Table 3 Section size of asphalt surface...

Table 3

Section size of asphalt surface layer of subgrade bed for ballasted tracks in Japan

Subsoil coefficient/(MPa·m^-1)	Coarse-grained asphalt mixture/mm
K₃₀ ≥ 110	50
70 ≤ K₃₀ < 110	50
K₃₀ ≥ 110	50
70 ≤ K₃₀ < 110	50

Source(s): Authors’ own work