As the core carrier of Lingnan culture and a nationally famous historical&cultural city,Guangzhou preserves more than 3000 immovable historic buildings,including arcade rows,ancestral halls,Xiguan mansions and mod...As the core carrier of Lingnan culture and a nationally famous historical&cultural city,Guangzhou preserves more than 3000 immovable historic buildings,including arcade rows,ancestral halls,Xiguan mansions and modern public edifices.Their brick-timber hybrid structures,high-density“bambootube”street pattern and hot-humid subtropical climate create unique fire challenges.This study systematically summarizes an“inherent-acquired-environmental”superimposed fire-risk mechanism.By integrating traditional Cantonese fire-resistance wisdom—such as Qingyun fire lanes,wok-ear gables and courtyard smoke vents—and heritage-friendly innovations,a three-level policy-technology-management protection framework is established.Hierarchical protection aligned with value grading,life-cycle technology pathways and multistakeholder collaboration is proposed.The“minimum-intervention and performance-based”route and the“regulation-guideline-standard”policy loop developed by Guangzhou reduce the fire incidence of priority historic buildings while retaining heritage authenticity,offering a replicable paradigm for balancing fire safety and conservation in hot-humid,high-density contexts.展开更多
基金supported by Guangzhou Railway Polytechnic(No.GTXYRC 250107)Guangzhou Municipal Education Bureau(No.2025YBJG010).
文摘As the core carrier of Lingnan culture and a nationally famous historical&cultural city,Guangzhou preserves more than 3000 immovable historic buildings,including arcade rows,ancestral halls,Xiguan mansions and modern public edifices.Their brick-timber hybrid structures,high-density“bambootube”street pattern and hot-humid subtropical climate create unique fire challenges.This study systematically summarizes an“inherent-acquired-environmental”superimposed fire-risk mechanism.By integrating traditional Cantonese fire-resistance wisdom—such as Qingyun fire lanes,wok-ear gables and courtyard smoke vents—and heritage-friendly innovations,a three-level policy-technology-management protection framework is established.Hierarchical protection aligned with value grading,life-cycle technology pathways and multistakeholder collaboration is proposed.The“minimum-intervention and performance-based”route and the“regulation-guideline-standard”policy loop developed by Guangzhou reduce the fire incidence of priority historic buildings while retaining heritage authenticity,offering a replicable paradigm for balancing fire safety and conservation in hot-humid,high-density contexts.