探索保护结构工程进步的现代实验

Real-time Early Warning of Fire-Induced Collapse of Steel Trusses for Large-Span Buildings Guo-QiangLi1,2, Shaojun Zhu2, Jinyu Li2, Wei Ji2, Yao Wang2 and HonghuiQi2 1. State Key Laboratory of Disaster Reduction in Civil Engineering, Tongji University2. College of Civil Engineering, Tongji University, Shanghai, ChinaPROTECT 2024, Singapore, 13th–16thAug., 202401Background02Early-warning approach03Early-warning theory05Experimental validation06ConclusionsTable of contentsPage204Early-warning techniques01Background02Early-warning approach03Early-warning theory05Experimental validation06ConclusionsTable of contentsPage304Early-warning techniques01BackgroundPublic buildingsIndustrial buildingsØAdvantages: Good load-bearing capacity, Largeinternal space ØDisadvantages: Low in redundancy, Poorin fire-resistanceDemandsTypeIndustrialPublicResidentialHospital & SchoolOfficeProportion (%)55.622.211.17.43.7Building collapse accidents under fire in ChinaStatistic data of 2019Page4Steel truss struc