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Estructura Specialised Construction

Post-tensioning for durable bridges

Post-tensioning is a key technique in modern bridge construction, enabling longer spans, slender structures, and enhanced durability under dynamic loads. Beyond system supply, Estructura brings proven expertise in post-tensioning design to ensure optimized structural behavior and long-term performance. From large cable-stayed bridges to multi-span viaducts and railway overpasses, Estructura’s post-tensioning solutions are trusted for their reliability, technical performance, and adaptability to diverse bridge types and site conditions.

Engineering support and system design

  • Preliminary and detailed design of PT systems
  • Feasibility studies and construction method development
  • Integration with segmental, in-situ, and precast bridge structures

Precast and on-site installation and stressing

  • Tendon installation, stressing, and grouting
  • Specialist equipment and supervision for complex site constraints
  • Use of lightweight, modular form travelers for cantilever construction

Inspection, repair, and strengthening

  • Post-tensioning inspections, load testing, and remedial works
  • Replacement or re-stressing of tendons during bridge rehabilitation projects
  • Strengthening solutions using external post-tensioning