Category Archives: Post Tension
Updated PTI Specification Requiring Encapsulated Tendons
The following is a press release from the Post-Tensioning Institute which requires the use of Encapsulated Tendons for all unbonded PT buildings subject to ACI-318. Release: NEW PTI SPECIFICATION UPDATE REQUIRES THE USE OF ENCAPSULATED TENDONS FARMINGTON HILLS, MI … Continue reading
Missed Stressing Operation
Q: What happens if you forgot to stress an unbonded post-tensioning tendon at the construction joint and have already poured the subsequent pour? A: The most preferred option is to stress the tendon in the subsequent pour. However, the following … Continue reading
Detensioning Unbonded Post-Tension Tendons
On rare occasions, the ironworker/installer will need to detension an already-stressed post tensioning tendon. The reason may be due to a repair procedure or re-stressing due to out-of-range elongation readings. Recommendations: During the detensioning process, the post-tensioning tendon will have … Continue reading