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Stability and minimum lateral bracing for stepped columns with semi-rigid connections including shear effects: ii) verification and examples

ARISTIZABAL-OCHOA, JOSE DARIO (2012) Stability and minimum lateral bracing for stepped columns with semi-rigid connections including shear effects: ii) verification and examples. Dyna; Vol. 79, núm. 176 (2012); 19-26 DYNA; Vol. 79, núm. 176 (2012); 19-26 2346-2183 0012-7353 .

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URL oficial: http://revistas.unal.edu.co/index.php/dyna/article...

Resumen

The elastic stability analysis of single-stepped columns with sidesway totally inhibited, partially inhibited, and uninhibited subjected to concentrated axial loads located at the ends and at the intermediate joint including semi-rigid connections and shear force effects are presented using three different approaches in a companion paper. The first two approaches are those by Engesser and Haringx that include the shear component of the applied axial force proportional to the total slope (dy/dx) and to the angle of rotation of the cross section (Ψ) along the member, respectively. The third approach is a simplified formulation based on the classical Euler theory that includes the effects of shear deformations but neglects the shear component of the applied axial force along the member. Definite criterion on minimum stiffness of lateral bracings for single-stepped columns is also presented. Five comprehensive examples are included that demonstrate the effectiveness of the proposed stability equations and minimum bracing stiffness criteria., The elastic stability analysis of single stepped columns with sidesway totally inhibited, partially inhibited, and uninhibited subjected to concentrated axial loads located at the ends and at the intermediate joint including semi-rigid connections and shear force effects are presented using three different approaches in a companion paper. The first two approaches are those by Engesser and Haringx that include the shear component of the applied axial force proportional to the total slope (dy/dx) and to the angle of rotation of the cross section along the member, respectively. The third approach is a simplified formulation based on the classical Euler theory that includes the effects of shear deformations but neglects the shear component of the applied axial force along the member. Definite criterion on minimum stiffness of lateral bracings for single stepped columns is also presented. Five comprehensive examples are included in this paper that demonstrates the effectiveness of the proposed stability equations and minimum bracing stiffness criteria.

Tipo de documento:Artículo - Article
Información adicional:Derechos de autor reservados
Palabras clave:Bracing, Buckling, Building Codes, Columns, Construction, Computer applications, Frames, Loads, Semi-rigid connections, Shear deformations, Shoring, Stability, Stepped columns., bracing, buckling, building codes, columns, construction, computer applications, frames, loads, semi-rigid connections, shear deformations, shoring, stability, stepped columns
Unidad administrativa:Revistas electrónicas UN > Dyna
Código ID:29014
Enviado por : Dirección Nacional de Bibliotecas STECNICO
Enviado el día :29 Junio 2014 03:35
Ultima modificación:18 Agosto 2014 18:29
Ultima modificación:18 Agosto 2014 18:29
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