Research Article
Aug 1977
Dynamic Analysis of Horizontally Curved I-Girder Bridges
Publication: Journal of the Structural Division
Volume 103, Issue 8
Abstract
The finite element displacement method is used with annular plate, thin-walled curved beam, straight prismatic beam, and frame-type diaphragm elements for the dynamic analysis of horizontally curved I-girder highway bridges. The stiffness and inertia properties of the finite elements are obtained within the bounds of linear elasticity and small displacement theories. Warping of the girder cross section due to torsion is included in the analysis. The moving vehicle on the bridge is idealized as a sprung mass supported on two unsprung masses. The centrifugal forces arising due to the motion of the vehicle in a circular path are included in the analysis. The inclusion of the vehicle inertia in the bridge-vehicle interaction results in a set of differential equations, the coefficients of which depend on the speed of the vehicle and thus are not constant. These equations of motion are solved by the linear-acceleration method of numerical integration.
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Information
Published In
Journal of the Structural Division
Volume 103 • Issue 8 • August 1977
Pages: 1589 - 1604
Copyright
© 1977 American Society of Civil Engineers.
History
Published in print: Aug 1977
Published online: Feb 1, 2021
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Authors
Affiliations
Swapan Kumar Chaudhuri
Former Grad. Student, Dept. of Civ. and Urban Engrg., Univ. of Pennsylvania, Philadelphia, Pa.
Sidney Shore, F.ASCE
Prof. and Chmn., Dept. of Civ. and Urban Engrg., Univ. of Pennsylvania, Philadelphia, Pa.
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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.