Civil Engineering Reference
In-Depth Information
FIGURE 7.30
Compressive strength test.
than in small specimens. In general, large specimens have less variability
and better representation of the actual strength of the concrete than small
specimens. Therefore, the 0.15-m by 0.30-m (6-in. by 12-in.) size is the most
suitable specimen size for determining the compressive strength. However,
some agencies use 0.10-m (4-in.) diameter by 0.20-m (8-in.) high specimens.
The advantages of using smaller specimens are the ease of handling, less
possibility of accidental damage, less concrete needed, the ability to use a
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