Experimental Study of Seepage Characteristics of Filling Structures in Deep Roadway

Table 2

Basic components of clay-sand-type filling medium.

Grain size composition
Kaolin	Sand
<0.08 mm	0.08-0.1 mm	0.1-0.2 mm	0.2-0.4 mm	0.4-0.5 mm	0.5-1 mm	1-2 mm
30.0%	3.5%	10.5%	10.5%	3.5%	14.0%	28.0%
20.0%	4.0%	12.0%	12.0%	4.0%	16.0%	32.0%
10.0%	4.5%	13.5%	13.5%	4.5%	18.0%	36.0%