Research Article
Parametric Sensitivity Study of Deep Excavation in Singapore Old Alluvium Formation
Table 1
Earth retaining wall system and their structural properties.
| Type | Size | EA(kN) | EI (kNm2/m) |
| Retaining wall | UB 762 × 267 × 147 kg/m @ 1.8 m c/c + hat-type sheet pile 10H | — | 1.97e5 | Strut S1 at level 1 | 2 × UB 610 × 229 × 125 kg/m | 6.64e6 | — | Strut S2 at level 2 | 2 × UB 610 × 229 × 155 kg/m | 8.32e6 | — | Strut S3 at level 3 | 2 × UB 610 × 229 × 195 kg/m | 7.98e6 | — | Bored pile at centre (30 m into OA) | 1.5 m diameter | 2.35e7 | 3.31e6 | Bored pile at side (20 m into OA) | 1.2 m diameter | 1.75e7 | 1.36e6 |
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