Post-Tensioned Concrete Repair
Post-tensioned Concrete CorrosionThe principal cause of corrosion of post-tension tendons is the presence of moisture and air voids around the strands. Moisture infiltration can occur from numerous sources including initial construction, ground water, roof leakage, and poor quality grout pockets. Left unattended, corrosion can lead to cable failure, cable eruptions and costly tendon repair and replacement.
Vector Corrosion Technologies offers many solutions for post-tension corrosion such as:
- Post-tech® PT Corrosion Evaluation system is used to determine the risk of corrosion in unbonded post-tension tendons.
- Post-Tech® PT Cable Break Detection system is used to detect broken post-tension strands.
- Post-tensioned corrosion can be mitigated using
- Non-encapsulated steel such as anchorages can be protected galvanically with Galvashield® XP and Galvashield® CC embedded galvanic anodes as well as surface mounted Galvanode® ZincSheet.