Figure 1
Experimental apparatus.
Figure 2
Vertical section of the model.
Figure 3
Geometry of the problem.
Figure 4
Grain size distribution curve of sand.
Table 1
Geotechnical properties of the tested sand.
| Property | Value |
|---|---|
| Coefficient of uniformity (Cu) | 3.19 |
| Coefficient of curvature (Cc) | 1.4 |
| Specific gravity (Gs) | 2.65 |
| Maximum dry density γd max (KN/m3) | 16.32 |
| Minimum dry density γd min (KN/m3) | 14.31 |
| D60 (mm) | 0.3 |
| D10 (mm) | 0.094 |
| Maximum void ratio | 0.672 |
| Minimum void ratio | 0.551 |
Table 2
Model tests program.
| Square footing (mm) | Sand relative density Dr(%) | Dimensions report b/B | Eccentricity e (mm) |
|---|---|---|---|
| 150 × 150 | 30 | 0 | 0, 10, 20, 30,40 |
| 0.5 | 0, 10, 20, 30,40 | ||
| 1 | 0, 10, 20, 30,40 | ||
| 1.5 | 0, 10, 20, 30,40 | ||
| 50 | 0 | 0, 10, 20, 30,40 | |
| 0.5 | 0, 10, 20, 30,40 | ||
| 1 | 0, 10, 20, 30,40 | ||
| 1.5 | 0, 10, 20, 30,40 | ||
| 70 | 0 | 0, 10, 20, 30,40 | |
| 0.5 | 0, 10, 20, 30,40 | ||
| 1 | 0, 10, 20, 30,40 | ||
| 1.5 | 0, 10, 20, 30,40 |
Figure 5
Variation of load with settlement for different case of relative density.
Figure 6
Load intensity with variable eccentricities for different relative densities of the footing on a slope
Figure 7
Load-relative density at different eccentricities for different state footing on a slope.