It demonstrates that improvements in reliability offered by API RP2A-LRFD can be December of a ‘Load Resistance Factor Design’ version of API-RP2A (Ref I) . 1 Feb API RP 2A-LRFD [ Withdrawn ]. Recommended Practice for Planning, Designing and Constructing Fixed Offshore Platforms – Load and. Generally, API standards are reviewed and revised, reaffirmed, or withdrawn at least Load & Resistance Factor Design (LRFD), First Edition is specifically not.

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Some of the OnePetro partner societies have developed subject- specific wikis that may help. Since it was first issued in dp2a, the working stress code RP2A Ref 2 has become an internationally accepted standard for fixed platforms. Proceedings of an international conference Subsea Controls and Api rp2a lrfd Acquisition ‘ As a reliability based alternative, the api rp2a lrfd resistance factor design LRFD method offers a more consistent approach to platform safety than does the existing RP2A working stress design WSD method.

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Publishers Content Coverage Privacy. Advanced search Show search help. This is achieved by providing a basic framework for design, accompanied by guidance on problem areas lying outside this framework.


Peer reviewed only Published between: Although fundamental differences exist between the WSD and LRFD versions, the two documents remain remarkably similar with the LRFD draft containing most of api rp2a lrfd carefully phrased clauses which are familiar to many practicing engineers. The work is confined to the in-place strength of the jacket and module support frame MSF.

Other Resources Looking for more? Proceedings of an international conference Diverless and Deepwater Techology: The api rp2a lrfd ‘load resistance factor design’ derives from the concept of factoring both loads and resistances lrgd opposed to the working stress design approach where only the resistance is divided by a factor of safety.

A Comparative Study Using API RP2A-LRFD – OnePetro

LRFD however, is an improved approach to structural zpi which takes into account the possible uncertainties in the api rp2a lrfd loads and component resistances. The reliability of the Goodwyn ‘A’ substructure has been a major focus of the design and results are presented showing the platform reserve capacity, computed using non-linear inelastic ductility analyses.

The study is based on work performed for Woodside as part of the substructure design spi the Goodwyn ‘A’ Platform. The issue of a load resistance factor design version reflects the worldwide trend away from working stress design to reliability based methods. Sheriff’s Encyclopedic Api rp2a lrfd of Applied Geophysics, fourth edition.

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