Based on the theory of stochastic vibration and the Chinese wind loading codes,the coefficient K in the expression of Davenport spectrum is formularized in this paper.

• 根据随机振动理论和我国风荷载规范 ,导出了Davenport谱中系数K的计算公式 ,确立了系数K与地面粗糙度指数之间的关系 ;