Abstract
Abstract The current paper presents a brief survey of literature relevant to buckling of cone-cylinder intersection under different loads such as (i) internal pressure, (ii) external pressure, and (iii) axial compression. The paper explores the up-to-date knowledge on the buckling of cone-cylinder intersection and highlights the areas of gap in knowledge. This is aimed at contributing to better understanding of the relevant issues such as the influence of different types of imperfections in updating the current design guideline that is found to be vital in industrial practice. The review is thematically divided into: (i) the methods adopted in the past work (i.e., how the data were obtained, type of material used, type of design with/without reinforcement), (ii) the highlight and importance of past findings, (iii) the sensitivity to imperfection and its design implications and (iv) the current design recommendation and guidelines. Finally, the current paper provides a brief state-of-the-art and presents an update of related works for the future establishment of shells design guidelines.
Highlights
Cylinders with different closure at their ends by revolving shells are used in many engineering industries
Zhao and Teng (2001) indicated that the effect of initial imperfections was found to be very limited for cone-cylinder intersections under internal pressure
For the case of imperfect stiffened cone-cylinder intersection subjected to internal pressure, Zhao and Teng (2004a, 2004b) reported that (i) geometric imperfections, (ii) effects of welding and (iii) the interaction between shells junction and cone/cylinder sections/compartments should be taken into account for a better numerical estimation against experimental
Summary
Cylinders with different closure at their ends by revolving shells (e.g. hemispheres, cones, etc.) are used in many engineering industries. The intersection is notably a simple weld-joint In designing these cylinder/end closure combinations, it becomes necessary to take into account the structural capability in resisting the buckling occurrences caused by the excessive load during operation which can be catastrophic. The overall investigations conclude that the initial imperfections in the form of eigenmode together with material non-linearity were the most detrimental for the silo resulting to inconsistent estimation of buckling load (20-55% decrease of buckling strength). The current paper explores the up-to-date knowledge on the buckling of cone-cylinder intersection and highlights the areas of a gap in knowledge This is aimed at contributing to a better understanding of the relevant issues in updating the current design guideline that is found to be vital in industrial practice
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