Delivering Sustainable Solutions through Improved Mix and Structural Design Functions for Bitumen Stabilised Materials

Table 5

Pavement structures for design comparison [10].

Pavement	Pavement layer	Material class	Thickness (mm)	Stiffness (MPa)	BSM properties
1	Surfacing	HMA	35	3500	C (kPa)	250
	Base	BSM 1	250	720	φ (°)	40
	Sub-base	G5	250	240	RetC (%)	75
	Selected subgrade	G8	180	120	Pmod (%)	100
	Subgrade	G8	N/A	90
2	Surfacing	HMA	20	2500	C (kPa)	225
	Base	BSM 2	280	500	φ (°)	39
	Sub-base	G6	250	200	RetC (%)	70
	Selected subgrade	G8	150	100	Pmod (%)	98
	Subgrade	G8	N/A	90