API RP2A LRFD PDF

Documents Similar To API RP 2A-LRFD – Offshore Platform Loading. Tubular Joint API RP 2A Design. Uploaded by. karanderohan. API RP 2A 21st – Joint. API RP2A-LRFD (load and resistance factor design) has recently been approved by the American Petroleum Institute for the design of fixed. API RP 2A-LRFD [ Withdrawn ]. Recommended Practice for Planning, Designing and Constructing Fixed Offshore Platforms – Load and.

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Sheriff’s Encyclopedic Dictionary of Applied Geophysics, fourth edition. But with the introduction of the LRFD methodology it has become possible to rationally account for the variance between US regional conditions and other localities. The reliability ali the Goodwyn ‘A’ substructure has been a major focus apu the design and results are presented showing the platform reserve capacity, computed using non-linear inelastic ductility analyses.

LRFD however, is an improved approach to structural design which takes into account the possible uncertainties in the applied r2pa and component resistances. This paper also discusses the different partial load factors applicable to gravity loads when improved accuracy of weight control is effected, and applicable to environmental load when yearor year return period extreme environmental criteria are used in the North Sea. The work is confined to the in-place strength of the jacket and module support frame MSF.

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Proceedings of an international conference Subsea Controls and Data Acquisition ‘ Proceedings of an international conference Diverless and Deepwater Techology: Sheriff’s Encyclopedic Dictionary of Applied Geophysics, fourth edition. Log in to your subscription Username. Thomas BP Engineering R. Proceedings of an International Conference Submersible Technology: Partial factors are used to account explicitly for the variance of criteria, and can lrfx be calibrated to provide more consistent safety levels.

This paper does not discuss the very important but less quantifiable concepts spi structural redundancy and the ability to redistribute loads from non-performing structural elements.

As a reliability based ro2a, the load resistance factor design LRFD method offers a more consistent approach to platform safety than does the existing RP2A working stress design WSD method. Proceedings of an international conference Subsea Controls and Data Acquisition ‘ About us Contact us Help Terms of use.

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Its use in Europe is supplemented by additional local regulatory requirements and performance criteria but the designmethodology, basic code checking equation sand safety levels for ultimate strength are primarily related to API RP2A.

Peer reviewed only Published between: However is expected to see the publication of the Load and Resistance Factor Design version as an AP1-approved alternative. Although fundamental differences exist between the WSD and LRFD lfd, the two documents remain remarkably similar with the LRFD draft containing most of the carefully phrased clauses which are familiar to many practicing engineers.

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Proceedings of an international conference Oceanology: Proceedings of an international conference Diverless and Deepwater Techology: The effect on total structure weight and the differing effect on various categories of structural element are summarised.

Publishers Content Coverage Privacy. Proceedings of an international conference Oceanology: Publishers Content Coverage Privacy. Lrvd Mechanics Symposium and 5th U. About us Contact us Dp2a Terms of use. The WSD methodology has been successfully applied largely without change within Europe and worldwide. Proceedings of an International Conference Submersible Technology: The study is based on work performed for Woodside as part of the substructure design for the Goodwyn ‘A’ Platform.

Rock Mechanics Symposium and 5th U. The issue of a load resistance factor design version reflects the fp2a trend away from working stress design to reliability based methods.

A Comparative Study Using API RP2A-LRFD – OnePetro

To conclude, this paper makes the connection between the work reported here and the international effort to develop an ISO Standard for offshore structures, in which partial factors appropriate to regional conditions will feature. Log in to your subscription Username.

Peer reviewed only Published between: