第53卷第2期2024年2月摘要:从材料研究与路面结构设计等角度综述了沥青及沥青混合料的低温性能研究进展,以沥青低温性能评价、沥青混合料低温性能评价及混合料低温性能仿真模拟评价三个角度介绍了近年来国内外针对沥青及沥青混合料的低温性能评价研究。认为应在材料研究、路面设计的基础上对高寒、大温差地区的路面低温性能展开探索;建立同高寒、大温差气候条件相适应的耐久性路面低温性能评价指标;并同时从力学仿真模拟领域人手,对沥青混合料的抗裂力学性能变化趋势进行深人研究。关键词:寒区;道路工程;沥青混合料;低温抗裂;评价指标中图分类号:TQ34;U414MAONan,ZHAIJian-liang,LAIHao,SHIChang-chun,LUFu-yang,XIONGRui(SchoolofMaterialsScienceandEngineering,Chang'anUniversity,Xi'an710061,China)Abstract:Thispaperreviewstheprogressoftheresearchonthelow-temperatureperformanceofasphaltandasphaltmixturesfromtheperspectivesofmaterialresearchandstructuraldesignofpavements.Inad-dition,theresearchonthelow-temperatureperformanceofasphaltandasphaltmixturesatbothdomesticandinternationallevelinrecentyearsisintroducedfromthreeperspectives:Evaluationofthelow-temper-atureperformanceofasphalt,evaluationofthelow-temperatureperformanceofasphaltmixturesandevalu-ationofthelow-temperatureperformanceofmixturesthroughsimulation.Itisbelievedthatthelow-tem-peratureperformanceofpavementsincoldandwidetemperaturedfferenceareasshouldbeexploredonthebasisofmaterialresearchandpavementdesign,theevaluationindexesoflow-temperatureperformanceofdurablepavementsadaptedtocoldandwidetemperaturedifferenceclimaticconditionsshouldbeestab-lishedandin-depthresearchshouldbecarriedoutonthetrendofcracking-resistantmechanicalpropertiesofasphaltmixturesfromthefieldofmechanicsimulationandmodelingatthesametime.Keywords:coldregions;roadengineering;asphaltmixtures;lowtemperaturecrackresistance;evalua-tionindicators沥青混合料的阻裂性能是衡量路面耐久性和安全性的关键指标之一。美国国家合作公路研究计划(NCHRP)9-57报告将沥青混合物中的裂缝分为四类:温度相关裂缝、载荷相关裂缝、疲劳裂缝和反射裂缝。在承受日常交通荷载、气候变化和其他外界因素的同时,需要保持沥青混合料完...