Asphalt Railway Trackbed Designs, Applications, and Long-Term Performances

摘要

1. 35 cm (14 in.) of ballast on top 2. 12 cm (5 in.) of asphalt with 200 MPa (29,000 psi) modulus 3. 30 cm (12 in.) of super compacted subgrade with 80 MPa (11,600 psi) modulus.