CORROSION OF REINFORCED AND PRESTRESSED CONCRETE REINFORCEMENTS

WITHIN THE GENERAL QUESTION OF DURABILITY OR CHEMICAL RESISTANCE OF HYDRAULIC CEMENTS TO THE PASSAGE OF TIME, THE PROBLEM OF CORROSION IN MORTARS, REINFORCED, AND PRESTRESSED CONCRETES, IS THE MOST IMPORTANT BECAUSE OF ITS TECHNICAL AND ECONOMIC SIGNIFICANCE. CORROSION IS A PHYSICOCHEMICAL PHENOMENON WHICH BELONGS TO THE FIELD OF ELECTROCHEMISTRY AND SHOULD BE STUDIED AND EVALUATED IN ACCORDANCE WITH THE FUNDAMENTAL LAWS OF ELECTROCHEMISTRY ITSELF. THE SAME APPLIES TO THE METHODS OF PROTECTION THAT ARE ADOPTED AGAINST CORROSION. THE EASIEST CURE, FROM A TECHNICAL POINT OF VIEW, AND THE CHEAPEST FROM AN ECONOMIC ASPECT, IS ALWAYS THE PREVENTIVE ONE. THE MEASURES FOR PROTECTION SHOULD BE TAKEN AT THE DESIGN STAGE OF THE WORK IN QUESTION. THE BEST PROTECTION FOR CONCRETE IS, THEREFORE, THE ADOPTION OF GOOD WORK PRACTICES AND THE OBSERVANCE OF THE MOST ELEMENTARY ELECTROCHEMICAL PRINCIPLES. THE USE OF CHLORINATED ACCELERATING ADDITIVES FOR THE SETTING AND HARDENING, AND THE STATE OF STRESS OF THE REINFORCEMENTS ARE ASPECTS WHICH DESERVE SPECIAL INTEREST, AS WELL AS THE POSSIBLE ELECTROCHEMICAL REACTIONS DUE TO STRAY CURRENTS TRAVELLING THROUGH THE REINFORCEMENTS OF THE STRUCTURE. /AUTHOR/

  • Supplemental Notes:
    • Vol 19, No 179, PP 101-118
  • Authors:
    • Calleja, J
  • Publication Date: 1966-4

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  • Accession Number: 00208380
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Jan 16 1994 12:00AM