API RP2A LRFD PDF

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 API RP 2A-LRFD [ Withdrawn ].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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Log in to your subscription Username. Proceedings of an international conference Diverless and Deepwater Techology: About us Contact us Help Terms of use.

Partial factors are used to account explicitly for the variance of criteria, and can therefore be calibrated to aoi more consistent safety levels. Log in to your subscription Username. Sheriff’s Encyclopedic Dictionary of Applied Geophysics, fourth edition.

A Comparative Study Using API RP2A-LRFD – OnePetro

Proceedings of an international conference Oceanology: Proceedings of an international conference Subsea Controls and Data Acquisition ‘ Proceedings of ep2a International Conference Submersible Technology: Offshore Technology Conference Disciplines 4. As a reliability based alternative, 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.

The effect on total structure weight and the differing effect on various categories of structural element are summarised. Proceedings lrfs an international conference Subsea Controls and Data Acquisition ‘ About us Contact us Help Terms of use. Proceedings of an International Conference Submersible Technology: Thomas BP Engineering R.

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However is expected to see the publication of the Load and Resistance Factor Design version as an AP1-approved apu. Proceedings of an international conference Diverless and Deepwater Techology: 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 which are familiar to many practicing engineers.

Rock Mechanics Symposium and 5th U.

This paper does not discuss the very important but less quantifiable concepts of structural redundancy and the ability to redistribute loads from non-performing structural elements. Peer reviewed only Published between: The work is confined to the in-place strength of the jacket and module support frame MSF.

Advanced search Show search help. Proceedings of an international conference Oceanology: This is achieved by providing a basic framework for design, accompanied by guidance on problem areas lying outside this framework. The designation ‘load resistance factor design’ derives from the concept of factoring both loads and resistances as opposed to the working stress design approach where only the resistance is divided by a factor of safety.

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. LRFD however, is an improved approach to structural design which takes into account the possible uncertainties in the applied loads and component resistances.

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.

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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.

These aspects assume increasing importance as element design is apu refined. 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. The study is based on work performed for Woodside as part of the substructure design for 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.

Since it was first issued inthe working stress code RP2A Ref 2 has become an internationally accepted standard for fixed platforms. The WSD methodology has been successfully applied largely without change within Europe and worldwide.

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Peer reviewed only Published between: Publishers Content Coverage Privacy. Rock Mechanics Symposium and 5th U. Advanced search Show search help. 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. Offshore Technology Conference Disciplines 4.