DEM Simulations in silos with corrugated steel walls
2023
Gallego Vázquez, Eutiquio | Wiącek, Joanna | Fuentes Pardo, José María | Madrid, Marcos | Ayuga Téllez, Francisco
Granular materials play an important role in building, chemical, pharmaceutical, agricultural, fuel or food industries, among others, and more than 45 billion tons of products are handled worldwide every year. Bulk materials are usually stored in bins, hoppers and silos, which experience significant and particular structural and flow problems [1]. Steel silos with corrugated walls are widely used due to a more economical steel consumption and smaller weight, compared to the smooth wall solution. However, corrugations affect the friction between the stored material and the wall, resulting in changes in the pressures exerted over the silo walls, the material flow inside the silo or the shear band formation. These circumstances are not entirely considered by European standard EN 1991-4 used for silo design [2].
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