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http://dx.doi.org/10.7843/kgs.2007.23.3.15

Effect of Stress-Dependent Modulus and Poisson's Ratio on Rutting Prediction in Unbound Pavement Foundations  

Park, Seong-Wan (Dept. of Civil & Environmental Engrg., Dankook Univ.)
Publication Information
Journal of the Korean Geotechnical Society / v.23, no.3, 2007 , pp. 15-24 More about this Journal
Abstract
This paper will present a simple approach (or predicting layer deformation of unbound pavement materials with stress-dependent material properties. The approach is based on an uncoupled formulation in which the resilient and deformation response of unbound materials are considered separately. As a result, an uncoupled approach incorporating a resilient stiffness and Poisson's ratio model is able to simulate field measured deformation in pavement foundations. In addition, a sensitivity analysis is conducted to identify the significant factors in the stress-dependent modulus and Poison's ratio model. The predicted trends of deformation from this analysis are presented and discussed.
Keywords
Finite element analysis; Layer deformation; Pavement foundations; Stress-Dependent Modulus;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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