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...

沿海混凝土桥氯离子扩散修正模型及其应用

, PP. 89-94

Keywords: 桥梁工程,混凝土桥梁,氯离子扩散模型,荷载影响因子,氯离子结合能力

Full-Text   Cite this paper   Add to My Lib

Abstract:

?为了给沿海地区在役混凝土桥梁的耐久性研究提供更加可靠的理论依据,针对影响沿海地区混凝土桥梁耐久性的主要因素——氯离子侵蚀引起钢筋的锈蚀,从氯离子扩散的角度出发,综合各国氯离子扩散的相关数学模型,提出考虑荷载影响因子和氯离子结合能力这2种因素的混凝土氯离子扩散修正模型,并借助于各国相关的试验数据对氯离子扩散修正模型进行了验证和分析。研究结果表明:与传统的仅考虑单一影响因素的氯离子扩散模型相比,所提出的氯离子扩散修正模型更加合理,可以更准确地预测沿海地区在役混凝土桥梁的剩余使用寿命。

References

[1]  YOON S,WANG K,WEISS W J,et al.Interaction Between Loading,Corrosion,and Serviceability of Reinforced Concrete[J].ACI Materials Journal,2000,97(6):637-644.
[2]  SHUI Jin-feng.Durability Study for Reinforced Concrete Bridges Exposed in Marine Environment[D].Dalian:Dalian University of Technology,2005.
[3]  KROPP J,HILSDORF H K.Performance Criteria for Concrete Durability[M].London:E &| FN Spon,1995.
[4]  BUENFELD N R,GLASS G K,HASSANEIN A M,et al.Chloride Transport in Concrete Subjected to Electric Field[J].Journal of Materials in Civil Engineering,1998,10(4):220-228.
[5]  郝晓丽.氯腐蚀环境混凝土结构耐久性与寿命预测[D].西安:西安建筑科技大学,2004.
[6]  王元战,田双珠,王 军,等.不同环境条件下考虑荷载影响的氯离子扩散模型[J].水道港口,2010,31(2):125-131.
[7]  WANG Yuan-zhan,TIAN Shuang-zhu,WANG Jun,et al.Chloride Diffusion Model of RC Member in Various Marine Environments Considering Loading Effect[J].Journal of Waterway and Harbor,2010,31(2):125-131.
[8]  XUE Peng-fei,XIANG Yi-qiang.Corrected Diffusion Model of Chloride in Concrete and Its Engineering Application[J].Journal of Zhejiang University:Engineering Science,2010,44(4):831-836.
[9]  何世钦.氯离子环境下钢筋混凝土构件耐久性能试验研究[D].大连:大连理工大学,2004.
[10]  HE Shi-qin.Experimental Studies on Durability of Reinforced Concrete Members in Chloride Environment[D].Dalian:Dalian University of Technology,2004.
[11]  ZHANG De-feng.Durability Study of Modern PC Structure[D].Nanjing:Southeast University,2001.
[12]  BE 95-1347,General Guidelines for Durability Design and Redesign[S].
[13]  赵 筠.钢筋混凝土结构的工作寿命设计——针对氯盐污染环境[J].混凝土,2004,26(1):3-21.
[14]  ZHAO Jun.Service Life Design of Reinforced Concrete Structures Exposed to Chloride Environment[J].Concrete,2004,26(1):3-21.
[15]  MOHAMMED T U,HAMADA H.Relationship Between Free Chloride and Total Chloride Contents in Concrete [J].Cement and Concrete Research,2003,33(9):1487-1490.
[16]  Zhejiang University.Evaluation Research on Structure Durability of Highway Concrete Bridge[R].Hangzhou:Highway Administration Bureau of Zhejiang Province,2005.
[17]  ZHANG Bao-lan,WEI Shu-shan.Test of Reinforced Concrete Structure at Sea Port of South China Exposure Ten Years[J].Port and Waterway Engineering,1999(3):6-13.
[18]  KONIN A,FRANCOIS R,ARLIGUIE G.Penetration of Chlorides in Relation to the Microcracking State into Reinforced Ordinary and High Strength Concrete[J].Materials and Structures,1998,31(5):310-316.
[19]  水金锋.海潮影响区钢筋混凝土桥梁的耐久性研究[D].大连:大连理工大学,2005.
[20]  COSTA A,APPLETON J.Chloride Penetration into Concrete in Marine Environment-Part I:Main Parameters Affecting Chloride Penetration[J].Materials and Structures,1999,32(4):252-259.
[21]  余红发,孙 伟,鄢良慧,等.混凝土使用寿命预测方法的研究I——理论模型[J].硅酸盐学报,2002,30(6):686-690.
[22]  YU Hong-fa,SUN Wei,YAN Liang-hui,et al.Study on Prediction of Concrete Service Life I:Theoretical Model[J].Journal of the Chinese Ceramic Society,2002,30(6):686-690.
[23]  HAO Xiao-li.Durability and Service Life Prediction of Reinforced Concrete Structure Exposed to Chloride Environments[D].Xi'an:Xi'an University of Architecture and Technology,2004.
[24]  薛鹏飞,项贻强.修正的氯离子在混凝土中的扩散模型及其工程应用[J].浙江大学学报:工学版,2010,44(4):831-836.
[25]  MANGAT P S,MOLLOY B T.Prediction of Long Term Chloride Concentration in Concrete[J].Materials and Structures,1994,27(6):338-346.
[26]  张德锋.现代预应力混凝土结构耐久性研究[D].南京:东南大学,2001.
[27]  COSTA A,APPLETON J.Chloride Penetration into Concrete in Marine Environment-Part II:Prediction of Long Term Chloride Penetration[J].Materials and Structures,1999,32(5):354-359.
[28]  THOMAS M D A,BAMFORTH P B.Modeling Chloride Diffusion in Concrete Effect of Fly Ash and Slag [J].Cement and Concrete Research,1999,29(4):487-495.
[29]  浙江大学.公路混凝土桥梁结构耐久性评估研究[R].杭州:浙江省公路管理局,2005.
[30]  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.
[31]  JTJ 228—87,海港钢筋混凝土结构防腐蚀[S].
[32]  JTJ 228—87,Corrosion Prevention Specification for Reinforced Concrete Structures of Harbor[S].
[33]  JTJ 225—87,港口工程混凝土试验方法[S].
[34]  JTJ 225—87,Test Method for Concrete of Harbor Engineering[S].

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133