Abstract
The AASHTO concrete pavement design procedure evaluates a candidate pavement design with respect to two potential failure modes: fatigue and erosion. Damage of the pavement is mostly caused by soil erosion beneath the pavement. Moisture trapped in the soil typically reduces subgrade strength and causes loss of slab support due to subbase and subgrade erosion and pumping, which results in pavement settling, faulting at joints and corner breaks. The main objective of this research is to investigate the influence of several parameters such as different scenarios and percentage numbers of soil erosion, slab dimension and slab thickness on the structural behavior of slab pavements. Furthermore, a comparison between the pavement responses resulted from the analysis in this study and the pavement responses resulted from the AASHTO design procedure was conducted. The analysis' of the results showed that there is a significant effect of these parameters in the ultimate behavior of the rigid pavements under different soil erosion scenarios.
| Original language | English |
|---|---|
| Pages (from-to) | 471-490 |
| Number of pages | 20 |
| Journal | Journal of Engineering and Applied Science |
| Volume | 57 |
| Issue number | 6 |
| Publication status | Published - Dec 2010 |
| Externally published | Yes |
Keywords
- Joint faulting
- Loss of slab support
- Rigid pavement
- Soil erosion and pumping
- Stresses and deflection in rigid pavement
ASJC Scopus subject areas
- Engineering(all)