection using Suralaya fly ash geopolymer concrete. The three molarities of the geopolymer concrete mix designs studied were 2M, 4M, and 6 M. Meanwhile, the base activators used were Sodium Silicate (Na2SiO3) and Sodium Hydroxide (NaOH). The experimental results were analysed by compressive strength testing to obtain the optimum value. The three results obtained from this study are the compressive strength value obtained from curing with steam is almost the same with that from curing with water, the compressive strength value of 2M geopolymer concrete is higher than 4M, and the compressive strength value of 6M geopolymer concrete is higher than the value of 6M. compressive strength of 6M geopolymer concrete. from 4M. Another finding is the higher the number activator molarity is not always advised by growing up the compressive strength of the resulting geopolymer concrete. © School of Engineering, Taylor's University.

Affiliations

Fire Safety Engineering Study Program, Engineering Faculty, Universitas Negeri Jakarta, Jl. Rawamangun Muka No. 1, Jakarta, 13220, Indonesia; P.T. Rexaudia Sasada Sentosa, Jl. H. Agus Salim No. 32/4 gang senggol, Kebon Sirih, Menteng, Jakarta Pusat, 10340, Indonesia; Civil Engineering Department, Institut Teknologi Bandung, Jl. Ganeca No. 10, Bandung, 40132, Indonesia

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