Research Article

Establishment of Rutting Model of Wheel-Tracking Test for Real-Time Prediction of Rut Depth of Asphalt Layers

Table 3

Properties of aggregates for AC-13.

ItemTest resultRequirementTest method

Coarse aggregateCrushing value (%)16.9≤26T0316
Loss by abrasion and impact of the sample (%)17.5≤28T0317
9.5∼13.2 mmPercentage of flat-elongated particles (%)6.9≤12T0312
4.75∼9.5 mm6.3≤18
Polished stone value46≥42T0321

Fine aggregateSand equivalent (%)68≥60T 0334
Solidness (%)16≥12T 0340