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Fatigue Life Estimation of a Box Girder Bridge Using Coupled and Uncoupled Bridge–Vehicle Dynamics

  • Anjaly J. PillaiEmail author
  • Suvendu Parida
  • Sudip Talukdar
Conference paper
  • 21 Downloads
Part of the Lecture Notes in Mechanical Engineering book series (LNME)

Abstract

In the present paper, fatigue life of a steel box girder bridge has been evaluated by two approaches and the influencing parameters on fatigue life have been studied. In the first approach, the box girder bridge has been idealized as a Euler–Bernoulli beam and the coupled bridge–vehicle equations are developed. In the second approach, vehicle equations are first solved taking bridge as rigid. The pavement force found from the vehicle response and road roughness has been given as input in 3-D FEM model created in CSI Bridge. Fatigue life of the bridge component at the critical location has been found out using Miner approach and the stress time history from coupled and uncoupled schemes has been used for comparison purpose. The parameters which affect the fatigue life, i.e., velocity of the vehicle and road surface roughness are varied to observe the effect on fatigue life.

Keywords

Fatigue life Box girder bridge Coupled scheme Uncoupled scheme 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  • Anjaly J. Pillai
    • 1
    Email author
  • Suvendu Parida
    • 1
  • Sudip Talukdar
    • 1
  1. 1.Department of Civil EngineeringIndian Institute of Technology GuwahatiGuwahatiIndia

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