Strength Characteristics and the Reaction Mechanism of Stone Powder Cement Tailings Backfill

Table 3

Backfilling slurry of stone powder cement tailings ratio (SPCTR), mass fractions, stone powder content, and cement content.

Group	SPCTR	Mass fractions (%)	Stone powder content^a (%)	Cement content (%)
A/B 1	1 : 4	70	0	100
A/B 2			10	90
A/B 3			15	85
A/B 4			20	80
A/B 5			100	0

^aThe proportion of stone powder in SPC.