Research Article

Parametric Sensitivity Study of Deep Excavation in Singapore Old Alluvium Formation

Table 1

Earth retaining wall system and their structural properties.

TypeSizeEA(kN)EI (kNm2/m)

Retaining wallUB 762 × 267 × 147 kg/m @ 1.8 m c/c + hat-type sheet pile 10H1.97e5
Strut S1 at level 12 × UB 610 × 229 × 125 kg/m6.64e6
Strut S2 at level 22 × UB 610 × 229 × 155 kg/m8.32e6
Strut S3 at level 32 × UB 610 × 229 × 195 kg/m7.98e6
Bored pile at centre (30 m into OA)1.5 m diameter2.35e73.31e6
Bored pile at side (20 m into OA)1.2 m diameter1.75e71.36e6