Material Composition Design and Anticracking Performance Evaluation of Asphalt Rubber Stress-Absorbing Membrane Interlayer (AR-SAMI)

Table 3

Technical indexes of basalt aggregates.

Item	Technical index (%)	Test results	Test method
Crushing value	≤15	11	T0316
Los Angeles abrasion loss	≤28	15.1	T0317
Sturdiness	≤12	11.8	T0314
<0.075 mm grain content	≤1	0.41	T0310
Apparent relative density (g·cm^−3)	≮2.5	2.719	T0304
Water absorption (%)	0.553	≯2.0	T0304