The methods to obtain the background component of structural equivalent static wind loads systemically are discussed.
重点对结构等效静力风荷载背景分量的确定方法进行了系统分析。
The equivalent static wind loads (ESWL) provide an effective approach to deal with the spatiotemporally varying wind loads for structures with long span roofs.
大跨度屋盖结构等效静力风荷载中的共振分量确定，包括对结构共振响应的准确计算以及如何将其等效为静力风荷载这两个主要问题。
The responses and equivalent static wind loads are both divided into mean, background and resonant components, and the formulas for these components are given correspondingly.
将结构风致响应分解为平均响应、动力响应的背景分量和共振分量，给出了相应的计算公式；
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