Silo design

[amin86]

I'm trying to design a fly ash silo for a FE course; it does anyone know the load combinations in the american or preferably canadian code?
I should assign shell type thick for the outer walls right?
whats the difference between shell type thick and thin?
thanks

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[IJR]

I think when a shell is thick shear deformations are important, when they ar thin, shear deformations are not important

YOurs will probably be a thin shell

Combinations? It is a concrete structure, with no special considerations(sanitary structures have bigger load factors but not silos)

use ACI or Canadian concrete codes. Detail properly, watch joints between silos if any. That is all.

If you have time read Mark Fintels "Concrete Engineering Handbook". There is a section about silos.

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respects
ijr