Vertical vibrations of composite bridge/track structure/high-speed train systems. Part 1: Series-of-types of steel-concrete bridges

Bulletin of the Polish Academy of Sciences. Technical Sciences

M. KlasztornyCorresponding authorDepartment of Mechanics and Applied Computer Science, Military University of Technology, 2 Kaliskiego St., 00-908 Warsaw, PolandEmailOther articles by this author:De Gruyter OnlineGoogle Scholar¹  M. PodwornaInstitute of Civil Engineering, Wroclaw University of Technology, 27 Wyspianskiego St., 50-370 Wroclaw, PolandOther articles by this author:De Gruyter OnlineGoogle Scholar² 

[1] Department of Mechanics and Applied Computer Science, Military University of Technology, 2 Kaliskiego St., 00-908 Warsaw, Poland;Institute of Civil Engineering, Wroclaw University of Technology, 27 Wyspianskiego St., 50-370 Wroclaw, Poland

关键词: Keywords : composite steel-concrete bridge;    ballasted track structure;    high-speed train;    design;    FE modelling;    simulation;    forced resonances;    numerical analysis;   

DOI  :  10.2478/bpasts-2014-0018

学科分类：工程和技术（综合）

来源: Polska Akademia Nauk * Centrum Upowszechniania Nauki / Polish Academy of Sciences, Center for the Advancement of Science

【 摘 要 】

A new series-of-types of single-span simply-supported railway composite (steel-concrete) bridges, with a symmetric platform, has been designed according to the Polish bridge standards. The designed bridges/viaducts are located on the main railways of the classification coefficient k = +2. A ballasted track structure adapted to high operating speeds has also been designed. The ultimate limit states and the limit states corresponding to the bridges undertaken are collected and discussed. The bridges have been designed in accordance with contemporary art engineering, with geometric and material optimization, avoiding overdesign. A new methodology of numerical modelling and simulation of dynamic processes in composite bridge/ballasted track structure/high speed train systems, developed in Part 2 and Part 3, has been applied and implemented in a problem-oriented computer programme. A new approach to predicting forced resonances in those systems is formulated and tested numerically. It has been proved that in the case of typical structural solutions of bridges and ballasted track structures, it is necessary to introduce certain limitations for operating speeds of trains

【 授权许可】

Unknown