An Interval Parameter Calculation Method of Asphalt Pavement Structure Design Based on Point Numerical Algorithm

Table 1

Number of allowable tensile stress design intervals for each layer of pavement.

Material name	h (cm)	Allowable tensile stress (MPa)
Fine-grained asphalt concrete	4	[0.3826, 0.3899]
Medium granular asphalt concrete	6	[0.2725, 0.2793]
Coarse asphalt concrete	8	[0.2174, 0.2240]
Cement gravel	25	[0.2233, 0.2331]
Lime soil	40	[0.0779, 0.0853]
Soil base	—	—