I need to evaluate an existing building that was designed in 1958. A-30, A-37.5 and A-50 concretes were specified. Does anyone know the strengths? Thanks.
It appears that the minimum wall thickness (1/30) requirement for nonbearing walls in Section 14.6.1 of ACI318-05 is for wall designed by Empirical Design Method only (14.5), because there is no thickness limit if the wall is designed by Section 14.4 or 14.8. Can anyone confirm this and/or...