Concrete
Concrete
Concrete
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Gaps Addressed<br />
by IPRF Studies<br />
<strong>Concrete</strong> flexural strength<br />
‣ Basis: The numerous varia<br />
bles encountered in the process<br />
of determining flexural strength of concrete, using ASTM<br />
C-78, are well documented as sources of error.<br />
‣ No documented attempt to measure a precision statement<br />
for field cured specimens; or, what is the impact of the<br />
initial steps in determining the flexural strength of batch<br />
concrete