Table 7 Compressive, flexural and tensile strengths of 28-day.
From: The Effect of Fly Ash and Recycled Aggregate on the Strength and Carbon Emission Impact of FRCCs
Mix no. | W/B | Compressive strength (MPa) | Specimen performance (%) | Flexural strength (MPa) | Specimen performance (%) | Tensile strength (MPa) | Specimen performance (%) |
|---|---|---|---|---|---|---|---|
Plain | 0.35 | 47.21 (± 0.32) | – | 6.22 (± 0.22) | – | 0.70 (± 0.16) | – |
 OPC100 | 67.23 (± 0.50) | 100 | 7.18 (± 0.16) | 100 | 1.69 (± 0.17) | 100 | |
 FA25RS25 | 60.56 (± 0.19) | 90.1 (− 9.9) | 6.08 (± 0.13) | 84.7 (− 15.3) | 1.63 (± 0.22) | 96.4 (− 3.6) | |
 FA25RS50 | 51.16 (± 0.40) | 76.1 (− 23.9) | 5.92 (± 0.12) | 82.5 (− 17.5) | 1.49 (± 0.16) | 88.2 (− 11.8) | |
 FA50RS25 | 44.82 (± 0.14) | 66.7 (− 33.3) | 5.68 (± 0.17) | 79.1 (− 20.9) | 1.39 (± 0.29) | 82.2 (− 17.8) | |
 FA50RS50 | 47.20 (± 0.65) | 70.2 (− 29.8) | 5.71 (± 0.27) | 79.5 (− 20.5) | 1.41 (± 0.24) | 83.4 (− 16.6) | |
Plain | 0.45 | 43.53 (± 0.32) | – | 4.55 (± 0.20) | – | 0.95 (± 0.28) | – |
 OPC100 | 45.63 (± 0.35) | 100 | 5.02 (± 0.04) | 100 | 1.32 (± 0.23) | 100 | |
 FA25RS25 | 43.38 (± 0.29) | 95.1 (− 4.9) | 5.28 (± 0.23) | 105.2 (+ 5.2) | 1.39 (± 0.14) | 105.3 (+ 5.3) | |
 FA25RS50 | 43.24 (± 0.40) | 94.8 (− 5.2) | 5.52 (± 0.24) | 110.0 (+ 10.0) | 1.19 (± 0.14) | 90.2 (− 9.8) | |
 FA50RS25 | 31.46 (± 0.49) | 68.9 (− 31.1) | 4.87 (± 0.23) | 97.0 (− 3.0) | 1.04 (± 0.11) | 78.8 (− 21.2) | |
 FA50RS50 | 34.38 (± 0.28) | 75.3 (− 24.7) | 4.51 (± 0.09) | 89.8 (− 10.2) | 1.08 (± 0.17) | 81.8 (− 18.2) |