Return to index: [Subject] [Thread] [Date] [Author]

Re: compressive strength testing on cored concrete -

[Subject Prev][Subject Next][Thread Prev][Thread Next]
Thomas,
What's wrong with 3000 psi concrete. It is a minumum allowed by the code.


Alex C. Nacionales, C.E.
A.C. Nacionales Construction
Iloilo City, Philippines

----- Original Message -----
From: <Tom.Hunt(--nospam--at)fluordaniel.com>
To: <SEAINT(--nospam--at)seaint.org>
Sent: Tuesday, May 25, 1999 12:45 AM
Subject: compressive strength testing on cored concrete -


>      Steve,
>
>      For the early 1950's, 2500 psi concrete was probably not unusual.  In
>      fact I see 2500 psi and 3000 psi today in some of our client
>      specifications (personally I would not recommend it!).
>
>      You also might check the core testing reports.  I assume you followed
>      ASTM C42 for the core testing.  If so, there are requirements for
>      length to diameter ratios and if you are outside these ratios you
need
>      to apply correction factors.  There are also some "coefficients of
>      variation" you may need to apply.
>
>      Thomas Hunt, S.E.
>      Fluor Daniel
>
>
> ______________________________ Forward Header
__________________________________
> Subject: compressive strength testing on cored concrete -
> Author:  STEVE BIAN <sbian(--nospam--at)yahoo.com> at fdinet
> Date:    5/21/99 11:36 AM
>