Properties of Crushed Red-Bed Soft Rock Mixtures Used in Subgrade

Table 2

Uniformity coefficient and gradation coefficient .

Test group	D60	D30	D10
Before compaction	9.4	5.3	1.2	7.83	2.49
%	4.8	1.8	0.23	20.87	2.93
%	4.1	1.3	0.16	25.63	2.58
%	3	0.55	0.09	33.33	1.12