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Erschienen in:
2016 | OriginalPaper | Buchkapitel
Analysis of the Response Under Live Loads of Two New Cable Stayed Bridges Built in Mexico
verfasst von : Roberto Gómez, Raul Sánchez-García, J. A. Escobar, Luis M. Arenas-García
Erschienen in: Developments in International Bridge Engineering
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Abstract
In this paper we study the response, under live loads, of two new cable stayed bridges (Baluarte and Carrizo), recently open to traffic. Both bridges are located in the northern pacific mountains of Mexico along the Mazatlan-Durango new highway at approximately 50 km from the coast. These bridges happen to be the most important bridge structures of the highway. Both bridges have the same fan cable pattern and similar type of superstructure. However the response of both decks under live loads is quite different as will be shown. This paper describes also the numerical analyses to evaluate the bridges structural response under static and moving loads mainly. From this evaluation and assessment, conclusions and recommendations related to their structural stability are provided. The activities described were performed before opening the bridges and comprised also the instrumentation with fiber optic sensors, live load tests and ambient vibration tests.