Marine Operations Articles

The Optim22 Method of Weight Optimization of Framed Steel Structures

1      Abstract A semi-automated structural weight optimization system is presented for framed structures of post and beam construction which is based on basic structural member design principles.   The approach is to adjust member properties in a manner that...

How to identify the spoolpiece lifting points?

In the offshore construction industry, the connection between the newly installed pipeline and the riser is accomplished via a series of ‘spoolpieces’ (or spools). The spool is fabricated by welding pipe joints to form an L-shaped, Z-shaped, or possibly a straight...

The importance of clear decision support before marine operations

Our oceans are interspersed with human activities: be it fishing, marine transportation, or offshore operations. These operations usually involve assets worth multiple million dollars, be it the produce or the equipment or in most cases, the human life. Produce from...

Sea Pressure Loads Calculation based on DNV Rules

Introduction   Sea pressure loads are an important factor in the structural design of a vessel. What is sea pressure load? As the term suggests, it is the external pressure on the vessel due to the surrounding sea. What kind of pressure it is, and how to...