Summary of FE simulations for backfill investigation
| Native sand relative density: % | Backfill relative density: % | Backfill side angle: degrees |
|---|---|---|
| 30 (uniform conditions) | No backfill | — |
| 60 (uniform conditions) | No backfill | — |
| 90 (uniform conditions) | No backfill | — |
| 30 | 30, 60, 90 | 0 |
| 60 | 30, 60, 90 | 0 |
| 90 | 30, 60, 90 | 0 |
| 30 | 30, 60, 90 | 25 |
| 60 | 30, 60, 90 | 25 |
| 90 | 30, 60, 90 | 25 |
| Native sand relative density: % | Backfill relative density: % | Backfill side angle: degrees |
|---|---|---|
| 30 (uniform conditions) | No backfill | — |
| 60 (uniform conditions) | No backfill | — |
| 90 (uniform conditions) | No backfill | — |
| 30 | 30, 60, 90 | 0 |
| 60 | 30, 60, 90 | 0 |
| 90 | 30, 60, 90 | 0 |
| 30 | 30, 60, 90 | 25 |
| 60 | 30, 60, 90 | 25 |
| 90 | 30, 60, 90 | 25 |