• Series 1: RCC with Porac Sand as Fine Aggregate (RCCPS) | ||||||||||
Mix Code | Water (kg) | Cement Type I (kg) | Porac Sand (kg) | Mine Tailings (PCGMT) (kg) | Gravel (20 - 25 mm) (kg) | Average Compressive Strength (MPa) | ||||
7 days | 28 days | 63 days | ||||||||
S1/200 | 83 | 200 | 966 | - | 1190 | 6.40 | 7.40 | 10.70 | ||
S1/300 | 100 | 300 | 854 | - | 1190 | 16.30 | 16.90 | 20.70 | ||
S1/400 | 116 | 400 | 741 | - | 1190 | 30.10 | 33.20 | 38.40 | ||
S1/500 | 130 | 500 | 633 | - | 1190 | 35.20 | 37.40 | 44.90 | ||
• Series 2: RCC with Philex Copper-Gold Mine Tailings as Fine Aggregate (RCCCGMT) | ||||||||||
Mix Code | Water (kg) | Cement Type I (kg) | Porac Sand (kg) | Mine Tailings (PCGMT) (kg) | Gravel (20 - 25 mm) (kg) | Average Compressive Strength (MPa) | ||||
7 days | 28 days | 63 days | ||||||||
S2/200 | 112 | 200 | - | 1003 | 1227 | 8.30 | 9.70 | 10.30 | ||
S2/300 | 118 | 300 | - | 919 | 1227 | 15.30 | 17.80 | 20.00 | ||
S2/400 | 125 | 400 | - | 842 | 1227 | 21.70 | 25.50 | 28.50 | ||
S2/500 | 132 | 500 | - | 742 | 1227 | 24.80 | 28.50 | 32.70 | ||