Table 6 Comparison of critical shear stress results calculated by Eqs. (15), (23) and (24).
From: Estimating the critical shear stress for incipient particle motion of a cohesive soil slope
Slope gradient (°) | Experimental τc-value (Pa) | τc-value by Eq. (15) (Pa) | Relative error (%) | τc-value by Eq. (23) (Pa) | Relative error (%) | τc-value by Eq. (24) (Pa) | Relative error (%) |
|---|---|---|---|---|---|---|---|
5 | 3.191 | 3.550 | 11.24 | 5.153 | 61.48 | 3.538 | 10.87 |
10 | 3.960 | 3.548 | 10.41 | 5.153 | 30.12 | 3.538 | 10.66 |
15 | 4.130 | 3.546 | 14.14 | 5.153 | 24.77 | 3.538 | 14.34 |
20 | 4.385 | 3.544 | 19.18 | 5.153 | 17.51 | 3.538 | 19.32 |
25 | 4.565 | 3.542 | 22.41 | 5.153 | 12.88 | 3.538 | 22.50 |
