Comparison of Asphalt Mixtures Designed Using the Marshall and Improved GTM Methods

Table 2

Aggregate physical and mechanical indicators.

Material name	Test project
	Apparent relative density (g/cm^3)	Gross volume relative density (g/cm^3)	Needle particle content (%)	Crushing value (%)	<0.075 particle content (%)	Water absorption (%)
11–22 mm gravel	2.740	2.699	5.5	—	0.3	0.56
11–16 mm gravel	2.744	2.701	4.8	11.7	0.2	0.63
6–11 mm gravel	2.752	2.692	—	—	0.4	0.82
3–6 mm gravel (≥2.36 mm)	2.726	2.652	—	—	2.1	1.02
3–6 mm gravel (<2.36 mm)	2.705	2.644	—	—		0.96
0–3 mm gravel (≥2.36 mm)	2.725	2.639	—	—	4.8	1.21
0–3 mm gravel (<2.36 mm)	2.714	2.639	—	—		1.06
Filler	2.784	—	—	—	—	—
Cement	3.099	—	—	—	—	—