学科分类
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1 个结果
  • 简介:Theobjectiveofthisresearchwastoshowawaytoconductrejuvenationofagedpolymermodifiedasphaltbinder(PMB)successfully.TofullyevaluateandunderstandtherejuvenationofagedPMB,thePenetrationgradetestsincludingpenetration,softenpoint,ductilityandelasticrecoveryandSuperpaveTMPGgradetestsincludingDSR,BBRandDDTwereconducted.TherejuvenationeffectofagedPMBbyutilizingafluidrecyclingagentincommonuseforbinderrejuvenationwasevaluated.AndthenthecompoundrejuvenationeffectofagedPMBbyutilizingtherecyclingagentwithanewmodifyingadditiveforbindermodificationwasevaluated.Theexperimentalresultsindicatedthattherecyclingagentincommonusecurrentlydoesnotapplytopolymermodifiedasphaltbinderrejuvenation.Buttherecyclingagenttogetherwiththemodifyingadditivecanrestorethecharacteristicsofagedpolymermodifiedbinderverywell.Therefore,compoundrejuvenationofpolymermodifiedasphaltbinderisrecommended.

  • 标签: 聚合物改性沥青 复合改性沥青 粘合剂 改性添加剂 再生剂 弹性恢复