Modelling of rutting of two flexible pavements with the shakedown theory and the finite element method
| Autor: | Pierre Hornych, Georg Koval, Saida Mouhoubi, Cyrille Chazallon, Fatima Allou |
|---|---|
| Přispěvatelé: | Laboratoire de Génie de la Conception. (LGC), Institut National des Sciences Appliquées - Strasbourg (INSA Strasbourg), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA), Division Structures et Matériaux pour les Infrastructures de Transport (LCPC/SMIT), Laboratoire Central des Ponts et Chaussées (LCPC)-PRES Université Nantes Angers Le Mans (UNAM), Groupe d'Etudes des Matériaux Hétérogènes (GEMH), Université de Limoges (UNILIM)-Institut des Procédés Appliqués aux Matériaux (IPAM), Université de Limoges (UNILIM)-Université de Limoges (UNILIM) |
| Jazyk: | angličtina |
| Rok vydání: | 2009 |
| Předmět: |
ESSAI TRIAXIAL
Rut Yield surface ESSAI EN VRAIE GRANDEUR 0211 other engineering and technologies 02 engineering and technology Granular material [SPI.MAT]Engineering Sciences [physics]/Materials Stress (mechanics) [PHYS.MECA.MEMA]Physics [physics]/Mechanics [physics]/Mechanics of materials [physics.class-ph] [PHYS.MECA.STRU]Physics [physics]/Mechanics [physics]/Structural mechanics [physics.class-ph] ELASTOPLASTICITE 021105 building & construction 11. Sustainability [SPI.MECA.MEMA]Engineering Sciences [physics]/Mechanics [physics.med-ph]/Mechanics of materials [physics.class-ph] ORNIERAGE Geotechnical engineering ComputingMilieux_MISCELLANEOUS 021101 geological & geomatics engineering CHARGEMENT REPETE Deformation (mechanics) business.industry Structural engineering Geotechnical Engineering and Engineering Geology MODELISATION Finite element method Computer Science Applications Shakedown CHAUSSEE SOUPLE Stress field METHODE DES ELEMENTS FINIS [SPI.MECA.STRU]Engineering Sciences [physics]/Mechanics [physics.med-ph]/Structural mechanics [physics.class-ph] business Geology |
| Zdroj: | Computers and Geotechnics Computers and Geotechnics, Elsevier, 2009, 36 (5), p 798-809. ⟨10.1016/j.compgeo.2009.01.007⟩ Computers and Geotechnics, Elsevier, 2009, 36 (5), pp.798-809. ⟨10.1016/j.compgeo.2009.01.007⟩ |
| ISSN: | 0266-352X 1873-7633 |
| DOI: | 10.1016/j.compgeo.2009.01.007⟩ |
| Popis: | Pavement design is a process intended to find the most economical combination of layer thickness and material type for the pavement, taking into account the properties of the subgrade and the traffic to be carried during the service life of the road. Low traffic road pavements with a thin bituminous surfacing and granular base and subbase layers represent, in France, about 60% of the road network. Recent studies dealing with the improvement of design methods of flexible pavements have pointed out that in most cases, when the bearing capacity of the soil is sufficient, this rutting takes place mainly in the granular base and subbase layers. Moreover, fatigue or cracking of the thin bituminous wearing course generally appears much later, when significant rutting has already developed. Pavement design methods for low traffic pavements, used in pavement mechanics, are based on linear elastic calculations. In the French design method, two design criteria are used to determine pavement life : a fatigue criterion for the asphalt layer, and a rutting criterion for the subgrade. The rutting criterion is very simplified, and consists in limiting the vertical elastic strains at the top of the subgrade. This criterion is based on the observation of the performance of existing pavements, and not on any laboratory characterisation of the materials. No criterion is presently applied for the rutting of the unbound granular layers and no model is used to predict the permanent deformations due to cyclic loading. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|
Full Text from ScienceDirect