Computer Analysis of Cable-Stayed & Suspension Bridges

by Randall A. Sancho, ANF & Ass, El Monte, United States,
Hany J. Farran, ANF & Ass, El Monte, United States,

Document Type: Proceeding Paper

Part of: Computing in Civil and Building Engineering


The finite element structural analysis of long span bridges is an area of research that has been studied within the past thirty years since the development and emergence of the digital computer and structural analysis programs. In the United States the use of a truss-type girder for long-span bridges is not widely used in construction (due in part to economic reasons) and, consequently, not thoroughly researched in the field of bridge design. Japan, however, has been heavily involved in the research and development of these steel truss-type bridges. The Japanese Jojima-Sakaide Route, opened for service on April 10, 1988, is 8.1 miles long and is comprised of one truss bridge, three viaducts, three suspension bridges, and two cable-stayed bridges. It is from this route that two bridges were chosen for structural analysis: The Hitsuishi-jima Cable-Stayed Bridge and The Minami Bisan-Seto Suspension Bridge. The computer finite element structural analysis is performed using the commercial program SAP90, version P5.10.

Subject Headings: Suspension bridges | Cable stayed bridges | Finite element method | Computer analysis | Cables | Suspended structures | Truss bridges | United States | Japan | Asia

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