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Unbonded Post Tensioning – Preconstruction Checklist
The following is a preconstruction checklist for General Contractors / Construction Managers that can be used for Unbonded Post Tensioning projects. It has saved AMSYSCO, Inc. and its Clients from...
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Material Properties of Post-Tension Strands
The following is a list of basic formulas for 270 ksi, 7-wire Prestressing steel strand (per ASTM-A416) used in Post-Tensioned concrete. _______________________________ Assume 0.5″ diameter strand has...
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Barrier Cable Systems
Barrier Strand (or Barrier Cable) is primarily used in parking structures for vehicular and/or pedestrian restraint along the ramps or perimeter. This restraint system is different from the ‘Cable...
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Post-Tensioning Institute – Sustainability Case Study
The following case study was created and distributed by the members of Post-Tensioning Institute. It details the advantages of using Post-Tensioned concrete reinforcement for buildings. The highlights...
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Unbonded Post Tensioning Checklist for Corrosion Prevention
Due to recent events in the Post-Tensioning industry, AMSYSCO has taken the initiative to develop a checklist to address corrosion of unbonded post-tensioning. The checklist relies on existing...
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White Paper – Encapsulated Post Tensioning
The following document has been written about using Encapsulated Post-Tensioned concrete for corrosive and non-corrosive environments. Download here: White-Paper-Encapsulated-Post-Tensioning White...
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Post Tension Friction-Loss Calculations
The friction-loss calculations are important submittals for post-tensioning tendons. The calculations determine what the tendon’s final force is after short-term and long-term friction losses. The key...
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One Museum Park West (Case Study)
One Museum Park West (Post-Tensioning case study) from Amsysco, Inc. ____________________________________________ Copyright © 2013 by AMSYSCO, Inc. All rights reserved.
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OneEleven – Post Tensioned Transfer Deck
The high-rise building located at 111 W. Wacker Drive in downtown Chicago was formerly known as the ‘Waterview.’ The structure was originally designed as an 89-story luxury hotel located along the...
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