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

Table 3

The results of CBR tests under different degrees of compaction.

Sample number	Number of blows	Dry density; ρd/(g⋅cm^−3)	Compaction degree; K/%	CBR; %	Soaking swelling; /%	Water absorbing; /g
	98	2.104	99.9	61.24	0.088	28
		2.102	99.7	57.14	0.074	25
	50	2.060	97.7	49.71	0.108	49
(5)		2.053	97.5	48.76	0.102	48
(7)	30	2.010	95.4	35.14	0.164	108
(8)		2.006	95.2	34.00	0.155	99