Correlation Effects of Near-Field Seismic Components in Circular Metro Tunnels: A Case Study—Tehran Metro Tunnels

Table 4

Variation of elastic modulus of Delhi silt with depth [25].

Depth (m)	Thickness (m)	Elastic modulus (kPa)
0–10	10	7500
10–20	10	15000
20–35	15	30000
35–50	15	40000
50–60	10	50000