Table 3 Testing results
From: Incorporation of untreated rice husk ash and water treatment sludge in masonry unit production
Specimen | Density (kg m−3) | Water absorption (%) | Porosity (%) | Sorptivity (g mm−2 min-0.5) | Compressive Strength (MPa) |
|---|---|---|---|---|---|
Trial 1 | 2130 (0.6) | 7.7 (3.9) | 16.4 (3.3) | 0.0014 (7.2) | 22.3 (2.1) |
Trial 2 | 2107 (3.3) | 7.8 (1.5) | 16.5 (1.6) | 0.0013 (15.3) | 22.8 (8.9) |
Trial 3 | 2162 (0.9) | 7.2 (3.3) | 15.6 (2.5) | 0.0013 (15.3) | 23.0 (5.2) |
Trial 4 | 2182 (0.3) | 6.8 (2.5) | 14.9 (2.3) | 0.0014 (7.2) | 24.7 (2.8) |
Trial 5 | 2076 (1.1) | 7.9 (1.4) | 16.4 (0.9) | 0.0013 (15.3) | 20.9 (2.7) |
Trial 6 | 2057 (1.3) | 7.0 (3.1) | 14.3 (2.6) | 0.0014 (7.2) | 17.2 (2.6) |
Trial 7 | 2022 (0.3) | 7.9 (2.6) | 16.0 (2.3) | 0.0014 (7.2) | 15.8 (5.9) |
Trial 8 | 1886 (0.8) | 9.7 (5.9) | 18.3 (5.2) | 0.0015 (6.7) | 6.8 (8.1) |
Trial 9 | 1716 (0.6) | 13.8 (1.5) | 19.0 (1.6) | 0.0017 (17.6) | 1.5 (14.6) |