Some Studies on Prestressed Reinforced Granular Beds Overlying Weak Soil

Table 1

Properties of sand used in the model tests.

Property	Value
Specific gravity	2.61
Average dry unit weight during model test (KN/m^3)	16.60
Void ratio during model test	0.54
Effective grain size 𝐷10 (mm)	0.50
𝐷60 (mm)	1.30
𝐷30 (mm)	0.80
Coefficient of uniformity 𝐶𝑢	2.60
Coefficient of curvature 𝐶𝑐	1.00
Friction angle Φ^∘	31.0
Cohesion (kPa)	0
Relative density	0.86