大跨超长类结构多点激励输入地震动应用研究

Applied study on inputted multi-point ground motions of long-span structures

围绕合理确定大跨、超长类结构的多点激励输入地震动这一问题,对当前在应用相干函数模型及多点地震动合成中遇到的一些问题作了研究,分析了相干函数模型的适用性,并给出了H-V模型和Qu模型在相干程度下的参数取值,基于Hao方法,归纳了空间地震动的人工合成方法。

On the issue of identifying the multi-point ground motions of the large-span and super-long structures, the paper researches some prob-lems in the application of the coherence function model and the integration of multi-point, analyzes the adaptability of the coherence functions, undertakes the parameter value with H-V model and Qu model under the coherence, and sums up the manual integration method of the space motion.