Table 6 Porosity, permeability coefficients and compressive strength with coefficient of variations (COVs) of five groups
Groups | Porosity | Permeability coefficients | Compressive strength | |||||
|---|---|---|---|---|---|---|---|---|
7d | 28d | |||||||
Average value (%) | COV (%) | Average value (cm/s) | COV (%) | Average value (MPa) | COV (%) | Average value (MPa) | COV (%) | |
A | 17.40 | 1.15 | 0.61 | 8.20 | 9.63 | 5.61 | 15.26 | 2.56 |
B | 20.10 | 2.99 | 0.89 | 11.24 | 8.87 | 8.46 | 13.47 | 2.67 |
C | 21.30 | 2.35 | 1.05 | 7.62 | 8.37 | 11.95 | 11.53 | 3.99 |
D | 23.30 | 3.43 | 1.19 | 7.56 | 6.59 | 13.66 | 8.13 | 4.92 |
E | 25.90 | 3.86 | 1.32 | 5.30 | 5.14 | 19.46 | 5.97 | 14.24 |