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Dynamic Mechanical Characterizations and Road Performances of Flame Retardant Asphalt Mortars and Concretes 被引量:1
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作者 秦先涛 ZHU Siyue +1 位作者 LI Zuzhong CHEN Shuanfa 《Journal of Wuhan University of Technology(Materials Science)》 SCIE EI CAS 2015年第5期1036-1042,共7页
To research the dynamic mechanical properties and road performances of flame retardant asphalt mortars and mixtures, four different asphalt mortars/mixtures were prepared: a reference group and three asphalt mortars/m... To research the dynamic mechanical properties and road performances of flame retardant asphalt mortars and mixtures, four different asphalt mortars/mixtures were prepared: a reference group and three asphalt mortars/mixtures containing composite flame retardant materials(M-FRs) of different proportions. Temperature sweep, frequency sweep, repeated creep test, force ductility test and bending beam rheological test were carried out to research the dynamic mechanical properties of asphalt mortars containing M-FRs; wheeltracking test, low-temperature bending test and freeze-thaw split test were used to study the road performances of asphalt mixtures containing M-FRs. The results show that high-temperature performances of the three flame retardant asphalt mortars improve greatly, while low-temperature cracking resistances decline. Both hightemperature performances and water stabilities of asphalt mixtures containing M-FRs are quite good and exceed the specification requirements. However, their low-temperature performances decline in different degrees. In summary, besides their good flame retardancy, the flame retardant asphalt mortars and mixtures also exhibit acceptable road performance. 展开更多
关键词 asphalt mortar asphalt mixture composite flame retardant materials dynamic mechanical characterization road performance
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