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Table 3 Test results I

From: Roles of mortar volume in porosity, permeability and strength of pervious concrete

Mix no. Interconnected porosity (%) Open porosity (%)
Mean Std. deviation Mean Std. deviation
15–0.25 29.8 1.64 30.0 0.98
15–0.30 29.5 2.09 29.7 1.23
15–0.35 28.7 1.40 29.6 1.33
15–0.40 28.6 1.79 29.5 1.05
20–0.25 27.0 0.82 27.9 1.34
20–0.30 25.9 1.47 26.2 0.74
20–0.35 24.7 1.31 25.4 1.16
20–0.40 24.3 1.34 24.8 0.94
25–0.25 21.1 0.67 22.7 1.11
25–0.30 18.2 1.26 19.4 0.93
25–0.35 18.0 1.11 19.3 0.78
25–0.40 14.1 0.67 16.0 0.62
30–0.25 15.4 0.41 18.0 0.90
30–0.30 12.6 0.92 12.8 0.66
30–0.35 10.0 0.62 10.7 0.45
30–0.40 6.4 0.39 9.4 0.22
35–0.25 6.2 0.40 8.9 0.41
35–0.30 4.9 0.31 6.3 0.29
35–0.35 3.4 0.22 4.5 0.22
35–0.40 0.0 0.00 3.0 0.25
40–0.25 0.0 0.00 4.9 0.36
40–0.30 0.0 0.00 1.9 0.21
40–0.35 0.0 0.00 1.8 0.08
40–0.40 0.0 0.00 1.2 0.09