Technical Articles Articles

How soil vertical stiffness parameters affect buried pipelines

Introduction Pipe soil interaction is a critical subject of analysis in the field of the offshore industry. A pipe once buried in the seabed is usually in equilibrium with the surrounding soil. There are however various forces which are still in action even if the...

Three simple but useful calculations when towing a Vessel

In this article, we will explore three simple but useful calculations that can be used for towing operations. They are: Towline Stiffness Propeller race Towing bridle force DNV-RP-H1o3, Modelling and Analysis of Marine Operations, FEBRUARY 2014 has been referenced...

The why and how of freeboard calculation of a ship

Introduction Freeboard is a common term used in vessel operations. Freeboard is the smallest vertical distance between the waterline and the freeboard deck (generally the upper deck) along the length of the vessel. The term ‘smallest’ is of significance, as the height...

Calculating the maximum stacking height of pipes

Introduction Pipes (or linepipes or joints) are used for multiple purposes and locations in the maritime/offshore industry. Onshore and offshore pipelines are used for transportation of fluids on land, over and underwater. Pipes are fabricated in an onshore facility...

Designing bolts for a joint connection

Designing bolts for a joint connection

Introduction Bolts are very commonly used fastening items and used in a variety of configurations. In this...

The why and how of designing a lifting beam

The why and how of designing a lifting beam

Lifting beams are universally applied gear used widely in various types of lifting operations, onshore and offshore....

Draft Surveys: Methodology, Calculations, and common errors

Draft Surveys: Methodology, Calculations, and common errors

Introduction Marine transport is the backbone of the global trade and reasonably can be considered to be the...

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