Pressure of agricultural bulk solids under eccentric discharging of cylindrical concrete silo bin
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Faculty of Civil and Environmental Engineering, Białystok University of Technology, Wiejska 45, 15-351 Białystok, Poland
Int. Agrophys. 2010, 24(1): 51-56
The paper presents selected results and discussion of model investigations of horizontal silo pressure distribution during eccentric discharging for an outlet located in the lower part of a silo wall conducted at the Białystok University of Technology using a ferrocement circular silo model. Tests were conducted using white mustard seeds were used as the agricultural bulk solid. Pressure were measured using a system of embedded pressure cells. The model studies revealed dynamic characteristics of eccentric pressure changes. Results were compared with the theoretical bulk solid pressures calculated on the basis of Eurocode 1 provisions. The results of these studies confirmed that a non-uniform distribution of discharge pressures occured in the silo wall in the very early stages of the eccentric discharging process. Continuation of eccentric discharge leads to a more uniform pressure distribution.
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