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Title: Nfluence of addition method of silicic acid sodium and setting retarder on compressive strength characteristics and aging of flow value for geopolymer mortar
Authors: Goto, So
Inukai, Toshitsugu
Hirose, Takashi
Keywords: Geopolymer
Silicic acid sodium
Addition method
Anhydrous citric acid
Compressive strength
Flow value
Issue Date: 2018
Series/Report no.: Tạp chí Xây dựng Việt Nam;Số 9 .- Tr.268-275
Abstract: In this study, compressive strength characteristics and effect of aging of flow value due to addition of silicic acid sodium by powder addition method and aqueous solution addition method were experimentally examined. As a result, following information was obtained. (1) As long as concentration of silicic acid sodium aqueous solution is within range of 3.0 mol/L, compressive strength increases as concentration of silicic acid sodium increases and specific surface area of fly ash increases, regardless of addition method of silicic acid sodium. (2) The effect of aging of How value by powder addition method differs depending on added amount of silicic acid sodium, type of fly ash, and ratio of setting retarder added.
ISSN: 0866-8762
Appears in Collections:Xây dựng Việt Nam

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