Research Article

Influence of Seismic Loading on Segment Opening of a Shield Tunnel

Table 1

Physicomechanical parameters of the soil.

Geotechnical nameDensity (kg/m3)Consolidated quick shearCompression modulus (MPa)Deformation modulus (MPa)Lateral pressure coefficientPoisson ratioThickness of the soil (m)
Cohesion (Pa)Internal friction angle (°)

Artificial filled Soil 18.04.7 100.49 0.33 1.5
Silty clay 15.2 5.86 120.43 0.30 4.5
Mud fine sand 25.0 5.93 180.39 0.28 1.9
Mud medium fine sand 0.0 30.06.52 200.35 0.26 5.2
Mud fine sand 29.6 6.89 200.39 0.28 10.7
Mud medium coarse sand 0.0 32.0 7.40 250.35 0.26 10.2
Mud sand gravel 36.0 8.14 300.30 0.23 4.8
Strong weathered tuff 12021.2