Research on Mechanical Response of Pavement Structure to Differential Settlement of Subgrade on Highway Widening

Table 4

Calculation parameters of the new pavement structure layer.

Pavement structural layer	Thickness (mm)	Modulus of elasticity (MPa)	Poisson’s ratio
SMA-13	40	1400	0.25
AC-20	60	1200	0.25
AC-25	80	1000	0.25
ATB-25	100	1000	0.25
Cement-stabilized aggregate	360	1500	0.25
Low dose cement	200	1100	0.25