Research on the effect of the common flame retardant in reducing the flammability of the bitumen
JiNeng, TAN Yi-qiu, Zhang Lei
School of Transportation Science and Engineering,Harbin Institute of Technology,Harbin 150090,China
Abstract:
The bituminous defect that the binder is flammable will bring road safety risk.Once it catches fires,large quantities of heat,smoke and poisonous gas are produced,released and spread quickly,which seriously hinder escape and rescue and harms heavily traffic safety.The common flame retardant system is used to modify the asphalt.Cone Calorimeter is adopted to evaluate the burning property of asphalt.The performance of the flame retardant is evaluated by limiting oxygen index and orthogonal design method.The paper analyzes the synergism of the asphalt and flame-retardant,and analyzes the effect of the flame on preventing the smoke to spread and demonstrates that the use of common flame retardants which is added into binder is good at reducing the flammability of the binder.This way can increase the safety of asphalt pavement when fire occurs in the tunnel.The study suggests that flame retardancy of asphalt can be evaluated by Limit Oxygen Index (LOI) and the flame retardancy property of asphalt has marked change according to the content of flame retardant.SB has perfect flame retardancy property,and ATH is better than MH in the effect of flame retardant.
Key words: fire accident in tunnel flame retardant system flame retardant asphalt limiting oxygen index self-extinguishing materials
DOI：10.11916/j.issn.1005-9113.2011.04.027
Clc Number:U414
Fund:
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Research on the effect of the common flame retardant in reducing the flammability of the bitumen
本站小编 哈尔滨工业大学/2019-10-23
相关话题/Research effect common flame retardant
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