【摘 要】
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Measuring bridge deflection under dynamic loading is useful to understand structural behavior as well as to assess health condition.However,the conventional
【机 构】
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Ulsan National Institute of Science and Technology (UNIST),Ulsan,Republic of Korea
【出 处】
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The 7th International Conference on Bridge Maintenance, Safe
论文部分内容阅读
Measuring bridge deflection under dynamic loading is useful to understand structural behavior as well as to assess health condition.However,the conventional approaches for the deflection measurements in largescale bridges are challenging as they typically require fixed reference points that may be often unavailable in the fields.Alternatively,indirect estimation methods have been developed; other measurements such as acceleration or strain are first obtained and subsequently transformed to displacement.As the acceleration and strain are conveniently measured,the indirect estimation methods are considered to be effective and practical while they have in general lower accuracy in estimation compared to the conventional direct measurement.
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