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

Table 3

Calculation parameters of the old pavement structure layer.

Pavement structural layer	Thickness (mm)	Modulus of elasticity (MPa)	Poisson’s ratio
Reinforcing layer of road	130	1600	0.25
SMA-13	30	1200	0.25
AK-16	40	1000	0.25
AC-20	50	1100	0.25
AC-30	60	900	0.25
Lime-flyash-stabilized base	350	1400	0.25
Lime flyash soil	180	900	0.35