In API 650 Appendix E, a factor of 1.5 is used to adjust the spectral accelerations from 5% to 0.5% damping. No explanation is given why this is valid. What method may be used to establish the spectral acceleration at 0.5% damping given a response spectrum at 5% damping?
Red Flag Submitted
Thank you for helping keep Eng-Tips Forums free from inappropriate posts. The Eng-Tips staff will check this out and take appropriate action.
Reply To This Thread
Posting in the Eng-Tips forums is a member-only feature.