According to the probability distribution of wind pressure subordinated to the extreme value No 1 the calculating method on the probability vectors of stack structure in the medium state has been established .

利用 风压的概率分布服从 极值Ⅰ型，建立了具有中介状态的烟囱结构可靠性向量的计算方法。

Based on the achievement about wind damage losses and utilizing calculation method of towering structures and applying fundamental theory of wind engineering this paper inferred a calculation method of wind pressure in elastic limit which is the vital value in forecasting wind damage losses of tower structures .

根据已有的有关风灾经济损失预测的成果，针对高耸结构中的烟囱类结构，应用风工程计算基本理论，导出了风灾经济损失预测中的关键 值&弹性极限 风压，可供设计应用。