Abstract: Rutting is one of the major modes of distress in flexible pavements. It is caused by plastic deformation that can occur in any of pavement layers. Historically, rutting of asphalt concrete has been considered a mix design ...

Abstract: Mechanistic–empirical (ME) pavement design often demands default or assumed axle load spectrum data. Using single and tandem axles of the Vehicle Class 9 as examples, this study analyzed the spatial and temporal variations ...

Abstract: Testing procedures and methods of analysis for determining the fracture toughness of soils using the ring test are described and values of fracture toughness measured for 132 compacted specimens of two cohesive soils are ...