Experimental exploration of the waterproofing mechanism of inorganic sodium silicate-based concrete sealers
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- 作者：Zhongnan Songa ; b ; Xiao Xueb ; c ; Yanwen Lib ; Jingna Yangb ; Zhongyu Heb ; Shizhao Shena ; Lihong Jiangb ; Weidong Zhangb ; zwdpt@sohu.com" class="auth_mail" title="E-mail the corresponding author ; zhang.weidong@cscec.com" class="auth_mail" title="E-mail the corresponding author ; Lijin Xuc ; ; Hongqiang Zhangb ; Jian Qub ; Wenzhan Jib ; Tao Zhangb ; Liang Huob ; Baohua Wangb ; Xiqiang Linb ; Nan Zhangb
- 关键词：Concrete sealer ; Sodium silicate ; Water impermeability ; Hydrophilic agent ; Contact angle ; Calcium silicate hydrate
- 刊名：Construction and Building Materials
- 出版年：2016
- 出版时间：1 February 2016
- 年：2016
- 卷：104
- 期：Complete
- 页码：276-283
- 全文大小：994 K
文摘
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No detectable new composition is introduced into the concrete treated with a sealer.
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The formed C–S–H gels only partially fill the defects of concrete structures.
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The concrete sealers reduce the sizes of micro-pore and micro-crack in the concrete.
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The sealers improve the compactness and the water impermeability of the concrete.
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Sodium silicate-based concrete sealers are surface hydrophilic agents.
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