Why do you think the initial prestressing forced is reduced to the effective prestressing force? 1

[adoorable]

Why do you think the initial prestressing forced is reduced to the effective prestressing force during service loads? What do you think are the factors that contribute to the decrease in prestressing force?

 

[r13]

There are quite a few sources of prestress losses. You can check out from a textbook, or google "prestress loss" online.

 

[BAretired]

Check this out:

https://www.slideshare.net/ManjuParanthaman/7-losses-in-prestress

BA

 

[MIStructE_IRE]

Ever tune a guitar with new strings?

 

[r13]

MI,

Partially correct.

 

[MIStructE_IRE]

I know there are many other reasons Ither than initial relaxation. As a guitarist I just like the analogy