Development and application of a lateral restoring force model for the failure behavior of WJ-8B rail fastener system in simply supported railway bridges

Key Points

• Failure behavior of WJ-8B rail fastener systems is influenced by lateral restoring force dynamics, impacting structural integrity.
• Modeling showed significant deviations in performance across various loading scenarios, emphasizing design considerations for bridges.
• Assessment using a lateral restoring force model across various simply supported bridge designs revealed vulnerabilities.
• Implications highlight the need for enhanced safety measures in railway engineering to prevent structural failures.