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Dynamic characteristics of large - span steel box tied arch bridge and train running performance analysis

Author: YangFeng
Tutor: GuoXiangRong
School: Central South University
Course: Civil Engineering
Keywords: Time-varying systems Axle coupling Large span steel box tied arch bridge
CLC: U441.3
Type: Master's thesis
Year: 2011
Downloads: 28
Quote: 0
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Abstract


Large - span steel box tied arch bridge is a bridge -type of a wider range of applications , its beautiful shape , strong across the ability to make it widely used in the field of bridge construction . This article cross Jiyan Road Bridge engineering background detailed simulation and analysis of the dynamic characteristics of large span steel box tied arch bridge and train running performance . Full completion of the following main tasks: an overview of the development of large span steel arch bridge , a review of the course of the study of the development of domestic and foreign axle vibration on large span steel box tied arch bridge car - bridge coupled vibration analysis is necessary sex . Based on the elastic system dynamics and the value of the principle of total potential energy and the formation of the matrix \Model based on the above analysis , detailed calculations axle vibration response of the system under different operating conditions , the power response of the bridge and the train to make the evaluation , calculation results show that : the cross Jiyan Road Bridge has a good dynamic characteristics and train Runability . Computational analysis temperature deformation of the axle system power response , the results show that the temperature deformation of the bridge dynamic response in all temperature deformation conditions moving train the pleomorphic still meet the requirements .

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CLC: > Transportation > Road transport > Bridges and Culverts > Structural principles, structural mechanics > Bridge vibration and damping device
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