Facade Fire Hazards of Bench-Scale Aluminum Composite Panel with Flame-Retardant Core

نویسندگان

چکیده

Façade fires in tall buildings are currently occurring more than once a month globally that responsible for many casualties and billions of dollars losses. In particular, the tragic Grenfell Tower fire London with 70 fatalities raised profile façade hazard. This work used well-controlled irradiation up to 60 kW/m2 re-assess hazard typical flame-retardant aluminum composite panels (ACPs) dimension 10 cm × 0.5 cm. We found vertically oriented ACPs “non-combustible” A2-grade “limited-combustible” B-grade cores could still be ignited above 35 25 kW/m2, after front layer peeled off. The peak heat release rate per unit area these higher common materials like timber PVC. Moreover, compared B-core panel, A2-core panel showed greater terms shorter ignition delay time, possibility core peel-off, longer flaming duration under current test size fixing condition. Because ACP is complex system, its not simply controlled by material. structural failure fire, including bending, softening cracking, may further increase depending on scale effect, boundary conditions. research improves our understanding systematic behaviors helps rethink risk methods building façade.

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ژورنال

عنوان ژورنال: Fire Technology

سال: 2021

ISSN: ['1572-8099', '0015-2684']

DOI: https://doi.org/10.1007/s10694-020-01089-4