Unified Constitutive Model for Airport Pavements

by Chandra S. Desai, Univ of Arizona, Tucson, United States,
Douglas B. Rigby, Univ of Arizona, Tucson, United States,
Gopal Samavedam, Univ of Arizona, Tucson, United States,



Document Type: Proceeding Paper

Part of: Airport Pavement Innovations?Theory to Practice

Abstract:

A unified constitutive model that allows for significant behavioral characteristics of materials and interfaces in airport pavement is implemented in a nonlinear finite element procedure. The numerical predictions in terms of stresses, strains and displacements are evaluated for a typical pavement structure. It is concluded that such a unified model can provide significant improvements in analysis and design of airport pavements.

Subject Headings: Airport and airfield pavements | Finite element method | Pavement design | Nonlinear finite element analysis | Mathematical models | Constitutive relations | Asphalt pavements

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