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. . . . → Read More: Material Properties of Post-Tension Strands

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

The steel strand is moving at over 200 feet per minute in the extrusion machine. . . . → Read More: VIDEO: Plastic Extrusion of PC Strand for Unbonded Post-Tensioning

Commercial Construction 2010

Unfortunately, any recovery in the construction industry may be deferred until 2012. . . . → Read More: Commercial Construction 2010

5 Facts about Post Tensioning

Here are 10 facts about Unbonded Post Tensioning.

1. One tendon consists of:

A high-strength steel strand (ASTM-416) PT coating (“grease”) Plastic sheathing (HDPE) Watch our YouTube video about how to make a PT tendon.

2.  The high-strength steel strand has 6-wires braided around 1 king-wire (total of 7-wires).  The “braiding-action” helps to strengthen the steel, similiar to hair.

3. . . . → Read More: 5 Facts about Post Tensioning

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