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What is Sleipner A Platform Failure Analysis about?

The first concrete base structure for the Sleipner A offshore oil and gas platform sank during preparation works in 1991. An investigation found the sinking was caused by a failure in a cell wall due to a serious error in the finite element analysis used in the design. The analysis underestimated shear stresses by 47%, leading to insufficient reinforcement in a critical area. A redesigned structure based on improved analysis predicted failure would occur at the actual depth the first base sank.

Author

Ashutosh Verma

Language

EN