Study Of The Parameters That Influence The Behavior Of I-Girder Bridges During Fire Events

The structural response of bridges against fire is an under-researched topic not covered in current design codes in spite of its frequency and consequences. This paper uses Computational Fluid Dynamics simulations to study the parameters influencing the temperatures in the gas surrounding I-Girder Bridges during a fire since this is a critical parameter governing the response of the bridge. The structural behavior of a 21 meters span bridge has been carried out with numerical models to show that the position of the fire has also an influence on the times and type of failure.