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Effects of Temperature Variation on Cable Forces of an Extradosed Bridge
Effects of Temperature Variation on Cable Forces of an Extradosed Bridge [2015]
Автор(ы): C.-C. Chen, W.-H. Wu, C.-Y. Liu
Количество страниц: 8
Год: 2012
Аннотация[245 КБ] 
Код: 10953
Описание
6th European Workshop on Structural Health Monitoring. Dresden. Germany. 2012. Report. In order to comprehensively realize and then filter out the temperature effect for further proposing a feasible structural health monitoring methodology mainly based on the variation of cable force, the long-term monitoring of cable frequencies and temperatures of Ai-Lan Bridge, an extradosed bridge located in central Taiwan, is conducted in this study. With the data collected on this bridge for more than one year, the variations of cable frequencies and temperatures at different structural components are examined to extract consistent tendencies. The results clearly indicate that temperature is the major environmental factor to cause the variation of cable force. A simplified model proposed in this study also demonstrates its effectiveness in correlating the variation of cable force with an effective temperature variation simultaneously considering the temperature effects from the pylon, girder, and cable.
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