What material is used in PT duct?

PE or PP materials are used for PT Duct.

What is the shape of PT Duct?

The duct used in post-tensioning can have either continuous circular corrugation or intermittent circular corrugation based on whether it is for round or flat profiles. Continuous corrugation is used for round profiles, while intermittent corrugation is suitable for flat profiles. The choice depends on the project requirements and structure shape.

What is the application of PT duct?

The PT Ducts are used for protecting tendons from corrosion.

Is Astral PT Duct UV stabilized?

Yes, a minimum carbon content of ≥ 2% is used for UV stabilization in ducts, providing protection against sunlight and enhancing their durability.

What is the significance of ducts for bonded post-tensioning?

Ducts are integral components of bonded post-tensioning systems, serving the purpose of safeguarding the post-tensioning strands once construction is complete. These ducts provide a protective enclosure for the strands, ensuring their long-term performance and preserving their structural integrity. By housing the post-tensioning strands within the ducts, the potential damage from external elements is minimized, leading to a safer and more reliable post-tensioning system.

What is the purpose of bond test?

To confirm the bond between the duct and grout, pull-out tests can be conducted. This involves applying a force to the duct embedded in grout and measuring the resistance or load required for the duct to be pulled out. This test helps determine the strength of the bond and ensures that the grout effectively adheres to the duct surface. For assessing the bond between the duct and concrete, bond strength tests can be performed. These tests evaluate the adhesion between the duct and the surrounding concrete by subjecting them to shear or pull-out forces. They provide information on the bond strength, ensuring that the duct is securely anchored within the concrete structure. By conducting these tests, engineers and construction professionals can verify the bond characteristics and take necessary measures to ensure the integrity and performance of the bonded post-tensioning system.