Interaction of Mechanical Systems with Structurally Significant Fire Events (UTI-UTC 25)

This project explores the complex interplay between mechanical systems and the structural response of tunnel infrastructure during fire events. The research integrates fire dynamics modeling with structural and mechanical system simulations to assess how fire impacts tunnel linings, support systems, and embedded mechanical elements such as ventilation ducts, electrical conduits, and lighting. Using computational fluid dynamics (CFD) and finite element analysis (FEA), the study evaluates temperature distribution, material degradation, and load redistribution during fire exposure. A key focus is placed on developing a fast-running, Matlab-based assessment tool that incorporates fire source characteristics, ventilation behavior, suppression methods, and tunnel geometry to predict structural vulnerabilities and support emergency response planning. The project aims to deliver actionable insights and modeling tools that improve tunnel design, resilience, and operational safety under fire-induced extreme conditions.

Language

• English

Project

• Status: Completed
• Funding: $169,138.00
• Contract Numbers:

  69A3551747118

• Sponsor Organizations:

  University Transportation Center for Underground Transportation Infrastructure

  Colorado School of Mines
  Golden, CO  United States  80401

  Office of the Assistant Secretary for Research and Technology

  University Transportation Centers Program
  Department of Transportation
  Washington, DC  United States  20590
• Managing Organizations:

  Colorado School of Mines

  1500 Illinois St
  Golden, CO  United States  80401

  Lehigh University

  ATLSS Engineering Research Center
  IMBT Laboratory
  Bethlehem, PA  United States  18015-4729
• Performing Organizations:

  Lehigh University

  ATLSS Engineering Research Center
  IMBT Laboratory
  Bethlehem, PA  United States  18015-4729
• Principal Investigators:

  Naito , Clay

  Quiel , Spencer

• Start Date: 20200101
• Expected Completion Date: 20230430
• Actual Completion Date: 20230501
• USDOT Program: University Transportation Centers

Subject/Index Terms

• TRT Terms: Finite element method; Fire; Fluid dynamics; Load transfer; Tunnel lining
• Identifier Terms: MATLAB (Computer program)
• Subject Areas: Bridges and other structures; Highways; Maintenance and Preservation;

Filing Info

• Accession Number: 01954484
• Record Type: Research project
• Source Agency: University Transportation Center for Underground Transportation Infrastructure
• Contract Numbers: 69A3551747118
• Files: UTC, RIP
• Created Date: May 7 2025 5:52PM