Research Article
Development of a Correlation between the Resilient Modulus and CBR Value for Granular Blends Containing Natural Aggregates and RAP/RCA Materials
Table 5
A comparison of measured and estimated MR values along with CBR values.
| | Material/Blend | Dry unit weight achieved (kN/m3) | CBR (%) | Total axial stress (kPa) | Estimated bulk stress in CBR test (kPa) | MR values measured/projected (MPa) | MR values estimated (MPa) |
| | 100% A | 21.1 | 65 | 978.0 | 1663 | 550 | 584 | | 100% F | 22.1 | 74 | 1113.0 | 1892 | 600 | 631 | | 100% W | 22.4 | 85 | 1278.0 | 2173 | 670 | 685 | | 100% RCA | 19.2 | 53 | 798.0 | 1357 | 410 | 518 | | 75% A + 25% RAP(1) | 20.7 | 47 | 708.0 | 1204 | 470 | 482 | | 50% A + 50% RAP(1) | 20.5 | 31 | 468.0 | 796 | 300 | 377 | | 25% A + 75% RAP(1) | 20.2 | 22 | 333.0 | 566 | 280 | 308 | | 75% A + 25% RAP(2) | 20.3 | 55 | 828.0 | 1408 | 505 | 529 | | 50% A + 50% RAP(2) | 20.8 | 39 | 588.0 | 1000 | 410 | 432 | | 25% A + 75% RAP(2) | 21.3 | 17 | 258.0 | 439 | 260 | 264 | | 75% A + 25% RAP(3) | 20.1 | 51 | 768.0 | 1306 | 490 | 506 | | 50% A + 50% RAP(3) | 20.5 | 30 | 453.0 | 770 | 315 | 370 | | 25% A + 75% RAP(3) | 19.9 | 19 | 288.0 | 490 | 310 | 282 | | 75% A + 25% RAP(4) | 19.7 | 55 | 828.0 | 1408 | 505 | 529 | | 50% A + 50% RAP(4) | 19.8 | 43 | 648.0 | 1102 | 402 | 458 | | 25% A + 75% RAP(4) | 19.2 | 27 | 408.0 | 694 | 252 | 347 | | 75% F + 25% RAP(1) | 20.8 | 52 | 783.0 | 1331 | 538 | 512 | | 50% F + 50% RAP(1) | 21.3 | 41 | 618.0 | 1051 | 455 | 445 | | 25% F + 75% RAP(1) | 20.1 | 14 | 213.0 | 362 | 356 | 235 | | 75% F + 25% RAP(2) | 20.5 | 59 | 888.0 | 1510 | 525 | 552 | | 50% F + 50% RAP(2) | 19.9 | 48 | 723.0 | 1229 | 407 | 488 | | 25% F + 75% RAP(2) | 19.7 | 31 | 468.0 | 796 | 408 | 377 | | 75% F + 25% RAP(3) | 20.1 | 62 | 933.0 | 1586 | 667 | 568 | | 50% F + 50% RAP(3) | 19.2 | 41 | 618.0 | 1051 | 516 | 445 | | 25% F + 75% RAP(3) | 20.8 | 19 | 288.0 | 490 | 343 | 282 | | 75% F + 25% RAP(4) | 21.3 | 43 | 648.0 | 1102 | 515 | 458 | | 50% F + 50% RAP(4) | 20.1 | 32 | 483.0 | 821 | 490 | 384 | | 25% F + 75% RAP(4) | 21.3 | 13 | 198.0 | 337 | 278 | 225 | | 75% W + 25% RAP(1) | 20.8 | 51 | 768.0 | 1306 | 510 | 506 | | 50% W + 50% RAP(1) | 20.5 | 44 | 663.0 | 1127 | 500 | 464 | | 25% W + 75% RAP(1) | 19.9 | 16 | 243.0 | 413 | 240 | 255 | | 75% W + 25% RAP(2) | 19.7 | 55 | 828.0 | 1408 | 502 | 529 | | 50% W + 50% RAP(2) | 19.9 | 31 | 468.0 | 796 | 438 | 377 | | 25% W + 75% RAP(2) | 21.3 | 12 | 183.0 | 311 | 265 | 215 | | 75% W + 25% RAP(3) | 20.1 | 48 | 723.0 | 1229 | 520 | 488 | | 50% W + 50% RAP(3) | 21.3 | 35 | 528.0 | 898 | 447 | 405 | | 25% W + 75% RAP(3) | 20.7 | 21 | 318.0 | 541 | 255 | 299 | | 75% W + 25% RAP(4) | 20.5 | 45 | 678.0 | 1153 | 480 | 470 | | 50% W + 50% RAP(4) | 19.9 | 34 | 513.0 | 872 | 473 | 398 | | 25% W + 75% RAP(4) | 19.2 | 9 | 138.0 | 235 | 213 | 181 | | 75% RCA + 25% RAP(1) | 20.8 | 38 | 573.0 | 974 | 486 | 425 | | 50% RCA + 50% RAP(1) | 21.3 | 23 | 348.0 | 592 | 330 | 316 | | 25% RCA + 75% RAP(1) | 20.1 | 12 | 183.0 | 311 | 187 | 215 | | 75% RCA + 25% RAP(2) | 21.3 | 38 | 573.0 | 974 | 525 | 425 | | 50% RCA + 50% RAP(2) | 20.1 | 31 | 468.0 | 796 | 356 | 377 | | 25% RCA + 75% RAP(2) | 21.4 | 14 | 213.0 | 362 | 200 | 235 | | 75% RCA + 25% RAP(3) | 20.1 | 32 | 483.0 | 821 | 447 | 384 | | 50% RCA + 50% RAP(3) | 20.5 | 15 | 228.0 | 388 | 226 | 245 | | 25% RCA + 75% RAP(3) | 19.9 | 9 | 138.0 | 235 | 148 | 181 | | 75% RCA + 25% RAP(4) | 19.2 | 39 | 588.0 | 1000 | 473 | 432 | | 50% RCA + 50% RAP(4) | 20.1 | 13 | 198.0 | 337 | 200 | 225 | | 25% RCA + 75% RAP(4) | 20.2 | 18 | 273.0 | 464 | 161 | 273 |
|
|
