For New Bridges
For Rehabilitation of Existing Concrete Bridges

Nature of Reinforcing Steel Corrosion in Concrete

1. Corrosion Control in New Concrete Constructions
   1. Adequate Concrete Cover
   2. Quality Concrete
   3. Alternative Reinforcements
      1. Steel Bars with Organic Coating
         1. A Reexamination of the Effectiveness of Epoxy-Coated Rebars in Concrete Structures Exposed to Marine Environment
         2. Assessment of the Performance of Epoxy-Coated Rebars in Bridge Decks
         3. Search for New Corrosion-Resistant Organic-Coated Bars
         4. Cost Impact and Potential Pay-Off from Use of Epoxy-Coated Rebars
      2. Steel Bars with Metallic Coating and Alternative Solid Metal Bars
         1. Galvanized Rebars
         2. Other Cladded Bars and Alternative Solid Metal Bars
         3. Cost Comparison Between Black Steel, Epoxy-Coated, Stainless Steel, and Titanium Bars
         4. Copper-Clad Steel Bars
   4. Corrosion Inhibiting Admixtures
   5. Corrosion Protection of Prestressed Concrete Bridge Members
      1. Field Investigations
      2. Laboratory Investigation
         1. Corrosion-Resistant Grouts
         2. Inspection of Grout Cover Over Prestressing Steel and Voids in the Ducts
2. Corrosion Control for Rehabilitation of Existing Concrete Structures
   1. Conventional Rehabilitation Methods
   2. Cathodic Protection
      1. Impressed-Current CP of Reinforced Concrete Bridge Decks
         1. Coke-Asphalt Anode System
         2. Non-Overlay Slotted Anode System
         3. Conductive Polymer Mound Anode System
         4. Conductive Polymer Anode Overlay
         5. Conductive Polymer-Encased Copper Anode Grid
         6. Activated Titamium Mesh Anodes
      2. Impressed-Current Cathodic Protection of Concrete Bridge Substructural Members
         1. Sprayable Conductive Polymer Coating Anode
         2. Metallized Zinc Coating
         3. Conductive Paints
         4. Conclusions on the Performance of Various Anodes on Concrete Piers
         5. Present Status of Impressed-Current Cathodic Protection
      3. Galvanic Cathodic Protection of Concrete Bridge Decks
      4. Galvanic Cathodic Protection of Concrete Substructures
         1. Zinc-Hydrogel Anode System
         2. Sprayed Alloy Anode System
      5. Cathodic Protection of Prestressed Concrete Bridge Members
         1. Laboratory Investigations
         2. Field Installations
   3. Electrochemical Removal of Chloride