Research Article
Effect of Cylinder Size on the Modulus of Elasticity and Compressive Strength of Concrete from Static and Dynamic Tests
Table 2
Summary of test results measured from 100 by 200 mm and 150 by 300 mm cylinders.
| Cylinder size | Mix | Day | | | | | | [MPa] | COV [%] | [GPa] | COV [%] | [m/s] | COV [%] | [Hz] | COV [%] | [Hz] | COV [%] |
| 100 × 200 | Mix 1 | D4 | 7.76 | 0.96 | 9.6 | 3.50 | 3327 | 2.05 | 6845 | 1.32 | 4165 | 1.86 | D7 | 10.3 | 3.64 | 11.6 | 7.70 | 3511 | 1.18 | 7220 | 1.28 | 4455 | 2.38 | D14 | 14.4 | 2.44 | 15.4 | 10.62 | 3855 | 0.82 | 7795 | 1.58 | 4810 | 1.29 | D28 | 18.9 | 5.05 | 15.7 | 5.41 | 4032 | 1.24 | 8420 | 0.66 | 5165 | 1.15 | Mix 2 | D4 | 25.6 | 3.50 | 16.6 | 2.54 | 3803 | 1.10 | 8360 | 0.95 | 5160 | 1.55 | D7 | 29.3 | 3.40 | 17.0 | 2.10 | 4108 | 0.83 | 8570 | 0.53 | 5215 | 0.74 | D14 | 36.7 | 2.25 | 19.1 | 2.44 | 4224 | 1.42 | 8995 | 1.32 | 5455 | 1.19 | D28 | 39.3 | 3.63 | 23.1 | 3.18 | 4375 | 1.25 | 9280 | 0.91 | 5690 | 1.41 | Mix 3 | D4 | 22.9 | 3.79 | 1654 | 4.60 | 3978 | 1.90 | 8365 | 1.17 | 5150 | 1.37 | D7 | 28.2 | 4.59 | 19.8 | 8.21 | 4122 | 0.92 | 8730 | 0.52 | 5335 | 1.32 | D14 | 34.0 | 5.75 | 20.4 | 3.23 | 4261 | 1.21 | 8995 | 1.01 | 5445 | 1.33 | D28 | 40.8 | 5.76 | 22.3 | 5.82 | 4361 | 1.04 | 9185 | 1.96 | 5555 | 3.05 |
| 150 × 300 | Mix 1 | D4 | 7.7 | 2.75 | 10.4 | 7.33 | 3223 | 2.16 | 4585 | 0.98 | 2800 | 0.80 | D7 | 10.1 | 3.63 | 12.2 | 6.56 | 3487 | 1.53 | 4870 | 1.31 | 3015 | 1.66 | D14 | 13.8 | 3.55 | 14.7 | 7.08 | 3723 | 1.39 | 5220 | 1.15 | 3215 | 1.21 | D28 | 19.3 | 4.34 | 15.7 | 5.23 | 3937 | 1.42 | 5600 | 1.38 | 3430 | 1.16 | Mix 2 | D4 | 24.9 | 3.02 | 16.6 | 5.67 | 3934 | 1.47 | 5630 | 1.32 | 3450 | 1.74 | D7 | 29.9 | 2.60 | 17.5 | 3.32 | 4067 | 1.59 | 5730 | 0.89 | 3485 | 1.58 | D14 | 36.9 | 4.37 | 20.9 | 2.26 | 4219 | 0.72 | 6010 | 0.73 | 3645 | 1.29 | D28 | 43.2 | 4.92 | 23.7 | 3.37 | 4296 | 0.99 | 6200 | 0.81 | 3800 | 1.02 | Mix 3 | D4 | 23.1 | 2.33 | 16.9 | 3.44 | 3922 | 1.23 | 5605 | 0.84 | 3435 | 0.93 | D7 | 29.0 | 1.50 | 18.7 | 2.22 | 4056 | 0.84 | 5825 | 1.10 | 3535 | 1.10 | D14 | 39.7 | 2.84 | 21.5 | 7.09 | 4192 | 0.97 | 6060 | 0.81 | 3675 | 0.91 | D28 | 44.4 | 4.47 | 21.3 | 7.21 | 4295 | 0.63 | 6260 | 1.17 | 3820 | 1.33 |
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