摘要
在沥青混凝土AC-13中掺加不同掺量(0.15%,0.25%,0.35%)的聚酯纤维,对比分析橡胶沥青混凝土的路用性能、强度疲劳性能和表面性能随聚酯纤维掺量的变化规律。结果表明:随着聚酯纤维掺量的增加,沥青混凝土AC-13的性能得到显著提升。当聚酯纤维掺量为0.20%时,其大部分性能指标达到峰值,之后随聚酯纤维掺量的继续增加而逐渐衰减。说明过多的聚酯纤维会增加沥青混凝土AC-13的内部缺陷。
Different dosages(0.15%,0.25%,0.35%)of polyester fiber were mixed into the asphalt concrete AC-13 to compare and analyze the change laws of the pavement performance,strength fatigue performance and surface performance of rubber modified asphalt concrete with the polyester fiber content.The results show that the performance of the asphalt concrete AC-13 is significantly improved with the increase of polyester fiber content.When the polyester fiber content is 0.20%,most of the performance indexes reach the peak,and then gradually decline with the continued addition of polyester fiber,which indicates that excess polyester fiber can increase internal defects of the asphalt concrete AC-13.
作者
周志刚
蔡扬发
谭军
ZHOU Zhi-gang;CAI Yang-fa;TAN Jun(Key Laboratory of Road Structure and Material of Communication Industry,Changsha University of Science&Technology,Changsha 410114,China)
出处
《长沙理工大学学报（自然科学版）》
CAS
2021年第2期1-8,共8页
Journal of Changsha University of Science and Technology:Natural Science
基金
国家自然科学基金资助项目(51878079)
广东省交通科技计划项目(1912-0002)
云南省交通科技计划项目(云交科教[2020]84号)。
关键词
橡胶沥青混凝土
聚酯纤维
掺量
路用性能
强度疲劳性能
表面性能
rubber modified asphalt concrete
polyester fiber
content
pavement performance
strength fatigue performance
surface performance
