Characterization of thermal properties and combustion behaviour of asphalt mixtures in the cone calorimeter

Bonati, Alice; Rainieri, Sara; Bochicchio, Giovanna; Tessadri, Barbara; Giuliani, Felice

doi:10.1016/j.firesaf.2015.04.003

In caseofvehicle fires inhighwaytunnels,hightemperatures,lowvisibilityalongwiththeemissionof toxicanddangerousgasesrepresentsignificant hazardsforthesafetyofthevehiclepassengersinvolved, as wellasfortheintegrityofthetunnelstructure.Thus,materialspotentiallyexposedto fires mustshow adequate fire behaviourinordertoguaranteethesafetyofpassengers,rescueteamsandstructures.The present studyaddressesthecharacterizationofthermalpropertiesandcombustionbehaviourofdif- ferent kindsofasphaltmixturesbymeansofconecalorimetertestsperformedatdifferentradiantheat fluxes.Theresultshighlightedthatcoarseaggregatesofdifferentnaturemainlyaffecttheignition properties ofmixtureswhiletheairvoidscontentplaystheleadingroleingoverningtheoverall fire behaviour.

Characterization of thermal properties and combustion behaviour of asphalt mixtures in the cone calorimeter / Bonati, Alice; Rainieri, Sara; Bochicchio, Giovanna; Tessadri, Barbara; Giuliani, Felice. - In: FIRE SAFETY JOURNAL. - ISSN 0379-7112. - 74:(2015), pp. 25-31. [10.1016/j.firesaf.2015.04.003]