Abstract
Wet silage stored in tower silos may become saturated if sufficiently consolidated. Thisresults in liquid pressures on the silo wall in the saturated zone. A numerical study was carried out to quantify liquid and total pressures on walls of farm tower silos for wet alfalfa silage. A sensitivity test was carried out to test the effects of silo .dimensions, silage moisture content, friction coefficient and pressure ratio on the saturation height and lateral pressure. Larger silo diameter and height caused greater saturation heights and higher lateral pressures. Higher moisture content had a similar effect. Larger values of friction coefficient between silage and wall and of pressure ratio resulted in a decrease in saturation height and consequently in liquid pressure.
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