From: Investigation of rainfall-induced shallow landslides on the northeastern rim of Aso caldera, Japan, in July 2012
Physical properties
Layer 1
Layer 2
Specific gravity, Gs
2.271
2.734
Water content, w (%)
187.0
72.0
Void ratio, e
5.452
2.191
Degree of saturation, S (%)
78
90
Total unit weight, γ (kN/m3)
10.1
14.7
Saturated unit weight, γ sat (kN/m3)
12.0
15.4