|本期目录/Table of Contents|

[1]延永东,姚昌建,刘荣桂,等.氯盐环境下开裂混凝土耐久性研究进展[J].建筑科学与工程学报,2015,32(04):21-30.
　YAN Yong-dong,YAO Chang-jian,LIU Rong-gui,et al.Research Progress on Durability of Cracked Concrete Under Chloride Environment[J].Journal of Architecture and Civil Engineering,2015,32(04):21-30.
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氯盐环境下开裂混凝土耐久性研究进展(PDF)
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《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

卷:
32卷
期数:
2015年04期
页码:
21-30
栏目:
出版日期:
2015-07-21

文章信息/Info

Title:
Research Progress on Durability of Cracked Concrete Under Chloride Environment
作者:
延永东，姚昌建，刘荣桂，陆春华
江苏大学土木工程与力学学院
Author(s):
YAN Yong-dong, YAO Chang-jian, LIU Rong-gui, LU Chun-hua
School of Civil Engineering and Mechanics, Jiangsu University
关键词:
钢筋混凝土; 裂缝; 氯离子传输; 钢筋锈蚀
Keywords:
reinforced concrete;  crack;  chloride ion transportation;  steel corrosion
分类号:
-
DOI:
-
文献标志码:
A
摘要:
为了明确裂缝对氯盐环境下钢筋混凝土结构耐久性的影响，结合已有文献分析了荷载裂缝、非荷载裂缝及预制裂缝下混凝土结构在氯盐环境下的耐久性变化规律，指出了裂缝形式（人工裂缝、自然裂缝）、宽度、深度、间距等参数对混凝土渗透性及氯离子传输、内部钢筋锈蚀的影响规律，介绍了已有的饱和与非饱和状态下开裂混凝土内氯离子传输过程的模型，指出了氯盐环境下开裂混凝土耐久性研究已得出的基本结论及需要深入研究的方面。所得结论可为氯盐环境下开裂混凝土的后期研究提供借鉴。
Abstract:
To reveal the influence of crack on durability of reinforced concrete structure under chloride environment, authors analyzed the change rules about durability of concrete with load cracks, nonload cracks and artificial cracks by combining the existed references. The effects of crack type (artificial or natural crack), width, depth and distance on concrete durability which contains penetrability, chloride ingression and steel corrosion were pointed out. The models about chloride ion transportation in cracked concrete under saturated and unsaturated state were also introduced. The basic conclusions and key points needed in further study were finally put forward. The obtained results can be served as references for the future research on durability of cracked concretes under chloride environment.

参考文献/References:

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备注/Memo

备注/Memo:
更新日期/Last Update: 2015-07-21