Lifting Beam Comparison
55°
100t
55°
100t
Eccentric
vs.
centric beam
SiB
ENGINEERING
100t
100t
Force Offset
Moment induced in beam due
to offset (force eccentricity)
No moment induced in beam.
Vertical forces are aligned.
100t
100t
70t
70t
100t
100t
Force
offset
SiB
ENGINEERING
FE-Analysis
SiB
ENGINEERING
FE-Analysis - Results
Deformation
Normal stress
Compressive stress
Tensile stress
SiB
ENGINEERING
Constant
compressive stress
Conclusion
Eccentric Lifting Beam
Poor design due to induced bending moment in the
lifting beam in addition to compressive forces.
Bolts are subjected to tensile loading as well.
Centric Lifting Beam
Good design due to pure compressive forces acting
in the beam.
SiB
ENGINEERING