Yearly Archives: 2011
The importance of clean anchor cavities
Having clean anchor cavities is one of the most important part of getting proper elongations of unbonded post-tensioning tendons. Since construction is not the cleanest of jobs, there may be debris inside the PT anchor cavity. A major cause of … Continue reading
PTI Certified Plant – AMSYSCO 2011
AMSYSCO, Inc. passed its first unannounced Plant Inspection in the 2011 calender. The certification program is overseen by the Post-Tensioning Institute. “Certification of Plants Producing Unbonded Single Strand Tendons—Launched in 1989, the first program, Unbonded Single Strand Tendon Fabrication Facilities, … Continue reading
Video : Stressing Unbonded Post Tension Tendon
This short video show the stressing an unbonded post-tensioning tendon with a hydraulic jack (8-inch stroke). This tendon was roughly 130 feet long so it required two strokes. The elongation for a 100-foot-long tendon is roughly 8 inches. Refer to … Continue reading