4

Offshore structures design

Chapter four is presenting the design of the different element such as the tubular joint, and select the best bracing system. This chapter present the calculation of the leg ring to withstand the hydrostatic load and vertex induced vibration will be illustrated through an example.

Keywords

VIV; joint can; grating; stair; ring; design; dynamic analysis; stress concentration; fatigue; bracing; structure

4.1 Introduction

Offshore fixed platform design consists mainly of three parts, the first one is the design of the deck that carries the topside facility. The dimension of the deck depends on the function of the platform and the facilities located on it.

The second part is the design of the jacket, which depends mainly on ...

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