Table 3 Characteristic compressive strengths (first line, in MPa), average strengths and standard deviation (second line, in MPa) for concrete produced with aggregates from different mineralogical origins and water/cement (W/C) ratios
W/C ratio | Aggregate mineralogical origins | |||
|---|---|---|---|---|
Basalt | Limestone | Gneiss | granite | |
0.5 | 18.3 | 21.7 | 22.0 | 27.1 |
(21.3; 2.0) | (26.3; 2.4) | (24.8; 2.1) | (30.3; 1.7) | |
0.7 | 12.5 | 18.0 | 20.0 | 12.5 |
(15.1; 1.3) | (21.0; 1.7) | (23.0; 1.9) | (16.4; 2.2) | |
0.9 | 8.0 | 9.3 | 12.2 | 6.3 |
(11.6; 1.8) | (10.6; 0.7) | (14.0; 0.9) | (10.2; 1.8) | |
1.0 | 8.8 | 8.4 | 9.6 | 7.7 |
(9.8; 0.6) | (9.8; 0.8) | (11.3; 0.8) | (9.2; 1.1) | |