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Effects on Seismic Spatial Variations to Suspension Bridge Responses

by K. Kawano, Kagoshima Univ, Japan,
A. M. Abdel-Ghaffar, Kagoshima Univ, Japan,
R. Betti, Kagoshima Univ, Japan,



Document Type: Proceeding Paper

Part of: Mechanics Computing in 1990's and Beyond

Abstract:

The dynamic soil-structure interaction effects and spatial variations of a seismic motion seem to have significant contributions on the response evaluation of a long span suspension bridge. Emphasis is placed upon the dynamic response evaluation of a long span suspension bridge subjected to a seismic motion with spatial variations. The dynamic response analysis is carried out using the random vibration approach, which is easily applied to the cross spectral density function which can be evaluated for the spatial variatons of a seismic motion.

Subject Headings: Suspension bridges | Span bridges | Soil dynamics | Seismic tests | Seismic effects | Bridge tests | Suspended structures

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