Unified Constitutive Model for Airport Pavements

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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 | Pavement design | Nonlinear finite element analysis | Mathematical models | Constitutive relations | Material properties | Stress strain relations | Concrete pavements |

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