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An Information System on the Performance of Suspension Bridges Under Wind Loads

by Satinder P. S. Puri, Port Authority of New York & New, Jersey, United States,



Document Type: Proceeding Paper

Part of: Structural Engineering in Natural Hazards Mitigation

Abstract:

While most suspension bridges for which information is available, in operation between the period: 1701-1992, have performed satisfactorily under wind loads, a few bridges were destroyed, some partially damaged, and others experienced unacceptable vibrations. Suspension bridges with unsatisfactory responses were fitted with devices to improve performance. Accounts of performances, if available, vary from brief descriptions to detailed reports. This paper is a brief report on a Computer Aided Information System, currently under development. The system contains data on the performance of suspension bridges under wind loads. The textual information, extracted from available references, is being organized in a series of tables. For a particular suspension bridge, the system will contain information on items such as: general bridge data, performance during the 'construction' and 'service' stages, performance in wind tunnel tests, instruments for measuring wind data and bridge response, suggestions for improving performance, and a list of references. Data on 26 bridges, organized in three tables, is included.

Subject Headings: Suspension bridges | Wind loads | Information systems | Bridge tests | Wind tunnel | Suspended loads | Load factors

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