Category Archives: Video

VIDEO: Plastic Extrusion of PC Strand for Unbonded Post-Tensioning

Posted on January 28, 2010 by Neel Khosa

This video shows the Plastic Extrusion process for Unbonded Post-Tensioning.  Raw materials include steel PC Strand, corrosion-inhibiting Post Tensioning coating and HDPE plastic with color concentrate. The steel strand is moving at over 200 feet per minute in the extrusion … Continue reading →

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VIDEO: Chicago Model City

Posted on October 27, 2009 by Neel Khosa

I visited the “Chicago Model City” exhibit this weekend.  The 3-D architectural models gave me a great birds-eye-view of downtown Chicago.  The great thing was that I could see a lot of our Post Tensioned High-Rise Buildings within a 320 square-foot … Continue reading →

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VIDEO: Field Friction Test for Post Tension Tendons

Posted on October 7, 2009 by Neel Khosa

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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