Thanks everybody for these profitable posts
The bottom of this is the analysis of subsea pipelines laid on seabed - and in particular how much they self-embed.
The soil is described as very soft clay with Su = 5 kPa (or 100 psf !) at suface, linearly increasing to 40 kPA at 33m depth. I have...
Pipeline engineer with only limited knowledge in soil mechanics:
A seabed soil is described as clay with undrained shear strength of 5 kPa (21 psf).
I am assuming this is the undisturbed shear strength. What would be the typical upper bound and lower bound values for the ratio undisturbed to...
Thanks - I was rather thinking in terms of ext pressure effects. The pressure field is acting over the coating circumference which is in our case significantly different from the steel diameter:
The end-cap force calculated based on the overall dia. is then the total (steel + coating) force -...