Three Dimensional Finite Element Programs for Pavement Analysis. Volume 1(Introduction and Appendix 1)

摘要

The primary objective is to develop a three-dimensional finite element programfor the analysis of general pavement problems. The program considers conventional static and dynamic loading conditions including harmonic excitations, pulse loadings, ramp loadings, and multiple step loadings. Provisions are made for the convenience of handling nonconventional loadings such as falling weights and general time-dependent load histories generated from non-destructive testings used for pavement structural evaluation. One particular important aspect of the program is to develop a general material library. Common soil and asphalt material models in the form of linear and nonlinear elastic materials, elastic-plastic materials with hardening, and viscoelastic materials are included in the material library.