欢迎登录材料期刊网

材料期刊网

高级检索

钢筋混凝土结构的电化学处理技术能有效抑制混凝土碳化和氯化物侵入这两个主要因素引起的混凝土中钢筋的腐蚀,对已经发生去钝化的钢筋具有良好的修复作用,是一种高效率的钢筋混凝土结构修复技术,具有广阔的应用前景.本文论述了该技术的基本原理、处理效果、影响因素及副作用,并提出了评价和建议.

参考文献

[1] Mehta P K.Concrete durability-nfty years prngress[A].Pree.of 2nd Inter.Conf.on Concrete Durability[C].DetroitI ACI Publication.1991.126.
[2] Hausmann D A.Steel corrosion in concrete:how does it occur[J].Materials Protection,1967,6(11):19.
[3] 樊云昌,曹兴国,陈怀荣.混凝土中钢筋腐蚀的防护与修复[M].北京:中国铁道出版社,2001.165.
[4] 洪定海.混凝土中钢筋的腐蚀与保护[M].北京:中国铁道出版社,1998.17.
[5] Shamsad A.Reinforcement corrosion in concrete structures,its monitoring and service life prediction.A review[J].Cement and Concrete Composites,2003,25(4/5):459.
[6] Moreno M,Morris W,Alvarez M G,et al.Corrosion of reinfor-cing steel in simulated concrete pore solutions:effect of car-bonation and chloride content[J].Corrosion Science,2004,46(11):2681.
[7] Ihekwaba N M,Hope B B,Hansson C M.Carbonation and eleetrechemical chloride extraction from concrete[J].Cement and Concrete Research,1996,26(7):1095.
[8] Weichung Y,Chang J J.A study on the efficiency of electm-chemical realkalisation of carbonated concrete[J].Construc-tion and Building Materials,2005,19(7):516.
[9] Berke N S,Dallalre M P,Hicks M c,et al.Corrosion of steel in cracked concrete[J].Corr.Eng.,1993,49(11):934.
[10] Thangavel K,Rengaswamy N S.Relationship between chloride/hydroxide ratio and corrosion rate of steel in concrete[J].Ce-ment and Concrete Composites.1998,20(4):283.
[11] Orellan J C,Escedeillas G,Arliguie G.Electrochemical chlo-ride extraction:efficiency and side effects[J].Cement and Concrete Research,2004,34(2):227.
[12] Bennett J,Thomas J S.Evaluation of Noreure Process for Elee-treehemical Chloride Removal from Steel-reinforced Concrete Bridge Components[M].Washington:National Academy of Sciences.1993.1.
[13] Marcotte T D,Hansson C M,Hope B B.The effect ofthe elec-treehemical chioride extraction treatment on steel-reinforced mortar[J].Cement and Concrete Research,1999,29(10):1555.
[14] Mietz J.Electmchemical reslkalisation for rehabilitation of rein-forced concrete structure[J].Materials and Corrosion,1995,46(9):527.
[15] Velivnsakis E E,Henriksen S,Whitemore D.Chloride extrac-tion and re-alkalisation of reinforced concrete stop steel corro-sion[J].Perform Construct Facilities,1998,12(2):77.
[16] Banfill P F G.Re-alkalisation of carbonated concrete-effect on concrete properties[J].Constructon and Building Materials,1997.11(4):255.
[17] Chang JJ.Bond degradation due to the desalination process[J].Constructon and Building Materials,2003,17(4):281.
[18] Du R G,Hu R G,Hnang R S,et al.In situ measurement of Cl-concentrationsand pH at the reinforcing steel/concrete in-terrace by combination sensors[J].Analytical Chemistry,2006,78(9):3179.
[19] Arya C,Sa'id-shawqi Q,Vassie P R W.Factors influencing eleetrochemical removal of chloride from concrete[J].Cement and Concrete Research,1996,26(6):851.
[20] Rob B,Polder.Electreehemical chloride removal from concrete prisms containing chloride penetrated from sea water[J].Con-struction and Building Material,1996,10(1):83.
[21] Castellote M,Andrade C,Alonso C.Electrochemical removal of chlorides:Modelling of the extraction.resulting profiles and de-termination of the efficient time of treatment[J].Cement and Concrete Research,2000,30(4):615.
[22] Glass G K,Buenfeld NR.The inhibitive effects of electrechem-ical treatment applied to steel in concrete[J].Corrosion Sci-ence,2000,42(6):923.
[23] Batic O R,Vetere V F,Romagnoli R,et al.Variation in steel-mortar bond strengthandmicrostructurein eathadically protec-ted specimens after two-year exposure[J].Mater.Struct.,2001,34(235):27.
[24] Michael S,John FL,Brian JM.Change of pore size in concrete due to electrochemical chloride extraction and possible implica-tions for the migration of ions[J].Cement and Concrete Re-search,2003,33(8):1211.
[25] Wang Y,Li L Y,Page C L.A two-dimensional model of elec-trochemical chloride removal from concrete[J].Computational Materials Science,2001,20(2):196.
[26] Ihekwaba N M,Hope B B,Carolyn M,Hansson.Structural shape effect on rehabilitation of vertical Concrete structures by ece technique[J].Cement and Concrete Research,1996,26(1):165.
[27] Monteiro P J M,Helene P,et al.Influence ofwater-cement ratio and cover thickness on chloride extraction of reinforced con-crete[J].Materials Journal,2005,102(1):9.
[28] Li L Y,Page C L.Modelling of electrochemical chloride extgac-tion from concfete:Influence of ionic activity coefficients[J].Computational Materials Science,1998,9(3/4):303.
[29] Page C L,Sergi G,Thompson D M.Development of alkali-silica reactioninre in forced concrete subjected to cathodic protection[A].Proe.9th Int.Conf.on Alkali-Aggregates Reaction in Concrete[C].London:Concrete Society Publication CS.1992.774.
[30] Siegwart M,Lyness J F,McfarlandB J,et al.The effect of deec-trochemical chloride extraction on pre-Btressed concrete[J].Construction and Building Materials.2005,19(8):585.
[31] Chang J J,Yeih W,Huang R,et al.Mechanical properties for carbonated concrete[J].J Chin lnst Eng.,2003,26(4):513.
[32] Buenfeld N R,Bmomfield J P.Effect of chloride removal on re-bar bond strenthand concrete properties[R].Sheffield:Univ.of Sheffield UK.1994.1438.
[33] 李建勇,杨红玲.国外混凝土钢筋锈蚀破坏的修复和保护技术[J].建筑技术,2002,33(7)1491.
上一张 下一张
上一张 下一张
计量
  • 下载量()
  • 访问量()
文章评分
  • 您的评分:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%