Mechanical and Mesoscale Analyses of Cement Stabilized Macadam Prepared by Vibratory and Nonvibratory Mixing Techniques

Table 2

Properties of limestone aggregate.

Property	Technical requirement	Test result of coarse aggregate
		19∼31.5 mm	9.5∼19.5 mm	4.75∼9.5 mm	0∼4.75 mm
Content of flat and elongated particles (%)	≤20%	11.7	15.8	—	—
Crushing value (%)	≤26%	21.3	18.9	—	—
Bulk volume relative density (g/cm^3)	—	2.230	2.730	2.607	2.589
Apparent density (g/cm^3)	—	2.821	2.763	2.731	2.692
Water absorption (%)	—	0.4	0.6	1.3	—
Liquid limit of particles smaller than 0.6 mm	≤28%	23%
Plastic index of particles smaller than 0.6 mm	≤9	3.2