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A Numerical Study for Deformation Characteristics of the Wearing Surface on a Steel Plate Deck under Wheel Loads  

Kim, Hae-Na-Rae (성균관대학교 건설환경시스템공학과)
Ock, Chang-Kwon (한국도로공사 도로교통연구원 포장연구팀)
Kim, Moon-Young (성균관대학교 건설환경시스템공학과)
Publication Information
Journal of the Computational Structural Engineering Institute of Korea / v.24, no.4, 2011 , pp. 439-447 More about this Journal
Abstract
Longitudinal cracks due to traffic truck loadings that are caused by local deformations of steel orthotropic bridge decks are sometimes observed in the wearing surface. So, underlying causes of the longitudinal pavement crack induced by structural behaviors of steel decks are investigated in this study. For this purpose, The rational finite element model of the steel deck and the pavement having the box girder is developed and a parametric study is performed by varying thickness or elastic modulus ratios of both the steel deck plate and the pavement. As a result, a large tensile strain above the webs of the u-rib and the box girder, which becomes the main cause of the cracks of the pavement, is detected from variation of the normal strain component of the wearing surface in the transverse direction.
Keywords
steel plate deck; wearing surface; protection layer; finite element analysis; elastic modulus ratio;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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