Post Tension Flashcards
1
Q
Until concrete hardens to ______Compressive Strength the tendon ______ be stressed
A
75% , cannot - 8
2
Q
Why is high density polyethylene sheathing used?
A
To Protect The Cable From Abrasion - 13
3
Q
When is a member Partially Prestresed?
A
if tensile stresses are allowed to be produced under work load -17
4
Q
How do you you protect sheathing during the unloading process?
A
By Cradling The Coils With Nylon Straps - 27
5
Q
Cables 6” From Penetrations, Vertical Deviations Table page_______
A
30
6
Q
12” For Jack, Cable Diameters .5” & .6” Figure page______
A
34
7
Q
To Resist Reverse Curvature?
A
Use More Supports - 37