高掺量厂拌热再生RAP料级配控制研究  

Research on Gradation Control of Hot Mix Regeneration RAP Material in High Volume Plant

作　　者：黄雪林 HUANG Xuelin(Jiangsu Suqian Traffic Engineering Construction Co.,Ltd.,Suqian 223800,China)

机构地区：[1]江苏宿迁交通工程建设有限公司,宿迁223800

出　　处：《现代交通技术》2020年第3期17-21,共5页Modern Transportation Technology

摘　　要：我国公路大中修及改建项目工程量不断增长,沥青路面RAP料应用于高掺量厂拌热再生混合料的生产符合节能环保需求。通过研究不同来源RAP料的级配变异性和级配细化现象,分析了RAP料在铣刨阶段、破碎阶段、存贮筛分阶段的级配特征,并对各阶段级配控制提出了针对性建议。The project volume of major highway repairs and reconstruction projects in China has been increasing.The application of asphalt pavement RAP materials in the production of high-volume plant-mixed heat-recycling mixtures meets the requirements of energy conservation and environmental protection.This paper analyzes the gradation variability and gradation refinement of RAP materials from different sources,studies the grading characteristics of RAP materials in each stage of milling,crushing,storage and screening,and gives the gradation of each stage targeted recommendations for control.

关 键 词：高掺量厂拌热再生 级配控制 铣刨阶段 破碎阶段 存贮筛分阶段 

分 类 号：U416.217[交通运输工程—道路与铁道工程]