A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Stability Bracing of Beams by Shear Diaphragms
Light gage metal sheeting is commonly used in the building and bridge industries for concrete formwork. In addition to supporting the concrete, the metal forms also improve the lateral-torsional buckling capacity of the beam or girder they are fastened to since they behave as a shear diaphragm and restrain the warping deformation of the top flange. However, the stability bracing requirements for shear diaphragms are not well established. This paper discusses the strength and stiffness requirements of diaphragm bracing of beams. The bracing behavior was investigated by conducting parametrical finite element investigations. The diaphragms in the study were connected along two edges to the top flanges of adjacent girders. Design expressions are presented for the stiffness and strength requirements of the diaphragm.
Stability Bracing of Beams by Shear Diaphragms
Light gage metal sheeting is commonly used in the building and bridge industries for concrete formwork. In addition to supporting the concrete, the metal forms also improve the lateral-torsional buckling capacity of the beam or girder they are fastened to since they behave as a shear diaphragm and restrain the warping deformation of the top flange. However, the stability bracing requirements for shear diaphragms are not well established. This paper discusses the strength and stiffness requirements of diaphragm bracing of beams. The bracing behavior was investigated by conducting parametrical finite element investigations. The diaphragms in the study were connected along two edges to the top flanges of adjacent girders. Design expressions are presented for the stiffness and strength requirements of the diaphragm.
Stability Bracing of Beams by Shear Diaphragms
Helwig, Todd A. (author) / Yura, Joseph A. (author)
Structures Congress 2008 ; 2008 ; Vancouver, British Columbia, Canada
Structures Congress 2008 ; 1-6
2008-10-14
Conference paper
Electronic Resource
English
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