Table 1a: Silo Material and Geometrical properties.

Parameter Value
Compressive Strength of Concrete Slab 17.25 MPa
Yield Strength for Slab Steel 300 MPa
Slab thickness 200 mm
Concrete Compressive Strength of Wall, Hopper, ring girder and columns 25 MPa
Yield Strength for Steel 420 MPa
Silo Wall Thickness 250 mm
Width of Ring Girder 600 mm
Depth of Ring Girder 1125 mm
Unbraced length of column 8.0 m
Unit Weight, γ = 77 kN/m3
Ultimate Strength, Fu = 400 MPa
Modulus of Elasticity, E= 200 GPa