The problem with this is that most people do not weigh their
ingredients to make a mix. So it will be hard to get a consistent
result that a code official is going to be willing to look at. Small
changes can make big differences in test results.
Cylinder break tests (compressive strength testing) might work for
this but there may be a better test in ASTM. I work the Public Works
end of it so I am not sure exactly what testing would be correct from
a building code standpoint.
On 10/20/09, doris <dorisburton03@gmail.com> wrote:
> When it comes to testing we need a graph that shows strength vs cement
> perchantage.
>
>
--
Robert Morger
Central Texas
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