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Wind-induced response and loads for the Confederation Bridge. Part Ⅱ: derivation of wind loads

机译：风引起的响应和联邦大桥的荷载。第二部分：风荷载的推导

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摘要

This paper uses ten years of on-site monitoring data for the Confederation Bridge to derive wind loads and investigate whether the bridge has experienced its design wind force effects since its completion in 1997. The load effects derived using loads from the on-site monitoring data are compared to the load effects derived using loads from the 1994 and 2009 wind tunnel aerodynamic model tests. The research shows, for the first time, that the aerodynamic model-based methodology originally developed in 1994 is a very accurate method for deriving wind loads for structural design. The research also confirms that the bridge has not experienced its specified (i.e., unfactored) wind force effects since it was opened to traffic in 1997, even during the most severe event that has occurred during this period.
机译：本文使用联邦大桥的十年现场监测数据得出风荷载，并研究自1997年竣工以来该桥是否经历了设计风力效应。使用现场监测数据中的荷载得出荷载效应将其与使用1994年和2009年风洞空气动力学模型测试的载荷得出的载荷效应进行比较。该研究首次表明，1994年最初开发的基于空气动力学模型的方法学是一种非常精确的方法，用于推导结构设计的风荷载。研究还证实，自从1997年通车以来，即使在此期间发生的最严重的事件中，这座桥也没有经历过特定的（即未考虑的）风力影响。

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