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Fatigue Reliability Assessment of Aged Railway Plate Girder Bridge by Probabilistic S-N Curve Approach

Rajeeth T. J. *, G. Ravi **

* Department of Civil Engineering, Vidyavardhaka College of Engineering, Mysore, Karnataka, India.

** Department of Civil Engineering, The National Institute of Engineering, Mysore, Karnataka, India.

Periodicity:March - May'2021
DOI : https://doi.org/10.26634/jste.10.1.18073

Abstract

The expansion of the railway traffic during the last decades is considered as primary stage towards the evaluation of the remaining service life of the existing railway bridges. The objective of this paper is to review live loads, determination of fatigue damage and reliability index of the plate girder bridge. The assessment of the bridge has been made using Indian Standard code IS 800:2007, which is based on S-N curve approach. Data has been collected on train loads along a particular railway route and from the statistical analysis of the data, the representative train loads are identified which forms the load spectrum. The developed load spectrum is used to find the stress ranges and by applying S-N curve parameters, the damage calculation has been made and then the reliability index of the bridge is determined.

Keywords

Railway Traffic, Plate Girder Bridge, S-N Curve Approach, Load Spectrum, Reliability Index.

How to Cite this Article?

Rajeeth, T. J., and Ravi, G. (2021). Fatigue Reliability Assessment of Aged Railway Plate Girder Bridge by Probabilistic S-N Curve Approach. i-manager's Journal on Structural Engineering, 10(1), 1-8. https://doi.org/10.26634/jste.10.1.18073

References

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Fatigue Reliability Assessment of Aged Railway Plate Girder Bridge by Probabilistic S-N Curve Approach

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