Dynamic Design of Deepwater Bottom-Founded Towers

by Denby Grey Morrison, Shell Development Co, Houston, United States,

Document Type: Proceeding Paper

Part of: Civil Engineering in the Oceans V


This paper traces the development of dynamic design techniques for deepwater bottom-founded towers by the following: the classification of bottom-founded towers as either `stiff' or `compliant'; the general dynamic character of stiff offshore towers; stiff-tower dynamic design methods; the dynamic behavior of `stiff' towers during on-bottom installation phases when compliant action is expected but not obtained; the general dynamic character of compliant offshore towers; and practical design of compliant towers with a specific 20-second portion of random wave - `the Designer Wave'

Subject Headings: Dynamic loads | Structural dynamics | Offshore structures | Random waves | Structural design | Structural behavior | Water waves

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