Research Article
Jan 1979
Box Girder Bridge Diaphragms with Openings
Publication: Journal of the Structural Division
Volume 105, Issue 1
Abstract
The diaphragms considered in this study are of the type frequently met in box girder bridges supported on single slender piers. The outside loads are assumed to be transmitted from the bridge main girders to the inclined (or vertical) surfaces of the diaphragms in the form of uniform shearing forces. Three locations are considered for the prestressing forces applied to resist the tensile stresses and forces due to load. Other variables are: height, ratio of opening width to diaphragm span, width of supporting column, and slope of the sides of the diaphragm. The normal and shear stress distributions along horizontal zontal and vertical sections are plotted for a few typical cases. Nomographs have been developed for determining the critical stresses and resultant forces due to external loads and due to prestressing forces acting at various locations.
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Information
Published In
Journal of the Structural Division
Volume 105 • Issue 1 • January 1979
Pages: 53 - 65
Copyright
© 1979 American Society of Civil Engineers.
History
Published in print: Jan 1979
Published online: Feb 1, 2021
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Authors
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Michel A. Sargious, M.ASCE
Prof., Dept. of Civ. Engrg., Univ. of Calgary, Calgary, Alberta, Canada
Walter H. Dilger, M.ASCE
Prof., Dept. of Civ. Engrg., Univ. of Calgary, Calgary, Alberta, Canada
Hugh Hawk
Grad. Student, Dept. of Civ. Engrg., Univ. of Calgary, Calgary, Alberta, Canada
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.