Rebar/welded wire allowable strength
Rebar/welded wire allowable strength
(OP)
I'm working on a retrofit of a structure from '67, in the general notes it calls for rebar with allowable stress of 20ksi. Digging around the forum, I've found this thread http://www.eng-tips.com/viewthread.cfm?qid=258580 with a post by hokie stating 20ksi allowable meant 40ksi actual. I'd like to use 40ksi but I know I'm going to have to justify it to my boss and can't use a forum post for that. Can anyone point in the right direction to substantiate this assumption? The general notes reference the 1954 CSA G30.1 and G30.6, both of which have been long since replaced.






RE: Rebar/welded wire allowable strength
RE: Rebar/welded wire allowable strength
The allowable steel stress in ACI 318-56 was 18,000 psi for Structural Grade and 20,000 psi for Intermediate and Hard Grade.
Intermediate Grade was the usual grade in Toronto, Ontario. I don't remember anyone using Structural Grade in those days.
BA
RE: Rebar/welded wire allowable strength
Link
Link
The greatest trick that bond stress ever pulled was convincing the world it didn't exist.
RE: Rebar/welded wire allowable strength
I hope this helps. Please keep us updated as to the status of this project.