Strengthening of Pipelines with Post-Tensioning System

In cases where pipeline segments in need repair cannot be shut down, reinforcing with CTech-LLC®’s TensaPipe™ External Post-Tensioning System is an effective solution to return the deteriorated pipe’s ability to withstand internal pressures.
The TensaPipe™ External Post-Tensioning System utilizes steel tendons helically wrapped around the exterior of an existing pipe.A TensaPipe™ tendon consists of high-strength steel strand, encapsulated by extruded plastic for corrosion protection, and an anchorage assembly. The strand is wrapped around the exterior circumference of host pipe and stressed at the anchorage utilizing hydraulic jacks.
CTech-llc®’s Tensapipe™ external post-tensioning system with its wide variety types of anchorage and strands and rapid installation processis ideally suited for localized repairs of damaged pipe while pipeline remains in service.

Key Features:

  • The TensaPipe™ system engineered to restore full functional capacity of pipelines.
  • The TensaPipe™ system is particularly excellent for PCCP pipe and suitable for other pipe material.
  • The system fits curved and straight pipeline sections
  • No access to the pipe interior required
  • TensaPipe™ system is well-suited for localized repairs while pipeline remains in service
  • Rapid installation process
  • Highly customizable system with wide variety types of anchorage and strands.

Common Applications:

  Buildings Transportation Infrastructure Water & Wastewater Structures Oil, Gas & Industrial Facilities Waterfront Structures
Structural Strengthening        
Concrete Repair          
Corrosion Control & Protection          
Leak Repair          
Force Protection          
Coating and Waterproofing          

Tensa-Pipe™ Components


Product Name Product Description Technical Data Sheet
7 Wire Pre-stressing Strand Seven Cold-Drawn Wires Technical Data Sheet


Product Name Product Description Technical Data Sheet
ENA™ Encircling Anchorage Technical Data Sheet

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