subsealinepipe
Mechanical
- Jul 17, 2007
- 11
Introduction:
Ref. DNV-RP-F105(Feb 2006) for subsea pipeline free span analysis, I want to calculate STATIC vertical soil stiffness.
I understand there are 2 methods to calculated it as follows:
1)Simple method is to use table 7-5 / 7-6
2)Based on static vertical soil reaction sec 7.4.1 to calculated the pipe penetration (based on submerged weight) and then calculate stiffness
Question:
However, there is considerable difference on the results based on the above methods. Can somebody advise the reason (I think the result of 1st method is more reliable)
Regards,
Amir
Ref. DNV-RP-F105(Feb 2006) for subsea pipeline free span analysis, I want to calculate STATIC vertical soil stiffness.
I understand there are 2 methods to calculated it as follows:
1)Simple method is to use table 7-5 / 7-6
2)Based on static vertical soil reaction sec 7.4.1 to calculated the pipe penetration (based on submerged weight) and then calculate stiffness
Question:
However, there is considerable difference on the results based on the above methods. Can somebody advise the reason (I think the result of 1st method is more reliable)
Regards,
Amir
