Table 5.
Composition, physical and thermal characteristic of samples [46]
| Groups | Water | Cement | Recycled coarse aggregate 5–10 mm | Natural coarse aggregate 5–10 mm | Recycled fine aggregate 0–5 mm | Natural fine aggregate 0–5 mm | Natural aggregate >10 mm | Recycled concrete aggregate >10 mm | Thermal conductivity (Wm−1 K−1) | Density (kg m−3) |
|---|---|---|---|---|---|---|---|---|---|---|
| RAC-1 | 130 | 325 | 395 | 592 | 263 | 395 | – | – | 1.0568 | 1955 |
| RAC-2 | 130 | 289 | 706 | 303 | 471 | 202 | – | – | 0.8336 | 1794 |
| RAC-3 | 130 | 260 | 1036 | – | 684 | – | – | – | 0.7392 | 1619 |
| RAC-4 | 140 | 350 | 676 | 290 | 644 | – | – | – | 0.8262 | 1768 |
| RAC-5 | 140 | 311 | 989 | – | 264 | 396 | – | – | 0.8464 | 1868 |
| RAC-6 | 140 | 280 | 403 | 605 | 470 | 202 | – | – | 0.9358 | 1903 |
| RAC-7 | 150 | 375 | 945 | – | 441 | 189 | – | – | 0.7350 | 1788 |
| RAC-8 | 150 | 333 | 388 | 582 | 647 | – | – | – | 0.9300 | 1832 |
| RAC-9 | 150 | 300 | 693 | 297 | – | 396 | – | – | 0.9348 | 1871 |
| RbC-1 | 130 | 325 | – | – | 658 | – | 987 | – | 1.0114 | 1981 |
| RbC-2 | 130 | 325 | – | – | 658 | – | 494 | 494 | 0.7678 | 1760 |
| RbC-3 | 130 | 325 | – | – | 658 | – | – | 987 | 0.8148 | 1617 |
| LRC-1 | 130 | 325 | 592 | 395 | 395 | 263 | – | – | 1.3990 | 2195 |
| LRC-2 | 130 | 325 | 296 | 691 | 197 | 461 | – | – | 1.0848 | 2094 |
| LRC-3 | 130 | 325 | – | 987 | – | 658 | – | – | 1.0114 | 1981 |