Mechanical Response and Structure Optimization of Nanomodified Asphalt Pavement

Table 5

The influence degree of control indicators.

Working condition	Design index		Thickness of surface layer	Surface layer modulus	Lower layer thickness	Base thickness	Base modulus	Subbase thickness	Modulus of subbase
Working condition I	Tensile stress at the bottom of inorganic binder stabilized layer	The basic level			✔		✔
		Subbase					✔		✔✔
	Permanent deformation of asphalt mixture layer	Surface layer	✔
		Lower layer	✔
Working condition II	Tensile stress at the bottom of inorganic binder stabilized layer	—			✔	✔✔	✔
	Permanent deformation of asphalt concrete layer	Surface layer	✔	✔	✔	✔	✔	✔	✔
		Lower layer	✔		✔		✔