2405 軌道動的応答モデルを用いた軌道沈下予測モデル

概要

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The estimation of track settlement or track irregularity growth is an important issue for both the selection of the optimum track structure and maintenance method from the aspect of reducing maintenance cost. A state of the art track deterioration theory in Japan is summarized in "Design Standard of Railway Structures and Others-Track Structures [Ballast Track]", 1997 which includes ballast and subgrade settlement laws. In this standard the ballast and subgrade settlement laws were established based on some experiments of track settlement by repeated loading to a full-scale model track, and maintenance practice. This paper describes that track site experiments for measuring track settlement and the adequacy of the prediction model of track settlement and track irregularity growth which consists of a vehicle/track dynamic model and track settlement laws.
社団法人日本機械学会の論文
2003-12-08