Displacement Measurements and Numerical Analysis of Long-Term Rock Slope Deformation at Higashi-Shikagoe Limestone Quarry, Japan

Table 1

Mechanical properties of the rock materials.

Properties	Hard rock mass	Clay
Unit weight, γ (kN/m^3)^a	26.2^a	18.0^c
Young’s modulus, E (GPa)^b	1	0.05 and 0.02
Poisson’s ratio,	0.2^a	0.3^c
Cohesion, c (MPa)	30^d	0.02^e
Friction angle, (°)	40 and 50^d	35^e

^aThe unit weight adopted from Bell. ^bAssumed. ^cAdopted from Chai and Miura. ^dCalculated from laboratory test results by Bandazi. ^eAdopted from Chai et al..