EVALUATION OF EXISTING STRUCTURES

4.1  Thickness of elements

4.2  Chloride ion profiling

4.3  Depth of carbonation

4.4  Corrosion activity

4.5  Corrosion mitigation

4.6  Remaining alkali content (equiv . Na2O/m3)

4.7  Integrity of cable duct injection and corrosion of strands

4.8  Voids, e.g. behind slabs, industrial floors and tunnel lining elements

4.9  Membrane failure

4.10  Strength for structural capacity

4.11  Cracking evaluation

4.12  Water tightness of joints

4.13  Air-Void structure

4.14  Crack movement

4.15  Bond strength

4.16  Internal defects

4.17  Delamination detection

4.18  Asphalt overlay de-bonding of bridge slabs

4.19  Curling

4.20  ASR

4.21  Reinforcement location and size

4.22  Pile integrity

4.23  Removal of cores