Influence of sulfur trioxide on volume change and compressive strength of eco-mortar
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- 作者：Che-Hung Sunga ; Ran Huangb ; Yann-Hwang Wua ; yh0415@gmail.com" class="auth_mail" title="E-mail the corresponding author ; Chia-Jung Tsaia ; Hao-Wen Laia
- 关键词：CFFA ; GGBS ; Blended mortar ; Sulfur trioxide ; Volume changes
- 刊名：Construction and Building Materials
- 出版年：2016
- 出版时间：1 July 2016
- 年：2016
- 卷：114
- 期：Complete
- 页码：464-469
- 全文大小：855 K
文摘
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When fly ash from a CFB co-fired boiler is mixed with water, it has a highly exothermic reaction, expansion of the particulate matter and a high pH value.
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Some producers of concrete use co-fired fly ash as a controlled low strength material (CLSM).
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The SO3 content might have been a factor that induced the volumetric expansion of the composite cement mortar.
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The volumetric expansion of the composite cement mortar might have been primarily induced by
and CaSO4·(H2O)8.