1.2 Standard Deviation 1.3 Margin
1.2 Standard Deviation 1.3 Margin
1.2 Standard Deviation 1.3 Margin
1.3 Margin
C1 or 1.64 x 6 = 9.84 N/mm²
specified
Specified OPC
1.4 Target Mean Strength
Crushed
Uncrushed
1.5 Cement Table 1.3,
Figure 2
0.57
1.6 Aggregate type: coarse
Specified Use the lower value
Aggregate type: fine
Modified free- -
water/cement ratio
4 4.1 Relative density of 2.7 (assumed)
aggregate(SSD)
2.5% 15.78 16.73 10.65 0.40 0.43 0.27 38.97 41.30 26.30 9.23 9.78 6.23
5.0% 15.37 16.30 10.37 0.81 0.86 0.55 38.97 41.30 26.30 9.23 9.78 6.23
7.5% 14.97 15.87 10.10 1.21 1.29 0.82 38.97 41.30 26.30 9.23 9.78 6.23
10.0% 14.56 15.44 9.83 1.62 1.72 1.09 38.97 41.30 26.30 9.23 9.78 6.23
Σ 76.86 81.50 51.87 4.04 4.30 2.73 194.85 206.50 131.5 46.15 48.90 31.15
0
Σ + 20% 92.23 97.8 62.24 4.85 5.16 3.28 233.82 247.8 157.8 55.38 58.68 37.38
of wastage
Grand 252.27 13.29 639.42 151.44
total
Volume of Prismatic for flexural test = 0.10m x 0.10m x 0.50m = 0.005m³
Volume of Cylinder for tensile splitting test = π x (0.075) 2 x 0.30 = 0.0053m³
Volume of cube for compressive test = 0.15m x 0.15m x 0.15m = 0.003375m³