Inspection and maintenance of post-tensioned tendons should be considered regular interventions for bridges and should always be carried out by a post-tensioning specialist that has an in-depth understanding and knowledge of the system. Some challenges of intervening with post-tensioned tendons are high forces, not being able to see the corrosion and ensuring safety. A variety of NDT and repair techniques are available, and it is essential to find the one that is best applicable to the structure’s condition and the post-tensioning system. With an increased interest in preserving existing bridges, the guarantee of well-inspected and well-maintained tendons becomes even more critical.

• What are the particularities for inspections of post-tensioned tendons?
• What are the challenges and must-knows?
• What different types of maintenance needs can you find?
• How do you repair post-tensioned tendons?

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