Erosion-resisting characteristics of concrete under freeze-thaw action

被引：1

作者：

Wang, Bei ^{[1
]}

Li, Fu-hai ^{[1
]}

Li, Jian-li ^{[2
]}

Cui, Sheng-ai ^{[1
]}

Zhang, Yong-wang ^{[3
]}

机构：

[1] Southwest Jiaotong Univ, Sch Civil Engn, Chengdu 610031, Peoples R China

[2] China North Ind Ltd, ShiJiazhuang 050011, Peoples R China

[3] hebei Hydrol & Engn Geol Prospect Inst, ShiJiazhuang 050000, Peoples R China

来源：

ADVANCES IN CIVIL STRUCTURES, PTS 1 AND 2 | 2013年 / 351-352卷

基金：

中国国家自然科学基金;

关键词：

freeze-thaw; concrete; protection; osmotic pressure; SPUA;

D O I：

10.4028/www.scientific.net/AMM.351-352.1596

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Erosion-resisting characteristics of C25, C35 and C50 concrete are tested in an environment of freezing and thawing cycle. The result shows that the corrosion becomes more and more serious under clear water, the liquor of sodium sulfate, the liquor of sodium sulfate and sodium chloride after 300 freeze-thaw cycles. This kind of phenomenon also happens when the water cement ratio becomes increasingly bigger. The concrete samples which are protected by SPUA (Spray Polyurea Elastomer) are in good condition. The main problem is spalling from surface to interior, which shows different tendency in different salting liquid.

引用

页码：1596 / 1600

页数：5

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