Study on Properties of Drainage SBS Modified Asphalt Mixture with Fiber

Table 2

Main technical index of coarse aggregate.

Pilot project		Test result	Technical standard	Test method
Crushing value of stone (%)	13.2 mm～16 mm	15.8	≤26	T0316
	9.5 mm～13.2 mm	16.7
	4.75 mm～9.5 mm	18.9
	2.36 mm～4.75 mm	22.5
Los Angeles wear value (%)	13.2 mm～16 mm	14.7	≤28	T0317
	9.5 mm～13.2 mm	15.1
	4.75 mm～9.5 mm	18.6
	2.36 mm～4.75 mm	16.5
Apparent specific gravity	13.2 mm～16 mm	2.81	≥2.60	T0304
	9.5 mm～13.2 mm	2.78
	4.75 mm～9.5 mm	2.75
	2.36 mm～4.75 mm	2.69
Water absorption (%)	13.2 mm～16 mm	1.2	≤2.0	T0304
	9.5 mm～13.2 mm	1.4
	4.75 mm～9.5 mm	0.8
	2.36 mm～4.75 mm	1.1
Water washing method ＜0.075 mm; Particles content (%)	13.2 mm～16 mm	0.5	≤1	T0310
	9.5 mm～13.2 mm	0.8
	4.75 mm～9.5 mm	0.7
	2.36 mm～4.75 mm	0.8
Soft stone content (%)	13.2 mm～16 mm	2.2	≤3	T0320
	9.5 mm～13.2 mm	1.7
	4.75 mm～9.5 mm	2.5
	2.36 mm～4.75 mm	1.9