Comparison of Wind Cross-Spectral Data with Models

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by N. P. Jones, Johns Hopkins Univ, Baltimore, United States,
A. Jain, Johns Hopkins Univ, Baltimore, United States,
R. H. Scanlan, Johns Hopkins Univ, Baltimore, United States,

Document Type: Proceeding Paper

Part of: Probabilistic Mechanics and Structural and Geotechnical Reliability:

Abstract: Existing analysis procedures for the prediction of long-span bridge response to wind have until recently neglected the horizontal-vertical cross-spectral components of the wind under the assumption of quasi-homogeneous, isotropic turbulence. It has been shown that under atmospheric turbulence, the contributions of such cross-spectral components of wind are not insignificant. The paper presenta a comparison of the existing empirical formula for cross-spectral components and some field data recorded by the Federal Highway Administration (FHWA) at the Deer Isle-Sedgwick Bridge, Maine.

Subject Headings: Data processing | Wind engineering | Bridge components | Span bridges | Comparative studies | Highway bridges | Turbulence | Existing buildings | Federal government | Bridge tests | North America | Maine | United States

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