Comparison of track-beam interaction among Chinese code, Eurocode and Japanese code

Gonglian Dai, Kan Dang, Tianpei Liu, Y. Frank Chen

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

After the continuously welded rail (CWR) is laid on the bridge, relative displacements between beam and track under the action of temperature, creep, vertical live load, and braking force will occur. Due to the constraint between beam and track, the longitudinal forces are generated in the track, beam, and pier. This paper aims to compare the differences in rack-beam interaction between the Japanese code, the Eurocode and the Chinese code. Particularly the distinctions in track resistance models, braking forces, temperature loads, and vertical live loads. For example, the Chinese code and Eurocode use a nonlinear resistance model, but the Japanese code uses a constant resistance model. A representative bridge example is used to demonstrate the differences, where the finite element analysis is adopted. In the finite element analysis, nonlinear bars or constant bars are used to simulate the track resistance, beam elements with rigid links are used to simulate the bridge, and the mechanical model for the ballasted track was is established. Continuous simply- supported beam is assumed in the analysis. Based on the calculation results, it is found that the additional longitudinal stress, the relative displacement, and the reaction force caused by the temperature, vertical live loads, and braking force are higher as calculated by the Eurocode compared to the Chinese code and the Japanese code.

Original languageEnglish (US)
Title of host publication20th Congress of IABSE, New York City 2019
Subtitle of host publicationThe Evolving Metropolis - Report
PublisherInternational Association for Bridge and Structural Engineering (IABSE)
Pages2255-2262
Number of pages8
ISBN (Electronic)9783857481659
StatePublished - Jan 1 2019
Event20th IABSE Congress, New York City 2019: The Evolving Metropolis - New York City, United States
Duration: Sep 4 2019Sep 6 2019

Publication series

Name20th Congress of IABSE, New York City 2019: The Evolving Metropolis - Report

Conference

Conference20th IABSE Congress, New York City 2019: The Evolving Metropolis
CountryUnited States
CityNew York City
Period9/4/199/6/19

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Building and Construction

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  • Cite this

    Dai, G., Dang, K., Liu, T., & Frank Chen, Y. (2019). Comparison of track-beam interaction among Chinese code, Eurocode and Japanese code. In 20th Congress of IABSE, New York City 2019: The Evolving Metropolis - Report (pp. 2255-2262). (20th Congress of IABSE, New York City 2019: The Evolving Metropolis - Report). International Association for Bridge and Structural Engineering (IABSE).