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BBR VT CONA CMI internal post-tensioning system

BBR VT CONA CMI internal post-tensioning system

 

CONA CMI internal bonded or unbonded post-tensioning system is internationally the most up-to-date and advanced multi-strand PT technology, ranging from 1 to 73 strands. It is typically used for bridges (both cast in-situ and precast), LNG/LPG storage, tanks & silos, nuclear power plants and stadiums. Covered with the European Technical Assessment and CE-marking.

 

CONA CMI BT

CONA CMI BT

CONA CMI SP

CONA CMI SP

 

CONA CMI H and K Coupler (fixed & movable)

CONA CMI H and K Coupler (fixed & movable)

 

 

CONA CMI Electrically Isolated Tendons EIT

CONA CMI Electrically Isolated Tendons EIT

 

Key features:

  • Standard tendon sizes from 1 to 31 strands, larger sizes, up to 73, on request
  • Widest range of tendon sizes with the largest tendon forces available on the international marketplace
  • Optimised for 15.7mm diameter, 1,860 MPa strand
  • The most compact & light-weight system available utilizing an advanced proprietary load transfer element for very small tendon centre spacings and concrete edge distances at the anchorages
  • Application of full post-tensioning force at very low concrete strengths (fcm,0 = 19/23 MPa)
  • Fixed and movable couplers for joining tendons
  • Corrugated or smooth round tendon duct utilizing either galvanized steel or plastic material
  • For bonded applications the ducts are filled with BBR grout
  • For unbonded applications the ducts can be injected with grease/wax or circulating dry air. Greased and HDPE sheathed monostrands in grout filled ducts are also possible
  • Superior cryogenic performance ideal for LNG tank applications
  • Restressable & exchangeable tendons perfectly suited for long-term inspection and maintenance
  • Fully encapsulated and electrically isolated tendons offer the highest level of corrosion protection possible
  • European Technical Assessment and CE marking

 

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