Measuring characteristics of aggregate material from vertical shaft impact crushers

被引:37
作者
Bengtsson, Magnus [1 ]
Evertsson, C. Magnus [1 ]
机构
[1] Chalmers, Dept Appl Mech, Chalmers Rock Proc Res, SE-41296 Gothenburg, Sweden
关键词
flakiness; shape; angularity; VSI; cone crusher; abrasive;
D O I
10.1016/j.mineng.2006.08.003
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
Natural gravel has traditionally been the main choice of material for Swedish concrete manufacturers. However, due to the fact that natural gravel also acts as a fresh water filter, the deposits are limited. The obvious question is how to compare machine made and natural gravel in terms of particle shape, theology and other material characteristics. This paper will present some methods and results that demonstrate performance of different machine made rock materials. Particle shape characteristics were assessed from flow measurements in a standard cone. The vertical shaft impact crusher (VSI) produces gravel that is a good alternative to natural gravel. The quality of the material and the particle shape seem to meet concrete producers' demands. (C) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1479 / 1486
页数:8
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