Case study demonstrates a new framework identifying key fire risk drivers in cable tunnels, supporting effective management strategies.
Key Points
This study aims to develop a framework for assessing fire risk drivers in cable tunnels. It focuses on identifying factors that significantly influence fire risk variations.
Developed a contribution-oriented fire risk assessment framework for cable tunnels.
Established a hierarchical indicator system based on fire accident mechanisms and expert input.
Conducted scenario-based analyses to evaluate fire prevention strategies.
Identified that structural integrity factors, particularly fire door integrity and joint defects, are dominant fire risk drivers.
Showed pronounced spatial variability in fire risk across different tunnel segments.
Highlighted that risk management interventions vary in effectiveness depending on the identified key risk drivers.