New Ship Channel Bridge, Houston, TX
Case Study
The Problem
In the planning stages, the local fire marshal requested an explanation on whether a vehicle fire on the bridge could cause a catastrophic failure of the structural components supporting the roadway, endangering the lives of the people on the bridge.
The Solution
We conducted a performance-based fire hazard analysis to assess the fire resistance of the pylons and cables. We also performed a structural exposure analysis involving computational fluid dynamics and heat transfer models, and an evaluation of material degradation.
The Results
We were able to conclude that the structural components of the bridge would not fail even when exposed to the most severe fire. This enabled the project to proceed without modifications to the structural components and ensured the safety and integrity of the bridge should an extreme event occur.
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