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Table 3 Testing results

From: Incorporation of untreated rice husk ash and water treatment sludge in masonry unit production

Specimen Density (kgā€‰māˆ’3) Water absorption (%) Porosity (%) Sorptivity (g mmāˆ’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)