precast concrete

[sanjeevkumar123]

how post tensioning calculation is done in slab ?
what is the space between tendons ?
how much stess we applied on single tendon by jacking?
if i want to release tenion in tendon how it works?

 

[BAretired]

Your question is too general for a quick response. Following are a few references you may wish to examine.


Fundamentals of Post-Tensioned Concrete Design for Buildings – Part One
A SunCam online continuing education course

http://www.SunCam.com

Copyright 2018 John P. Miller Page 49 of 49

References
Building Code Requirements for Structural Concrete, ACI 318-08, American
Concrete Institute, 2008.
Notes on ACI 318-08, Portland Cement Association, 2008.
Design of Prestressed Concrete Structures, T.Y. Lin and Ned H. Burns, Third
Edition, John Wiley & Sons, 1981
Design Fundamentals of Post-Tensioned Concrete Floors, Bijan O. Aalami &
Allan Bommer, Post-Tensioning Institute, 1999
Design of Post-Tensioned Slabs Using Unbonded Tendons, Post-Tensioning
Institute, Third Edition, 2004
Post-Tensioning Manual, Post-Tensioning Institute, Fourth Edition, 1985
Precast and Prestressed Concrete, PCI Design Handbook, Precast Concrete
Institute, Third Edition, 1985

BA