不同纤维沥青混合料性能研究  

Study on the Performance of Different Fiber Asphalt Mixture

作　　者：孔令绅 李文凯 KONG Lingshen;LI Wenkai(Henan Zhongzhou Road and Bridge Construction Co.Ltd.,Zhoukou 466000,Henan China;Henan Jiaoyuan Engineering Technology Co.Ltd.,Zhengzhou 450000,China)

机构地区：[1]河南中州路桥建设有限公司,河南周口466000 [2]河南交院工程技术有限公司,郑州450000

出　　处：《河南科学》2020年第5期791-796,共6页Henan Science

基　　金：国家自然科学基金项目(51708513);河南省重点科技攻关计划项目资助课题(152102210033)。

摘　　要：选用玄武岩纤维、木质素纤维以及聚酯纤维对AC-13C、SMA-13沥青混合料展开研究.通过对三种纤维沥青混合料相关性能研究,确定路用性能改善效果最优的纤维及纤维的最佳掺量;通过对不同纤维AC-13C、SMA-13混合料进行矿料级配设计及马歇尔试验,确定不同纤维掺量时混合料的最佳油石比及最佳纤维掺量;通过对不同纤维在最佳掺量时AC-13C、SMA-13混合料进行高温抗车辙、低温抗开裂以及抗水毁等路用性能试验得出,AC-13C沥青混合料玄武岩纤维、木质素纤维、聚酯纤维最佳掺量分别为0.4%、0.4%、0.3%,SMA-13沥青混合料玄武岩纤维、木质素纤维、聚酯纤维最佳掺量分别为0.5%、0.4%、0.4%,三种纤维在最佳掺量时均能改善AC-13C、SMA-13沥青混合料的路用性能,其中玄武岩纤维改善效果最优.In this paper,basalt fiber,wood fiber and polyester fiber are selected to study AC-13C and SMA-13 asphalt mixture.Through the research on the related performance of three kinds of fiber asphalt mixture,the best fiber and the best content of fiber are determined;through the mineral aggregate gradation design and Marshall test of different fiber AC-13C and SMA-13 mixtures,the best oil stone ratio and the best fiber content of the mixture are determined;through the best content of different fiber AC-13C and SMA-13.The results show that the best content of basalt fiber,wood fiber and polyester fiber in AC-13C asphalt mixture is 0.4%,0.4%and 0.3%respectively,and the best content of basalt fiber,wood fiber and polyester fiber in SMA-13 asphalt mixture is 0.5%,0.4%and 0.4%respectively to improve the performance of AC-13C and SMA-13 asphalt mixture,basalt fiber is the best.

关 键 词：纤维 矿料级配 最佳油石比 路用性能 

分 类 号：U416.217[交通运输工程—道路与铁道工程]