REHABILITATION OF STEEL AND COMPOSITE BRIDGE SUPERSTRUCTURES

The following sections are included:

• Classification of Repair Techniques and Materials

• Corrosion Removal and Surface Cleaning

• Anticorrosion Protection (Coating)

  • Introductory remarks

  • Materials and techniques

• Replacement of Structural Members

• Repair of Deformed Structural Members

  • Allowable deformations

  • Mechanical repair

  • Thermal repair (Heating technique)

• Strengthening of Superstructure

  • Introductory remarks

  • General classification of methods

  • Strengthening by enlargement of cross-sections of structural members

  • Strengthening by installation of additional members

  • Strengthening by external post-tensioning

  • Strengthening by change in supporting system

  • Strengthening by replacement of structural members

  • Other strengthening methods

  • Strengthening of structural joints

• References