Abstract: This paper systemically investigate the effect on Marshall index offiber percent，fiber type，asphalt percent，fiber shape and other factors by Marshall test and pavement performance，then analyses tile mechanism offiber reinforced asphalt mix concrete，aiming to find out some theories to guide the project and construction on asphalt mix concrete pavement．

Key words: asphalt mix, fiber-reinforced, Marshall test, pavement performance, mechanism

摘要： 通过纤维沥青混合料马歇尔试验，系统的研究纤维掺量，纤维类型，沥青用量，击实次数，纤维形状各方面影 响因素对砼马歇尔指标的影响及路用性能，并分析了相应的纤维作用机理，旨在发现一些规律来指导混合料的设 计施工．

关键词: 纤维, 沥青混合料, 马歇尔试验, 路用性能, 作用机理