Case Study
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Concrete Curing Case Study
However, in this case, it is likely that the slab will attain suicient
strengths in the time required, and this particular slab was not
elevated so there is little risk of collapse regardless. It is useful to
always use common sense when relying entirely on test cylinders
for early-age strength estimates. Better still, utilizing an in-situ
monitoring system would allow direct comparisons between the
strengths of all areas and sample types.
For this test, the test cylinders were cured under mostly ideal
laboratory conditions, but that would mean that they would attain
higher strengths than the in-place concrete under the standard
blankets. That dierence would get even greater once the blankets
are removed and the concrete equilibrates to ambient conditions
aer a few days. Higher cylinder vs. in-place strengths can lead to
construction disasters, so caution is urged.
Test Cylinder