In such case, the conventional approach of mean wind decomposition is no longer adequate for estimating the flutter critical wind speed of bridges under the skew wind.

• 对开口薄壁断面、双主肋断面的试验研究发现，对于具有这种类型主梁断面的桥梁，传统的法向风已不是最不利的工况，需要详细考虑各种风偏角下颤振临界风速，找出最小颤振临界风速，方可偏安全进行桥梁设计。