ATB-30沥青混合料VVCM与马歇尔设计对比  

Comparison of VVCM and Marshall Method for ATB-30 Asphalt Mixture Design

作　　者：蒋应军[1] 孔令飞[1] 陈浙江 

机构地区：[1]长安大学特殊地区公路工程教育部重点实验室,陕西西安710064 [2]金华市公路管理局,浙江金华321000

出　　处：《公路交通科技》2015年第6期6-11,共6页Journal of Highway and Transportation Research and Development

基　　金：交通运输部行业联合科技攻关项目(2010353361300)

摘　　要：通过室内外试验验证垂直振动成型(VVCM)试件的可靠性,对比研究VVCM方法和马歇尔方法对ATB-30沥青混合料设计的影响。结果表明:ATB-30沥青混合料VVCM试件的体积指标更接近于路面芯样,VVCM试件的力学强度与路面芯样的相关性高达94%,而马歇尔试件的相关性不足61%;与马歇尔法设计ATB-30沥青混合料相比,VVCM设计ATB-30沥青混合料节约沥青约8%,密度提高了1.6%,马歇尔稳定度、动稳定度、抗剪强度、抗拉强度分别提高了54%,39%,55%,54%,水稳定性也有所提高。Through indoor and outdoor experiments, the reliability of vertical vibration compaction molding （VVCM） specimens is verified. The influence of VVCM and Marshall design method on designing ATB - 30 asphalt mixture is compared. The result shows that （1） the volume indicators of the VVCM specimens of ATB - 30 asphalt mixture are more close to those of the core samples, the correlation between the mechanical strengths of VVCM specimens and core samples is up to 94% , while the correlation of Marshall specimens is less than 61% ; （2） compared with the ATB -30 asphalt mixture designed by Marshall method, the ATB - 30 asphalt mixture designed by VVCM can save asphalt about 8% and the density is increased by 1.6% ; （3） Marshall stability, dynamic stability, shear strength and tensile strength of ATB -30 asphalt mixture designed by VVCM is increased by 54%, 39%, 55% and 54% respectively, its water stability is also improved.

关 键 词：道路工程 沥青混合料 VVCM 马歇尔方法 ATB-30 

分 类 号：U416.223[交通运输工程—道路与铁道工程]