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Lifting Lugs Design

by zubir
Tags: applied force
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Dec13-11, 10:18 PM
P: 1
Dear Experts,

I have vessel with lifting lug attached to the shell.
Vessel weight = 1681.84 N

How to calculate:-
1) vertical force
2) nominal radial force
3) horizontal force
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Simon Bridge
Dec13-11, 11:24 PM
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Welcome to PF.

You need to draw a free body diagram and use trigonometry.
The details depend on the geometry of the situation - where the lugs are fitted, how many are being used, how the cables (or whatever) are attached etc.
Dec14-11, 07:06 AM
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If building vessels for the US, you'll also need to comply with ASME BTH-1, "Design of Below-the-Hook Lifting Devices".

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