00821026

Component

https://doi.org/10.3141/1764-06

http://scholar.google.com...lian&publication_year=2001

A true mechanistic pavement design procedure should be able to correctly predict pavement response and the development of pavement distress (such as rutting and fatigue cracking) under various traffic and environmental conditions. A three-dimensional (3-D) numerical simulation procedure with realistic material models would be an effective tool that could be used to achieve such an objective. The results of a 3-D numerical simulation at the Louisiana Accelerated Loading Facility are presented. A 3-D finite-element procedure with moving wheel loads was developed for such analyses. Rate-dependent viscoplastic models were incorporated into the 3-D finite-element procedure. A creep model was used to predict rutting of the asphalt pavement. The results indicated that the 3-D finite-element procedure with viscoplastic models is capable of reflecting the pavement responses and predicting pavement rutting with reasonable accuracy.

This paper appears in Transportation Research Record No. 1764, Assessing and Evaluating Pavements.

English

p. 44-58

2001

Transportation Research Record

0309072255

Figures (14) ; References (16) ; Tables (2)

Accuracy; Asphalt pavements; Creep; Finite element method; Mathematical prediction; Rutting; Simulation; Viscoplasticity; Wheel loads

Louisiana Accelerated Loading Facility

Three dimensional numerical simulation

Data and Information Technology; Design; Highways; Pavements; I22: Design of Pavements, Railways and Guideways; I23: Properties of Road Surfaces

TRIS, TRB, ATRI

Dec 14 2001 12:00AM

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