Crack Resistance and Mechanical Properties of Polyvinyl Alcohol Fiber-Reinforced Cement-Stabilized Macadam Base

Table 2

Physical performances of aggregate [31].

Item	Aggregate size (mm)
	19–31.5	9.5–19	4.75–9.5	2.36–4.75	0–2.36
Elongated and flaky particle content (%)	7.6	8.8	7.3	—	—
Gross bulk density (g/cm³)	2.712	2.708	2.695	2.687	2.678
Contents of clay (%)	0.8	0.8	2.3	1.7	15.3
Crush value (%)	—	21.5	—	—	—
Sand equivalent (%)	—	—	—	—	62
Plasticity index	—	—	—	—	3
The mixture ratio (%)	16	35	22	4	23