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core and the steel tube. The concrete core delays the bending and local buckling of the steel tube, while confinement of concrete through the steel tube enhances the strength and ductility of the concrete core. On the other hand, the steel tube works as

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susceptible area of the tower structure, as the first natural frequency is not close to the corresponding 1P and 3P and the tower is a soft–stiff tower design. Future research work and investigation will be based on the development of buckling and fatigue

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produce hexagonal openings. This process can increase the depth of a beam up to 50%, which results in a significant enhancement of the member's flexural strength, and the existence of openings in the web portions affects the buckling resistance of the

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EUROCODE 9 , Design of aluminum structures prEN 1999-1-1, Final Draft, 2006. Höglund T. Shear buckling resistance of steel and aluminum plate girders, Thin-Walled Structures Vol. 29 No. 1–4, 1997, pp. 13

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Pollack Periodica
Authors: Ivan Baláž, Yvonna Koleková, Lydia Moroczová, and Antonio Agüero

incorrect verification of out-of-plane buckling resistance of the column under combination of the axial and horizontal forces, do not solve built-up columns under combination of axial force and biaxial bending; do not solve built-up columns made from

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flexural strength of the compressed bars and the buckling strength of the plates and shells. Warps can result in dimensionally inaccurate structural elements and scrap. Therefore, it is necessary to estimate their magnitude in advance by calculating and

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are located in a high seismic hazard zone. Three retrofit schemes were introduced including; 1) X-Steel bracings; 2) buckling restrained composite bracings; and 3) composite concrete-steel plate shear walls. The seismic performance enhancement of the

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Federale de Lausanne, Lausanne, 2004 . [2] Luible A. Plate buckling of glass panels, GPD 2005 , Glass Processing Days

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Aydogdu M. Semi-inverse method for vibration and buckling of axially functionally graded beams, Journal of Reinforced Plastics and Composites , Vol. 27, 2008, online version http://jrp.sagepub.com/content/27/7/683 (last visited 20 December 2012

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In traditional orthotropic plates the trapezoidal longitudinal stiffener is welded to the transverse girder web and to the bottom flange of the main girder. In a recently developed orthotropic plate the stiffeners and the transverse girder web are not connected. This approach provides for a significant reduction in the amount of flame cutting and welding, but more importantly there is no longer a need to assess the fatigue condition of the weld between the stiffener and the web. On the other hand, the potential for local buckling of the free edge of the web near the trapezoidal stiffener must be considered.

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