1 Feb Recommended Practice for Planning, Designing and Constructing Fixed Offshore Platforms – Load and Resistance Factor Design. API RP2A-LRFD (load and resistance factor design) has recently been approved by the American Petroleum Institute for the design of fixed offshore steel. API 2A LRFD – Recommended Practice for Planning, Designing, And Constructing Fixed Offshore Platforms – 93 – Ebook download as PDF File .pdf), Text File.
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The work is confined to the in-place strength of the jacket and module support frame MSF. Some of the OnePetro partner societies have developed subject- api rp 2a lrfd wikis that may help.
The designation ‘load resistance factor design’ derives from the concept of factoring both loads and resistances as qpi to the working stress design approach where only the resistance is divided by a factor of safety.
As a reliability based alternative, the load resistance factor design LRFD method offers a more consistent approach to platform api rp 2a lrfd than does the existing RP2A working stress design WSD method. This is achieved by providing a basic framework for design, accompanied by guidance on problem areas lying outside this framework.
Offshore Technology Conference Disciplines 4. LRFD however, is an improved approach to structural design which takes into account the possible uncertainties in the applied 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. Proceedings of an International Conference Submersible Technology: Since it was first issued inapi rp 2a lrfd working stress code RP2A Ref 2 has lgfd an internationally accepted standard for fixed platforms.
A Comparative Study Using API RP2A-LRFD – OnePetro
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Advanced search Show search help. Proceedings of an international conference Subsea Api rp 2a lrfd and Data Api rp 2a lrfd ‘ Although fundamental differences exist between the WSD and LRFD versions, the two documents remain remarkably similar with the LRFD draft containing most of the carefully phrased clauses 2x are familiar to many practicing engineers.
Rock Mechanics Symposium and 5th U. The issue of a load resistance factor design version reflects the worldwide trend away from working stress design to reliability based methods.