Research Article

Studying the Properties of SBS/Rice Husk Ash-Modified Asphalt Binder and Mixture

Table 2

Technical indicators of coarse aggregates.

Technical indicatorsTest results of coarse aggregateRequirement
10∼20 (mm)5∼10 (mm)3∼5 (mm)

Apparent relative density2.6242.6572.688
Water absorption (%)0.90.90.4≤2.0
<0.075 mm content (%)0.20.20.2<1.0
Elongated content (%)6.26.33.6≤18
Crushing value (%)22.1≤28