Study on Reasonable Length of Ballasted-CRTS II Ballastless Track Transition Section on High-Speed Railway Bridge-Reference-Cited by-同舟云学术

Study on Reasonable Length of Ballasted-CRTS II Ballastless Track Transition Section on High-Speed Railway Bridge

Published:2013-03 Issue: Volume:671-674 Page:1301-1305
ISSN:1662-8985
Container-title:Advanced Materials Research
language:
Short-container-title:AMR

Author:

Liu Yu¹,Zhao Guo Tang¹

Affiliation:

1. Southwest Jiaotong University

Abstract

In view of ballasted-CRTSⅡ ballastless track transition section on the bridge of Beijing-Shanghai high-speed railway, the influence of track random irregularity and pier foundation settlement difference on acceleration and stability index of locomotive body are discussed by the finite element method. And then, by using the index of rail deflection gradient to describe the law of dynamic interaction, rail-wheel dynamic response, attenuation distance of locomotive body acceleration and change of sleeper pressure caused by under-rail stiffness difference are analyzed. Finally, the recommended value of reasonable length of transition section is put forwarded.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

Link

https://www.scientific.net/AMR.671-674.1301.pdf

Reference9 articles.

1. Lei Xiao-yan: Influences of Track Transition on Track Vibration Due to the Abrupt Change of Track Rigidity[J]. China Railway Science, 2006, 27(5): 42~45.

2. Luo Qiang. Dynamic Performance Analyses and Experiment Study on Bridge/Approach Embankment of High-speed Railway[D]. Doctor Degree Dissertation, Southwest Jiaotong University, Chengdu, (2003).

3. David Read and Dingqing Li. DESIGN OF TRACK TRANSITIONS [R]. Research Results Digest 79, TTCI, October (2006).

4. Ye Xiang-yu. Estimate and Deformation Regularity Research on Subgrade in Roadbed-bridge Transition Section of ShuoHuang Railway[D]. Master Degree Dissertation, Beijing Jiaotong University, Beijing, (2007).

5. Meng Fan-hui. 3D Dynamical Study on Bridge-subgrade Transition[D]. Master Degree Dissertation, Beijing Jiaotong University, Beijing, (2007).

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