Study on Permeability of Steel Slag and Steel Slag Modifying Silt Soil as New Geo-Backfill Materials

Table 1

Particle contents in different grain size groups of three kinds of steel slag (%).

Materials	Grain size group (mm)
	0∼0.075	0.075∼0.1	0.1∼0.5	0.5∼1	1∼2	2∼5	5∼10	10∼20
Fine steel slag	2.1	4.9	24.9	21.3	46.8	0	0	0
Coarse steel slag	0.8	7.9	14	14.1	32.2	31.0	0	0
Gravel steel slag	2.1	2.2	15.7	15.4	13.6	30.2	16.6	4.2