Determination and Monitoring of Key Construction Control Indices for Low-Temperature Performance of Asphalt Mixtures Based on BIM Platform

Table 2

Properties of the aggregates.

Item			Test result	Requirement	Test method
Coarse aggregate	Crushing value (%)		16.9	≤26	T0316
	Loss by abrasion and impact of the sample (%)		17.5	≤28	T0317
	9.5–13.2 mm	Percentage of flat-elongated particles (%)	6.9	≤12	T0312
	4.75–9.5 mm		6.3	≤18
	Polished stone value		46	≥42	T0321
Fine aggregate	Sand equivalent (%)		68	≥60	T 0334
	Solidness (%)		16	≥12	T 0340