oa Civil Engineering = Siviele Ingenieurswese - Investigation into stability of a silo with concentric and eccentric emptying

Volume 32, Issue 3
  • ISSN : 1021-2000



This paper reports on a qualitative experimental programme on model silos. The objective was to study the flow patterns in a silo of given proportions, with either a concentric or an eccentric outlet, as well as the susceptibility to buckling of a steel silo with either of the two types of outlet. It was found that a thinwalled silo with a concentric outlet tends to be surprisingly well behaved, and one with an eccentric outlet equally surprisingly susceptible to buckling and collapse. It is concluded that none of the existing theories adequately address the issue of buckling of an eccentrically-emptied silo.

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