Study on the Contact Stress Distribution Model of Asphalt Mixture Particles

Table 2

Performance index of coarse aggregate.

Test project	Unit	Technical requirements	Test results
Crushing value	%	≤26	18.15
Los Angeles attrition	%	≤28	17.1
Water absorption rate	%	≤2	0.94
Apparent relative density	g/cm^3	≥2.6	2.799
Firmness	%	≤12	4.7