Workability and Compressive Strength Behavior of a Cemented High-Porosity Backfill Material

Table 2

Summary of the mixture composition of the samples.

Group	Sample	Solid content (wt. (%))	Solid content proportions		Density class (kg·m^−3)	Silica fume in binder (wt. (%))
			Binder (%)	Surface sand (%)
A	1	82.1	22.2	77.8	1000	10
	2	83.7	22.2	77.8	1000	10
	3	85.3	22.2	77.8	1000	10
	4	87.0	22.2	77.8	1000	10
B	5	83.7	25	75	1000	10
	6	83.7	22.2	77.8	1000	10
	7	83.7	20	80	1000	10
	8	83.7	18.2	81.8	1000	10
C	9	83.7	22.2	77.8	1000	0
	10	83.7	22.2	77.8	1000	5
	11	83.7	22.2	77.8	1000	10
	12	83.7	22.2	77.8	1000	15
D	13	83.7	22.2	77.8	600	10
	14	83.7	22.2	77.8	800	10
	15	83.7	22.2	77.8	1000	10
	16	83.7	22.2	77.8	1200	10
	17	83.7	22.2	77.8	1400	10
	18	83.7	22.2	77.8	1600	10