Journal ArticleDOI
Development of parametric equations for ultimate capacity of internally ring-stiffened tubular T/Y-joints under axial and moment load
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Tubular joints in offshore structures are designed using semi-empirical equations developed based on experimental and numerical studies as discussed by the authors, and same were recommend for use in API-RP-2A and other c...Abstract:
Tubular joints in offshore structures is being designed using semi-empirical equations developed based on experimental and numerical studies and same were recommend for use in API-RP-2A and other c...read more
Citations
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Design of Welded Tubular Connections : Basis and Use of AWS Code Provisions(構造)(学位論文要旨)
TL;DR: In this article, the authors present an approach for the analysis and design of tubular structures, based on the A.W.S. code, and propose new rules for tubular connections.
Journal ArticleDOI
Development of a probability distribution model for the SCFs in tubular X-connections retrofitted with FRP
TL;DR: In this paper , the results of performing 324 FE analyses on 108 circular hollow section (CHS) X-connections with fiber reinforced polymer (FRP) have been used to derive a probability distribution model for SCFs in the retrofitted joints under axial, IPB, and OPB loads.
Development of a methodology to estimate fatigue damage in tubular joints of jackets due to direct wave loads in splash zone
Sambit Dash,S. Nallayarasu +1 more
TL;DR: In this article , an alternate approach of elemental and cyclical time discretized method is proposed for more realistic fatigue life estimations, which can instrument in avoiding fatigue life underestimation (uneconomic) or overestimation (structural failure).
References
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Journal ArticleDOI
An incremental approach to the solution of snapping and buckling problems
TL;DR: In this paper, an incremental approach to the solution of buckling and snapping problems is explored, where the authors use the length of the equilibrium path as a control parameter, together with the second order iteration method of Newton.
Proceedings ArticleDOI
Ultimate Capacity Equations for Tubular Joints
TL;DR: In this paper, a total of 137 ultimate strength tests on simple T,Y,DT and K tubular joints are used as a basis for development of new ultimate capacity formulas and the accuracy of these formulas is then studied in a statistical manner.
Design of Welded Tubular Connections : Basis and Use of AWS Code Provisions(構造)(学位論文要旨)
TL;DR: In this article, the authors present an approach for the analysis and design of tubular structures, based on the A.W.S. code, and propose new rules for tubular connections.
Journal ArticleDOI
Parametric study and formulation of outer-brace geometric stress concentration factors in internally ring-stiffened tubular KT-joints of offshore structures
TL;DR: In this article, the effect of geometrical parameters on the chord-side stress concentration factors (SCFs) along the weld toe of the intersection between the outer (inclined) brace and the chord in internally ring-stiffened tubular KT-joints subjected to balanced axial loads was investigated.
Journal ArticleDOI
Strength prediction for ring-stiffened DT-joints in offshore jacket structures
TL;DR: In this article, a finite element study on tubular DT-joints with internal ring stiffeners subjected to axial brace compression is presented. And a theoretical model based on the observed failure mechanism in the stiffener is then presented, with a postulated six-hinge collapse mechanism.