[Update 24 Nov 2014: Now also available in English Units at no additional charge. Upon download, you'll get two files: one in SI units and other in English units]
This excel spreadsheet helps you design a pad-eye for Lifting or Marine Transport Operations/Lashing design. It can also be used to verify an existing pad-eye for sling loads.
A simple pad-eye without brackets, and with one cheek plate can be designed.
It rigorously calculates all the stresses coming onto the pad-eye, viz.
1. Geometry check: Main plate radius, Shackle clearances
2. Stress Check for Pin Hole (Tensile, Bearing, Shear, Hertz stress)
3. Stress check for Base Plate (Tensile, Bending, Shear, Von Mises and Combined)
4. Stress Check for Base Weld (Tensile, Bending, Shear, Total Stress)
5. Shear Stress Check for Cheek Plate Weld
Immensely useful for Marine Operations. It is based on the standard references:
API RP 2A WSD
Nobledenton Guidelines for Marine Lifting and Lowering Operations 0027/ND
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