Author(s)

L. Fryba, J. Naprstek & P. Roun

Abstract

Orthotropic plate has been investigated and the static and dynamic stresses were obtained using several theoretical and experimental methods: finite element method, folded plate theory, modal analysis, strain gauges, pho- toelasticity. An optimum form of cut-outs in the cross-girder is searched out and the paper presents several interesting conclusions about the stress distribution in the orthotropic plate. 1 Introduction Orthotropic plates have been used as a bridge deck for both railway and highway steel bridges because they possess low structural hight and low weight. Therefore, a broad research of static, dynamic and fatigue prop- erties of orthotropic deck is carried out for the European Rail Research Institute (ERRI), see [1]. The orthotropi

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