Static and dynamic analysis of a cable stayed bridges
Keywords:
Cable stayed Bridge, static, Dynamic, SAP2000, Modeling, AnalysisAbstract
The first cable-stayed bridges appeared in Europe in the 1700s. Cable-stayed bridges have been increasingly popular over the past few decades because of its aesthetic appeal, effective use of materials, and availability of innovative building techniques. As a result of the Sutong Bridge's success, numerous other similar bridges have been proposed or are now being built, necessitating further study in this area. In recent years, cable-stayed bridges of very great spans have been completed, and the goal is to expand the span length even further by using girders that are much thinner. As a result, accurate methodologies must be devised that can lead to a full understanding and realistic forecast of the bridge's structural response under diverse load circumstances. Analysis of cable-stayed bridges with a single and two equal side spans has been done in the present testing to know their seismic response. Static and dynamic loads on cable-stayed bridges, as well as the resulting reaction of the bridge as span length and pylon shape change, are the focus of this study. In order to compare static analysis results for different bridge configurations, we compared the mode shapes, time periods and frequencies, and the maximum deck deflection.
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References
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H. Saidi , M. Al-Rawi , A.F. Ali and A. Adda
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IRC-6-2000 standard specifications and code of practice for road bridges, section II, loads and stresses, Fourth Revision
IS 1983(part-I):2000, Criteria for earthquake resistant design of structures
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