Experimental Research on Foamed Mixture Lightweight Soil Mixed with Fly-Ash and Quicklime as Backfill Material behind Abutments of Expressway Bridge

Table 6

Mixture proportion in the practical engineering of FMLS.

Number	Cement; (kg/m^3)	Water; (kg/m^3)	Foam; (L)	Wet density of FMLS; (kg/m^3)	Foam ratio; (%)
1	600	352.1	500	970	44.89%
2	500	293.4	600	800	54.55%
3	400	234.7	700	720	59.09%
4	350	205.4	750	620	64.77%