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 ratioDensity 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 : 2.0600306940.27381.6190.827.6
1 : 2.0700306940.27449.8224.925.3
1 : 2.0800306940.27518.0259.023.0