Test Methods and Specifications

Cover of Post-tensioning of Concrete
Post-tensioning of Concrete
  • Publication no: ATS-5327-26
  • Published: 1 October 2026
  • Edition: 1.1

Austroads Technical Specification ATS 5327 sets out the requirements for the post-tensioning of concrete bridge elements, including supply of System Components, installation, stressing, grouting and corrosion protection of post-tensioning systems. It applies to post-tensioned internal and external prestressing tendons.

The technical specification can also be downloaded as a Word document.

Edition 1.1 published October 2026

  • Clarifies requirements in clause 7.4
  • Clarifies reference in clause 2.1
  • Removes clauses 7.4, 7.5
  • Amends clause Annexure A

Superseded editions

Edition 1.0 published October 2023

  • 1. Scope
  • 2. Referenced Documents
  • 3. Definitions
  • 4. Quality System Requirements
  • 5. Safety
  • 6. Personnel
  • 7. Supply of Post-Tensioning System Components
  • 8. Provisions for External Prestressing
  • 9. Installation of Internal Ducts and System Components
  • 10. Installation of Tendons
  • 11. Concrete Work
  • 12. Preparation for Stressing
  • 13. Stressing Operations
  • 14. Grouting
  • 15. Protection of Anchorages
  • Annexure A:Summary of Hold Points, Witness Points and Records