Tag Archives: Unbonded

Download: Stressing Elongation Form

Please download AMSYSCO’s ‘Master Stressing Record’ Stressing-Record(Click here to download).  The form is used for recording elongations for Unbonded Post Tensioning. This form is for Inspectors and Installers certified by the Post Tensioning Institute.  Check out our VIDEO for the basics in stressing post tensioning tendons. … Continue reading

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Unbonded Post Tensioning – Protection

Lately, a lot of focus has been given to the technical aspects of unbonded post-tensioning systems.  At times, however, the construction team must not forget the basic performance issues involved with post tensioning.  In particular, the proper protection of unbonded post-tensioning tendons is fundamental … Continue reading

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VIDEO: Field Friction Test for Post Tension Tendons

This educational video from AMSYSCO, Inc. shows the process for determining the Friction Coefficients. Post Tensioning Institute (definitions): Friction Loss:  the loss of stress (force) in a prestressing tendon resulting from friction created between the strand and sheathing during stressing. … Continue reading

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