Evaluating the Effectiveness of Producing the Activated Mineral Powders from Technogenic Raw Materials for Asphalt Mixtures

被引：3
|
作者：
Trautvain, Anna [1 ]
Yadykina, Valentina [1 ]
Gridchin, Anatoly [1 ]
Pashkova, Christina [1 ]
机构：
[1] Belgorod Shukhov State Technol Univ, Kostyukova Str 46, Belgorod 308012, Russia
来源：
INTERNATIONAL SCIENTIFIC CONFERENCE URBAN CIVIL ENGINEERING AND MUNICIPAL FACILITIES (SPBUCEMF-2015) | 2015年 / 117卷
关键词：
Mineral powders; mill; surface area; activity; modification; anthropogenic raw materials; physical and mechanical properties; asphalt concrete; CORDIERITE;
D O I：
10.1016/j.proeng.2015.08.172
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The article describes the grinding efficiency of siliceous raw materials in various grinding units with respect to the alteration of their surface area and the concentration of active sites on the surface. The influence of mechanical activation of dispersed materials on the physical and mechanical characteristics of asphalt concrete has been evaluated. The proportional relationship between the number of active adsorption sites on the surface of milled mineral powders and the intensity of their interaction with bitumen, strength and water resistance of asphalt concrete has been determined, which allows to recommend this index as an integral characteristic evaluation of reactivity of materials to mechanical activation. (C) 2015 The Authors. Published by Elsevier Ltd.
引用
收藏
页码：350 / 356
页数：7
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