Engineering Properties of Ternary Cementless Blended Materials

International Journal of Engineering and Technology Innovation

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Field Value
Title Engineering Properties of Ternary Cementless Blended Materials
Creator Lin, Wei-Ting
Korniejenko, Kinga
Hebda, Marek
Łach, Michał
Mikuła, Janusz
Subject non-cement binder, co-fired fly ash, GGBS, chloride migration, green materials
Description A new non-cement blended materials is developed as a full replacement of cement without alkali activator. This study was conducted to explore a suitable method for activating new ternary green materials with desulfurization gypsum, water-quenched blast-furnace slag and co-fired fly ash from circulating fluidized bed combustion as non-cement inorganic binder. Test subject was included flowability, compressive strength, absorption, total charge-passed from rapid chloride permeability test, chloride diffusion coefficient from accelerated chloride migration test and SEM observation. Test results indicate that a ternary mixture containing 1% desulfurization gypsum, 60% water-quenched blast-furnace slag and 39% co-fired fly ash was a suitable development in compressive strength. The new non-cement blended materials were performed a well compressive strength, lower absorption, and lower chloride diffusion coefficient. In addition, the compressive strength decreased as the inclusion of desulfurization gypsum increased. It was concluded that using desulfurization gypsum alone decreased the setting time and compressive strength. SEM micrographs were verified the development in compressive strength originated from the C-S-H and C-A-S-H gel produced by Ca(OH)2, SiO2, and Al2O3.
Publisher Taiwan Association of Engineering and Technology Innovation
Date 2020-07-01
Type info:eu-repo/semantics/article
Format application/pdf
Source International Journal of Engineering and Technology Innovation; Vol 10 No 3 (2020); 191-199
Language eng
Rights Copyright (c) 2020 Wei-Ting Lin

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