Hoop stress in Jacket leg from rig mooring

[BigInch]

I can see some shear, some bending stress and a resultant longitudinal stress, but a classic hoop stress is the result of internal pressure and I don't see anything to casuse that.

We are more connected to everyone in the world than we've ever been before, except to the person sitting next to us. Lisa Gansky

 

[naggary]

The pressure applied is cause by the tension pulling force in the rope

 

[BigInch]

that would be a shear stress, not hoop stress. Its simple shear that happens to be on a circular section with a hole in it.

see this, half way down you find a circular section. For pipe section subtract the hole.

http://www.optics.arizona.edu/optomech/references/OPTI_222/OPTI_222_W10.pdf

Hoop stress for a thin circular section due to internal pressure is,

[σ]_h= P*D/2/t
P pressure
D outside diameter
t wall thickness

We are more connected to everyone in the world than we've ever been before, except to the person sitting next to us. Lisa Gansky