From: Roles of mortar volume in porosity, permeability and strength of pervious concrete
Mix no. | Unsubmerged permeability coefficient (mm/s) | Submerged permeability coefficient (mm/s) | Cube strength (MPa) | |||
---|---|---|---|---|---|---|
Mean | Std. deviation | Mean | Std. deviation | Mean | Std. deviation | |
15–0.25 | 12.57 | 0.32 | 16.85 | 0.66 | 10.2 | 0.43 |
15–0.30 | 12.25 | 0.33 | 16.55 | 0.66 | 12.4 | 0.39 |
15–0.35 | 12.19 | 0.19 | 16.32 | 0.33 | 12.7 | 0.59 |
15–0.40 | 12.05 | 0.24 | 16.24 | 0.41 | 12.5 | 0.14 |
20–0.25 | 10.77 | 0.59 | 12.21 | 0.39 | 12.5 | 0.37 |
20–0.30 | 9.74 | 0.23 | 11.50 | 0.32 | 17.1 | 0.43 |
20–0.35 | 9.34 | 0.09 | 11.32 | 0.22 | 21.0 | 0.50 |
20–0.40 | 7.67 | 0.21 | 10.21 | 0.17 | 20.2 | 0.66 |
25–0.25 | 7.85 | 0.15 | 9.45 | 0.23 | 19.8 | 0.73 |
25–0.30 | 4.55 | 0.33 | 5.38 | 0.20 | 25.7 | 0.98 |
25–0.35 | 3.66 | 0.15 | 5.21 | 0.16 | 26.9 | 0.75 |
25–0.40 | 1.86 | 0.08 | 2.72 | 0.14 | 23.9 | 0.60 |
30–0.25 | 1.52 | 0.07 | 1.88 | 0.10 | 25.9 | 0.69 |
30–0.30 | 1.02 | 0.02 | 1.62 | 0.06 | 31.5 | 0.73 |
30–0.35 | 0.79 | 0.03 | 1.23 | 0.04 | 39.1 | 0.70 |
30–0.40 | 0.41 | 0.02 | 0.47 | 0.03 | 37.1 | 0.75 |
35–0.25 | 0.51 | 0.02 | 0.79 | 0.06 | 38.4 | 1.08 |
35–0.30 | 0.49 | 0.02 | 0.75 | 0.03 | 46.2 | 0.64 |
35–0.35 | 0.48 | 0.02 | 0.70 | 0.02 | 50.8 | 0.45 |
35–0.40 | 0.00 | 0.00 | 0.00 | 0.00 | 47.8 | 0.91 |
40–0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 51.8 | 1.24 |
40–0.30 | 0.00 | 0.00 | 0.00 | 0.00 | 59.2 | 1.44 |
40–0.35 | 0.00 | 0.00 | 0.00 | 0.00 | 71.9 | 1.44 |
40–0.40 | 0.00 | 0.00 | 0.00 | 0.00 | 64.5 | 0.92 |