Using the ACI and DoE mix design methods, design a concrete mix for an application requiring a characteristic strength of 40MPa at 28 days and a slump of 10-30 mm.
The materials available are:
OPC- Uncrushed fine and coarse aggregate
S.G. of aggregate=2.68
Max. Nominal size of c.aggregate =10mm
F.agg. confirms to grading Zone III.
Concrete is likely to be exposed to moderate climate.
Standard dev. 6.3, defective rate=5%,prob.factor k=1.65
(Appropriate assumption for any missing data and applied charts is required
Sun | Mon | Tue | Wed | Thu | Fri | Sat |
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29 | 30 | 1 | 2 | 3 | 4 | 5 |
6 | 7 | 8 | 9 | 10 | 11 | 12 |
13 | 14 | 15 | 16 | 17 | 18 | 19 |
20 | 21 | 22 | 23 | 24 | 25 | 26 |
27 | 28 | 29 | 30 | 31 | 1 | 2 |