Evaluation of Permanent Deformation of Unmodified and Rubber-Reinforced SMA Asphalt Mixtures Using Dynamic Creep Test

Table 4

Specification of trans-polyoctenamer used in this study.

Property		Test method	Unit	Value
Molecular weight	GPC	DIN 55672-1	—	90,000
Glass transition temperature	Tg	ISO 11357	°C	−65
Crystallinity	23°C	ISO 11357	%	30
Melting point	DSC; 2nd heating	ISO 11357	°C	54
Apparent density	23°C	ISO 60	g/l	560
Density	23°C	ISO 1183	g/cm^3	0.91
Tensile test
Stress at yield			MPa	7.5
Strain at yield		ISO 527-1/-2	%	25
Strain at break			%	400
Tensile impact strength	23°C	ISO 8256	kJ/m^2	165
	0°C		kJ/m^2	190
	−20°C		kJ/m^2	240