Table 1: The soil parameters of the analyzed section of the proposed Baghdad metro line.

Type of soil Modulus of elasticity ( 𝐸 ) (kPa)Poisson’s ratio ( 𝜈 )Unit weight ( 𝛾 ) (kN/m3)Permeability 𝑘 𝑥 = 𝑘 𝑦 (m/day)

Silty clay 80000 0.333 19.5 8 . 6 4 × 1 0 6
Sandy to silty sand 180000 0.263 19.7 Drained
Sand 150000 0.284 20.0 Drained