Table 2. Generalized equivalent confining pressure (GECP) of Indigofera amblyantha roots in the reinforced soil.
| Confining pressure (kPa) | Root content (%) | CD | CU | UU | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| HR | VR | CR | HR | VR | CR | HR | VR | CR | ||
| 50 | 0.25 | 3.61 | 11.23 | 21.01 | 1.61 | 6.35 | 13.72 | −3.97 | −4.10 | −4.14 |
| 0.50 | 16.13 | 24.66 | 39.01 | 8.56 | 24.03 | 29.26 | −2.90 | −1.87 | −1.26 | |
| 0.75 | 38.07 | 56.18 | 54.57 | 21.26 | 35.17 | 52.14 | −0.03 | −1.68 | 5.69 | |
| 100 | 0.25 | 6.75 | 14.06 | 26.11 | 3.36 | 8.10 | 13.65 | −4.93 | −4.32 | −5.78 |
| 0.50 | 22.68 | 29.45 | 52.80 | 10.69 | 27.71 | 34.50 | −2.99 | −3.74 | −0.70 | |
| 0.75 | 55.50 | 78.30 | 83.08 | 28.55 | 45.54 | 68.28 | −1.15 | −0.13 | 6.31 | |
| 150 | 0.25 | 9.26 | 16.87 | 30.75 | 6.30 | 7.92 | 13.29 | −8.89 | −4.89 | −7.29 |
| 0.50 | 28.92 | 33.91 | 67.05 | 12.34 | 31.30 | 40.10 | −3.07 | −4.59 | 0.41 | |
| 0.75 | 73.45 | 101.03 | 106.83 | 35.09 | 54.89 | 81.50 | −2.08 | 5.05 | 6.75 | |
Notes.
- CD
- consolidation drained condition
- CU
- consolidation undrained condition
- UU
- unconsolidated undrained condition
- HR
- horizontal root
- VR
- vertical root
- CR
- complex root