What happens if you forgot to stress an unbonded post-tensioning tendon at the construction joint and have already poured the subsequent pour? . . . → Read More: Missed Stressing Operation
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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 the Post-Tensioning Institute’s “Field Procedures Manual for Unbonded Single-Strand Tendons” Chapter 6 for additional information. . . . → Read More: Video : Stressing Unbonded Post Tension Tendon This short clip shows how to apply paint-marks prior to stressing of post-tension tendons. It’s recommended to use a straight-edge, metal to help with elongation measurements. Refer to the Post-Tensioning Institute’s “Field Procedures Manual for Unbonded Single-Strand Tendons” Chapter 7 for additional information. _________________________________________________ Copyright © 2011 by AMSYSCO, Inc. All rights reserved. . . . → Read More: Video : Applying paint mark for Tendon Elongation As a post-tensioning inspector or installer, have you ever been in a situation whether you are unsure whether some PT tendons have been stressed? By not having a PT tendon stressed, this could have detrimental effects on the structure. Here are three pointers that may help you out: 1. PAINT-MARKS : Compare the location of the . . . → Read More: How do I know if my Post-Tensioning Tendons have been stressed? |
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