Consolidated and Undrained Ring Shear Tests on the Sliding Surface of the Hsien-du-shan Landslide in Taiwan

Table 2

Physical and mechanical properties of the Tangenshan sandstone.

Properties	Value
Air-dried unit weight, (kN/m^3)	24.40–25.25
P-wave velocity, (m/s)	2463.24–2692.51
S-wave velocity, (m/s)	1477.94–1549.23
Uniaxial compressive strength, (MPa)
Air-dried sample with water content = 0.72%	64.96–73.52
High water content sample with water content = 2.85%	48.44–61.80
Young’s modulus, (MPa)
Air-dried sample with water content = 0.72%	7885.98–9488.41
High water content sample with water content = 2.85%	3014.21–4962.34
Slake-durability index (%)
Id1	99.03–99.29
Id2	98.39–98.76