Abstract
The behaviour of pavement structures with an EPS sub-base and a relatively thin asphalt toplayer due to a 50 kN falling weight load is analyzed by means of a three-dimensional finite elements model with a single vertical interface layer. The position of the vertical interface layer was chosen next to the loading area. In this way an open joint between the EPS blocks at the most critical position with respect to the loading area can be modelled and the effect of such a joint on the structural pavement behaviour can be determined. Calculations have been carried out for pavement structures with only unbound base layers on top of the EPS sub-base and for pavements with a cement-treated loadspreading layer above the EPS. Finally the calculated deformations, asphalt strains and vertical stresses in the EPS sub-base are presented.
Original language | British English |
---|---|
Pages (from-to) | 473-478 |
Number of pages | 6 |
Journal | Geosynthetics: applications, design and construction. Proc. 1st European geosynthetics conference, Maastricht, 1996 |
State | Published - 1996 |