Behavior of Internally Ring-Stiffened Joints of Offshore Platforms

Hysteretic behaviour of square tubular T-joints with chord reinforcement under axial cyclic loading

“…The ring is placed inside the chord. Generally, three rings are placed at crown and saddle positions near the brace/chord intersection [8][9][10][11]. All the above reinforcing methods have been proved to be effective in improving the static strength of tubular joints.…”

<strong>Safety Assessment of an Aging Offshore Jacket Platform by Integrating Analytic Hierarchy Process and Grey Clustering Method</strong>

“…The increased information should not be disregarded since they may make it possible to perform more accurate analysis. Methods based on reserve strength ratio do formally only check the reserve strength of a structure [10] and will not cover possible failure modes as fatigue and wave-in-deck. Structural reliability methods typically account for capacity versus loading, particularly deal with the uncertainties of structural loads and their effects as well as resistance [1,11,12].…”

Detail investigation on un-stiffened T/Y tubular joints behavior under axial compressive loads

“…More recent studies have revealed further various aspects of tubular joints of different geometrical configurations and planes, and under combined loadings as well as with the presence of crack at welded intersection [6][7][8]. Also, some research has been performed on improving the static strength of tubular joints using different reinforcement details [9][10][11][12][13][14][15]. The strengthening techniques are based on metallic reinforcements such as internal ring stiffeners, doubler, collar and rack plates or increasing the chord thickness at the joint intersection.…”