A new formula of Voids in the mineral aggregate (VMA) of Hot Mix Asphalt (HMA) and its application

被引：1
|
作者：
Liu, Shutang [1 ]
Shao, Changshun [2 ]
Cao, Weidong [1 ]
Liu, Xiao [1 ]
机构：
[1] Shandong Univ, Sch Civil Engn, 17923 Jingshi Rd, Jinan 250061, Peoples R China
[2] Jining Highway Engn Co, Jining 272037, Peoples R China
来源：
ADVANCES IN COMPOSITES, PTS 1 AND 2 | 2011年 / 150-151卷
关键词：
Hot Mix Asphalt (HMA); Voids in the mineral aggregate (VMA); Formula establishing; Aggregate gradation; Superpave system;
D O I：
10.4028/www.scientific.net/AMR.150-151.1158
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
Voids in the mineral aggregate (VMA) is an important volume index for hot mix asphalt (HMA). In the popular HMA design methods such as Superpave system and Marshall Method an accurately calculated VMA is a crucial selection index for the aggregate gradation design. In this article a new formula for calculating VMA is established from the mathematic deduction based on the air voids and traditional VMA formulas. The new built VMA formula can be used to examine the result of the existing empirical equation in the aggregate gradation design process of Superpave. In fact, when the estimated asphalt content is determined according to the initial asphalt content the new formula can completely replace the empirical one for estimating VMA, offering conveniences to calculating.
引用
收藏
页码：1158 / +
页数：2
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