Subsurface profile and geotechnical parameters
| Layer | Wall RL (top) | γ b: kN/m3 | c′: kPa | φ ′: ° | E′: MPa | ν | |
|---|---|---|---|---|---|---|---|
| South | North | ||||||
| Residual soil | 142·8 | 141·2 | 20·0 | 8 | 28 | 20 | 0·3 |
| SHA-V | 141·2 | 139·9 | 21·0 | 10 | 28 | 50 | 0·3 |
| SHA-IV | 135·3 | 136·2 | 22·0 | 20 | 30 | 150 | 0·3 |
| SHA-III | 134·3 | 135·2 | 23·0 | 100 | 30 | 300 | 0·3 |
| SHA-II | 131·6 | 130·6 | 24·0 | 150 | 30 | 700 | 0·2 |
| SHA-I | 130·0 | 130·0 | 24·0 | 350 | 30 | 1500 | 0·2 |
| SAN-I | 116·7 | 116·7 | 24·0 | 500 | 37 | 2000 | 0·2 |
| Layer | Wall RL (top) | ||||||
|---|---|---|---|---|---|---|---|
| South | North | ||||||
| Residual soil | 142·8 | 141·2 | 20·0 | 8 | 28 | 20 | 0·3 |
| SHA-V | 141·2 | 139·9 | 21·0 | 10 | 28 | 50 | 0·3 |
| SHA-IV | 135·3 | 136·2 | 22·0 | 20 | 30 | 150 | 0·3 |
| SHA-III | 134·3 | 135·2 | 23·0 | 100 | 30 | 300 | 0·3 |
| SHA-II | 131·6 | 130·6 | 24·0 | 150 | 30 | 700 | 0·2 |
| SHA-I | 130·0 | 130·0 | 24·0 | 350 | 30 | 1500 | 0·2 |
| SAN-I | 116·7 | 116·7 | 24·0 | 500 | 37 | 2000 | 0·2 |
RL, reduced level; SHA, Ashfield Shale; SAN, Hawkesbury Sandstone
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