全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

弯曲荷载对混凝土氯离子扩散与钢筋初锈时间的影响

, PP. 13-18

Keywords: 弯曲荷载,混凝土,氯离子,钢筋,初始锈蚀时间

Full-Text   Cite this paper   Add to My Lib

Abstract:

通过设计的人工气候环境下水工混凝土梁加载侵蚀对比试验,分析了弯曲荷载作用下梁的纯弯区与无荷载作用下混凝土的氯离子浓度分布,并以Fick第二定律和MonteCarlo方法为基础,研究了弯曲荷载对水工混凝土的氯离子扩散参数与钢筋初始锈蚀时间的影响。结论表明,弯曲荷载对受压区混凝土的氯离子扩散有抑制作用,并延缓了受压区钢筋初始锈蚀时间。

References

[1]  Zhang J.Z.and Wang J.Z and Zou C.R.,et al. Study on Diffusion Performance of Chloride Ions in Existing Concrete under Strong Tidal Environment.Proceedings of the Tenth International Symposium on Structural Engineering for Young Exports,edited by Xu B.and Xiao Y.and Ru J.P.et al. Changsha,China,2008,1337-1342.
[2]  高延红,黄海珍,张俊芝等.钱塘江感潮河口地区水工混凝土氯盐侵蚀特征[J].人民长江,2009,40(22):69-70.GAO Yanhong,Huang Haizhen,ZHANG Junzhi, et al. Permeability characteristic of chlorideions for hydraulic concrete in tidales tuaryregion of Qiantang River[J].Yangzte Rive,r2009,40(22):69-70.(in Chinese)
[3]  郑辉.自然环境下混凝土氯离子侵蚀的随机性及寿命预测[D].杭州:浙江工业大学学位论文,2009.ZhengHui. Randomness of Chlorideion Erosion in Concrete and Service Life Prediction under Natural Environment[D].MD thesis,Zhejiang University of Technology,Hangzhou,2009.(in Chinese)
[4]  张宝兰,卫淑珊.华南海港钢筋混凝土暴露十年试验[J].水运工程,1999,(3):6-13.Zhang Baolan,Wei Shushan.Test for Rein forced Concrete Structure at Sea Port of South China after Ten Years Expose[J].Port & Waterway Engineering,1999,(3):6-13.(in Chinese)
[5]  Ming-Te Liang,Li-Hsien Lin,and Chih-Hsin Liang.Service life prediction of existing reinforced concrete bridges exposed to Chloride environment[J].ASCE,Journal of In frastructure Systems,2002,8(3):76-85.
[6]  马亚丽,张爱林.混凝土结构钢筋初锈时间的概率模型[J].水利学报,2007,38(5):630-636.Ma Yali, Zang Ailin.Probabilistic model of corrosion in itiation tmie of steel bar in concrete structure[J].Journal of Hydraulic Engineering,2007,38(5):630-636.(in Chinese)
[7]  何世钦,贡金鑫.弯曲荷载作用对混凝土中氯离子扩散的影响[J].建筑材料学报,2005,8(2):134-138.He Shiqin,Gong Jinxin.Influence of Flexural Loading on Permeability of Chloride Ion in Concrete[J].Journal of Building Materials,2005,8(2):134-138.(in Chinese)
[8]  CostaA,Appleton J.Chloride penetration into concrete in marine environment-part:prediction of long term chloride penetration[J].Materials and Structures,1999,32(6):354-359.
[9]  何世钦,王海超,贡金鑫.荷载与锈蚀共同作用下钢筋混凝土梁抗弯试验研究[J].水力发电学报,2007,26(12):46-51.He Shiqin,Wang Haichao,Gong Jinxin.Study on flexural expermient of reinforced concrete beams under simultaneous service loading and corrosion[J].Journal of Hydroelectric Engineering,2007,26(12):46-51.(in Chinese)
[10]  Jianmin Zhou,Junzhi Zhang,Wang Jiandong,et al. Expermiental Research on Influence of Flexural Loading on Permeability of Chloride Ion in RC Beams under Man-Made Corrosion Environment[C].Proceedings of the International Symposium on Innovation & Sustain ability of Structures in Civil Engineering,edited by Jie Li, Bo Wu and Zhishen Wu et al.,Guangzhou,China,2009,1140-1144.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133