Research Article
Influence of Lightweight Foamed Concrete as Backfill Material on Stress and Deformation of Buttressed Earth-Retaining Wall
Table 5
The performance indexes of sand.
| | Density (kg/m3) | Moisture content (%) | Nonuniform coefficient | Curvature coefficient | Elasticity modulus (MPa) | Poisson ratio | Cohesion (kPa) | Internal friction angle (°) |
| | 1613 | 1.12 | 5.33 | 1.28 | 15.0 | 0.35 | 0 | 35.8 |
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