A Prediction Method for the California Bearing Ratio of Soil-Rock Mixture Based on the Discrete Element Method and CT Scanning

Table 6

Gradation of the SRM specimen.

Soil-rock ratio	Size (mm)
	20–40	10–20	5–10	2–5	≤2
70 : 30	7	11	12	32	38
60 : 40	10	14	16	27	33
50 : 50	13	17	20	23	27
40 : 60	15	21	24	18	22
30 : 70	18	24	28	13	17