盐污染环境中钢筋混凝土结构阴极保护状况及进展
Development and Status of Cathodic Protection in Reinforced Concrete Structures in Salt Polluted Environments
摘 要
钢筋锈蚀是缩短混凝土结构寿命的首要因素.减缓或消除混凝土结构中的钢筋锈蚀方法有多种,其中最为常用有效的方法为阴极保护法.阴极保护法分为强制电流法和牺牲阳极法.本文介绍了国外最新的混凝土结构阴极保护方式的进展.并对两种阴极保护及其阳极的工作性能、使用寿命等作了简要介绍.
阴极保护
强制电流
牺牲阳极
reinforced concrete
cathodic protection(CP)
impressed current
sacrificial anode
Abstract
The prime factor of shortening the life of reinforced concrete structures in marine is the corrosion of rebars.There are several ways to slow down or eliminate the corrosion of rebars in the structures.The most commonly used and effective protective method is cathodic protection (CP) including the impressed current method and the sacrificial anode method.This article focuses on the newest overseas cathodic protection methods and introduces the performance and service life of CP.
中图分类号 TG174.41 TU528
所属栏目 专论
基金项目
收稿日期 2009/8/10
修改稿日期 2010/1/4
网络出版日期
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备注沈静文,硕士研究生.
引用该论文: SHEN Jing-wen,ZHU Xi-chang. Development and Status of Cathodic Protection in Reinforced Concrete Structures in Salt Polluted Environments[J]. Corrosion & Protection, 2010, 31(5): 398～401
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参考文献
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【6】Michael C Brown,Stephen R Sharp.Survey of cathodic protection systems on Virginia bridges[C]//Virginia Transportation Research Council Research Report,2008:61-67.
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【10】Rod Callon,Corrpro Arabia,Steven F.Selection guidelines for using cathodic protection systems on reinforced and prestressed concrete structures[C]//NACE International Corrosion Technology.2004.
【11】陈卫,马化雄,张海军.强制电流阴极保护技术在天津港滚装码头预制梁中的应用[J].中国港湾建设,2006(5):50-51.
【12】Young W T,Funahashi M.Improved anode for galvanic cathodic protection of steel in concrete[C]//NACE International Conference on Corrosion and Infrastructure.Baltimore:1995.
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【15】Donald R,Jackson P E.Evaluation of anodes for galvanic cathodic prevention of steel corrosion in prestressed concrete prevention in marine environments in Virginia[C]//Monograph Accession,Virginia Transportation Research Council,1999.
【16】EN 12696 2000,Cathodic protection of steel in concrete[S].
【17】Lasa Ivan R,Rodney G Powers.Florida′s approach to bridge preservation[C]//Technical Memorandum of Public Works Research Institute,2003:175-188.
【18】Jennifer L Kepler,David Darwin,Carl E.Evaluation of corrosion protection methodic for reinforced concrete highway structures[R].Structural engineering and engineering materials.SM peport No.58,2000.
【19】Concrete Innovations Appraisal Service.Galva shield embedded galvanic anodes for repair of concrete[R].A service of the strategic development council of the concrete research and education foundation,2001.
【2】Mehta P K.Concrete durability-fifty years progress[C]//Proc of 2nd Inter Conf on Concrete Durability.ACI Sp 126-1,1991:1-31.
【3】Scheffy C F.Bridge deck deterioration-A 1981 perspective[R].FHWA Memorandum,Federal Highway Administration Office of Research,1981.
【4】胡士信.阴极保护工程手册[M].北京:化学工业出版社,1999.
【5】T Paul Teng.Long-Term Effectiveness of Cathodic Protection Systems on Highway Structures[R].U S Department of Transportation Federal Highway Administration Research and Development,Publication No.FHWA-RD-01-096,2001.
【6】Michael C Brown,Stephen R Sharp.Survey of cathodic protection systems on Virginia bridges[C]//Virginia Transportation Research Council Research Report,2008:61-67.
【7】Lasa I R,Powers R G.Evaluation of conductive rubber,perforated zinc sheet,and titanium mesh as cathodic protection systems[R].Federal Highway Administration,Report Prepared for US Dept of Transportation,1991.
【8】Langley R M,Powers R G.Impressed current cathodic protection using conductive coatings as anodes in reinforced concrete structures in marine environments[R].Federal Highway Administration,Report prepared for U S Dept of Transportation,1992.
【9】Kessler R J,PowersI R G,Lasa R.An update on the long term use of cathodic protection of steel reinforced concrete marine structures[C]//NACE International Corrosion Technology.Corrosion 2002.
【10】Rod Callon,Corrpro Arabia,Steven F.Selection guidelines for using cathodic protection systems on reinforced and prestressed concrete structures[C]//NACE International Corrosion Technology.2004.
【11】陈卫,马化雄,张海军.强制电流阴极保护技术在天津港滚装码头预制梁中的应用[J].中国港湾建设,2006(5):50-51.
【12】Young W T,Funahashi M.Improved anode for galvanic cathodic protection of steel in concrete[C]//NACE International Conference on Corrosion and Infrastructure.Baltimore:1995.
【13】Covino B S,Bullard S J,Holcomb G R.Non-Destructive Evaluation of Thermal Spray Cathodic Protection Anodes[C]//Corrosion & Technology,NACE International,2000.
【14】Michael Szeliga,Russell Corrosion Consultants,Paul S Rothman.Galvanic cathodic protection of reinforced concrete structures in a marine environment[C]//Corrosion 2004,NACE International Corrosion & Technology,2004.
【15】Donald R,Jackson P E.Evaluation of anodes for galvanic cathodic prevention of steel corrosion in prestressed concrete prevention in marine environments in Virginia[C]//Monograph Accession,Virginia Transportation Research Council,1999.
【16】EN 12696 2000,Cathodic protection of steel in concrete[S].
【17】Lasa Ivan R,Rodney G Powers.Florida′s approach to bridge preservation[C]//Technical Memorandum of Public Works Research Institute,2003:175-188.
【18】Jennifer L Kepler,David Darwin,Carl E.Evaluation of corrosion protection methodic for reinforced concrete highway structures[R].Structural engineering and engineering materials.SM peport No.58,2000.
【19】Concrete Innovations Appraisal Service.Galva shield embedded galvanic anodes for repair of concrete[R].A service of the strategic development council of the concrete research and education foundation,2001.
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