Do the ACI load factors depend on the late gain strength of concrete?
Specific question:
Both Field and Labortory test come back below strength at about 85% of fc'(28 day). Testing at 56 days shows that the strenth is about 90% of desing strength.
Knowing that there is still some design...
I am working on a project with an elevated mechanical platform that requires a guardrail and kickplate.
During inspection I noted that the guardrail and kickplate end 12" from a wall perpendicular to the direction of the rail.
Reviewing OSHA and IBC codes I can not find a requirement for the...