Curve # | Reference | Material type | Coefficients | ||
A | B | C | |||
1 | Harison (1989) [10] | All − DN > 10 | 2.560 | 1.160 | 363 |
2 | Harison (1989) [10] | All − DN < 10 | 2.540 | 1.120 | 347 |
3 | Webster et al. (1992) [11] | All except CL and CH | 2.465 | 1.120 | 292 |
4 | Ese et al. (1994) [12] | All | 2.438 | 1.065 | 274 |
5 | Webster et al. (1994) [13] | CH only | 2.542 | 1.000 | 358 |
6 | Webster et al. (1994) [13] | CL with CBR < 10% | 3.538 | 2.000 | 3452 |
7 | Smith & Pratt (1983) [14] | All | 2.620 | 1.270 | 417 |
8 | Kleyn & v Heerden (1983) [7] | All | 2.560 | 1.150 | 363 |
9 | Seyman (2003) [15] | All | 2.256 | 0.954 | 180 |
10 | Nazzal (2002) [16] | All | * |
|
|
11 | Phillips (2005) [17] | All | * |
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|
12 | Livneh et al. (1999) [18] | All | 2.200 | 0.710 | * |