Abstract
This paper deals with the combustion behavior and thermal decomposition of two typical kinds of plywoods used in composite floor. The experimental study was performed in fire propagation apparatus and combustion parameters including ignition time, heat release rate, mass loss rate and effective heat of combustion were analysed. The results show that the risk of ignition and heat release of alder is higher than that of Huang Jin Guo Mu under most heat fluxes. Three thermal decomposition stages are proposed according to the characteristics of mass loss rate and temperature profiles. The present work provides input parameters for numerical modeling and gives guidance for fire risk assessment of rail transit.
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