Research Article
Influence of Lightweight Foamed Concrete as Backfill Material on Stress and Deformation of Buttressed Earth-Retaining Wall
Table 3
The mix proportions of lightweight foamed concrete.
| Water/solid ratio | Density of lightweight foamed concrete (kg/m3) | Density of cement (kg/m3) | Density of foam (kg/m3) | Cement (kg/m3) | Water (kg/m3) | Foam (kg/m3) |
| 1 : 2.0 | 600 | 3069 | 40.27 | 381.6 | 190.8 | 27.6 | 1 : 2.0 | 700 | 3069 | 40.27 | 449.8 | 224.9 | 25.3 | 1 : 2.0 | 800 | 3069 | 40.27 | 518.0 | 259.0 | 23.0 |
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