Table 1 Physical and mechanical properties and geological parameters of the Lower Pleistocene Series Xiyu conglomerate in the Quaternary System.

From: Impact of excavation footage on vertical shaft lining deformation and surrounding rock stress in Xiyu conglomerate

Stratigraphic Lithology

Density (g·cm−3)

Cohesion (kPa)

Friction Angle

(°)

Bearing Capacity (kPa)

Deformation Modulus (MPa)

Elastic Modulus (MPa)

Poisson’s Ratio

Upper Xiyu conglomerate

2.33

150

39

700

500

800

0.35

Lower Xiyu conglomerate

2.41

250

44

1000

700

1000

0.32