Effects of granular size on stress transmission in a granular column

We investigate the deflection and the fluctuation of stresses due to different sizes of granular material in a cylindrical column. It is experimentally observed that the saturation mass systemically increases with granule diameter. The results indicate the shielding of vertical stress in silo is var...

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Bibliographic Details
Published in:Chinese physics B 2010-03, Vol.19 (3), p.359-362
Main Author: 阿不都拉 史庆藩 梁宣文 孙刚
Format: Article
Language:English
Subjects:
Deflection
Fluctuation
Granular materials
Granules
Saturation
Shielding
Silos
Stresses
压力波动
垂直应力
大规模系统
实验观察
应力传递
颗粒大小
颗粒材料
颗粒直径
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Summary:We investigate the deflection and the fluctuation of stresses due to different sizes of granular material in a cylindrical column. It is experimentally observed that the saturation mass systemically increases with granule diameter. The results indicate the shielding of vertical stress in silo is varying. We show that the ratio between the horizontal and the vertical stresses, K, decreases with the increase in grainule diameter d. In addition, it has also been found that the presence of larger granules leads to stronger stress fluctuation on the bottom plate of silo.
ISSN:1674-1056
2058-3834
DOI:10.1088/1674-1056/19/3/034601