A study and evaluation of steel corrosion rate in contaminated cover of reinforced concrete chimney shafts

被引：0
|
作者：
Fiertak, Maria [1 ]
Kanka, Stanislaw [2 ]
机构：
[1] Cracow Univ Technol, Fac Civil Engn, Chair Bldg Mat Technol & Struct Protect, Krakow, Poland
[2] Cracow Univ Technol, Fac Civil Engn, Testing Lab Bldg Mat & Struct, Krakow, Poland
来源：
OCHRONA PRZED KOROZJA | 2014年 / 57卷 / 06期
关键词：
concrete; contamination of concrete cover; reinforcement corrosion; cross-sectional reduction;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Concrete reinforcement corrosion causes a progress in the reduction of cross-sectional bars area carrying loads. Conducted research allows estimating the annual reduction in the range from 0.7% to 1.8% depending on the extent of dealkalization and concentration of harmful ions in concrete cover around the reinforcement. Particularly unfavorable is the contamination of the cover by chloride ions, that has concentration which significantly exceeds the established limits, as well as co-occurrence of chloride and sulfate ions in dealkalized concrete cover.
引用
收藏
页码：211 / 215
页数：5
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