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17TH World Congress on Road Winter Service, Resilience and Decarbonisation - Pre-proceedings of the Congress

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  • IP0166 - Risk analysis of brittle fracture of steel in cold weather conditions for ancient suspension bridges
    Bastien VAURIGAUD , Virginie PERIER , Laurent GAILLET , Fabien RENAUDIN , Pierre CHAMBON , Caroline MEYER , Fabien ZIMMERMANN

    The collapse of the Sully-sur-Loire bridge on January 16, 1985, at a temperature of -23°C highlighted the vulnerability of old suspension bridges in France's heritage to cold weather. Following this collapse, which raised concerns about the potential failure of other structures, a risk analysis methodology for brittle fracture of steel was developed, leading to a massive emergency assessment campaign [...]