The study about the jacket platforms in the past has revealed that the most of the collapse failures occur due to the lack of strength of the pile foundation. However, when the jacket platforms which have been collapsed due to extreme condition were looked into, it was found that most of them had their foundations intact. These contrasting facts can be explained with the help of the phenomenon ...

As an important contribution to the fulfilment of renewable energy targets, offshore wind sector in Europe has grown significantly over past decade (WindEurope 2021). Jacket structures are becoming more widely used as substructures for turbines accommodate expansion towards greater water depth and provide a stable basis megastructures with hub heights than 200 m. However, there have been few st...

Offshore jacket platforms (OJPs) may be exposed to harsh environmental conditions during their operation in different return periods. It is necessary evaluate the dynamic performance of OJPs subjected extreme wave loadings secure a safe operation. In earlier studies, various approaches were introduced analyze response an OJP sea states. However, serious shortcoming proposed methods computationa...

Decommissioning offshore platforms present unique safety and health challenges to the oil gas industry. In Malaysian waters, there are over 300 fixed jacket platforms, most of them exceeded design service life 25 30 years. One key that determine method removal aged is subsea cutting techniques. As underwater a challenging expensive task, it very much essential develop cost-effective techniques ...

Tetrapod piled jacket (TPJ) foundations that support offshore wind turbines (OWTs) tend to be subjected significant torque is caused by eccentric loading from wind, waves, or accidental vessel impact. This paper presented a comprehensive three-dimensional (3D) numerical analysis investigate TPJs performance under torsional loading, which considered the distribution of local and rotation over pi...

Most of the offshore wind turbines (OWT) recently installed in Europe, China and North America are shallow water. However, unlocking full potential OWT lies deeper waters. Jacket substructures have presented themselves as a reliable foundation concept for transitional water depth. This study focuses on structural static dynamic analysis traditional jacket (with X K bracing) patented three-legge...