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Re: Rebar Grades

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Out of curiosity, if the structure is in a good shape, why is rehabilitation required?


> *** Original Message ***
> I am working on rehabilitating a 1950 concrete seawater intake structure
> that was designed per the 1946 Uniform Building Code.  The drawings call
> out for either 2500 psi or 3000 psi concrete and the rebar is called out as
> either square bar for deformed round bars.  Does any know what rebar grades
> were used in this time period?  I know 40 ksi rebar has been around for a
> long time but as grey as my hair is this is before my time.  I might add
> that this structure is in amazingly good shape with little deterioration.
> Goodos for our fathers and grandfathers.
> Thomas Hunt, S.E.
> Duke/Fluor Daniel