Structural fire engineering entails theoretical considerations of predicting fire behavior, evaluating structural fire performance, and designing fire$-$resistant structures to ensure life safety and property protection in fire events. Develop a comprehensive theoretical framework elucidating principles of structural fire engineering methodologies, including fire dynamics modeling, heat transfer analysis, and structural fire resistance design. Explore theoretical models for assessing fire$-$induced loads on structures, such as compartment fire modeling, fire severity analysis, and structural reliability assessment, and discuss theoretical approaches to enhancing structural fire safety through fire protection measures, structural robustness, and evacuation planning strategies, aiming to minimize fire risks and enhance building resilience in fire emergencies.