Alkali activated slag binder: effect of cations from silicate activators

被引：0
|
作者：
Ricarda Tänzer
Yu Jin
Dietmar Stephan
机构：
[1] Schomburg GmbH,
[2] Technische Universität Berlin,undefined
来源：
Materials and Structures | 2017年 / 50卷
关键词：
Blast furnace slag; Alkali activation; Sodium/potassium silicate; Water glass;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Two blast furnace slags were activated by alkali hydroxide and alkali silicate solutions possessing different modulus (0.5, 1 and 2), as well as cations (sodium and potassium). Their properties, including the setting time, heat of hydration, compressive strength as well as porosity and morphology have been investigated on both fresh and hardened pastes. The results showed that the cations of these silicate activators exerted a significant effect on the performance of the alkali activated slag binder, whereby the mechanical strength of the binder was promoted greater by the potassium silicate solution as compared to by the sodium silicate solution.
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