E.4 Leg Support Calculation
E.4 Leg Support Calculation
E.4 Leg Support Calculation
Design Data :
W
Material EN 10025 S275JR
Modulus of Elasticity E 180000 Mpa X e X
Material Yield Strength Fy 275 Mpa a
Number of Legs n 3
Z
Leg Initial degree 45 deg
W
Geomtery Information : Y
Shell Data :
D
Outer Diameter of Shell D 600 mm Fv
Thickness of Shell ts 12.7 mm
Fh C.G
Fn = FD + FL
= Fv/n + 4M/nd
= 9450.1 N
2
Fcr = 0.71E/(b/t)
= 1840.3 Mpa
Mn2 = 0
= 0.0 N-mm
Note:
Since the calculation is refering bending
about the minor axis, the limit state of
yielding and leg local buckling is apply
Ratio = Fn/2Pn+(M/Mc)
= 0.98