Subject: Re: compressive strength testing on cored concrete -
From: "Alex C. Nacionales" <alexcnac(--nospam--at)easycom.net>
Date: Tue, 25 May 1999 05:12:57 +0800
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 -----
Sent: Tuesday, May 25, 1999 12:45 AM
Subject: compressive strength testing on cored concrete -
> 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
> 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