Dynamic Characteristics of Warm Mix Foamed Asphalt Mixture in Seasonal Frozen Area

Table 1

Technical indexes of foamed asphalt for test.

Asphalt type	Asphalt temperature (°C)	Water consumption (%)	Pressure (MPa)	Expansion rate (times)	Half-life (seconds)
70#	160	2.0	0.4 0.5	19.0	34.3
90#	150	2.0	0.4 0.5	21.0	33.8
SBS#	170	3.0	0.4 0.5	14.5	15.0