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Tendon Losses Evaluation

 

Both instant and long term losses are calculated by PT3D. They comprise of the following components:


Instant Losses

  • Anchorage losses
  • Friction losses
  • Draw-in losses (live end only)
  • Elastic in concrete

Long Term Losses

  • Creep losses
  • Shrinkage losses
  • Relaxation losses

Losses charts, tendon uplift calculations and a report are generated after the evaluation. Users can then examine some parametric results such as P/A, transfer stresses and service stresses.

 

 

 

 

 

PT3D is a programme for the analysis and design of post-tensioned concrete slabs. Slabs of any shape and orientation can be modelled including suspended slabs and slab-on-ground. Tendons are easily defined and edited and can be modelled in any direction. Two-way tendon action is automatically considered. Using advanced finite element analysis PT3D gives extremely accurate results required for efficient design.

 

 

 

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