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本文采用通用有限元软件ANSYS,分析了地基与冷却塔的相互作用效应(SSI效应)对大型冷却塔动力特性的影响。在此基础上,进一步分析了地基阻尼比对冷却塔结构地震作用效应的影响。然后,对超大型冷却塔的结构设计提出了一些关注点。有关成果可为类似工程提供一些参考。
In this paper, the common finite element software ANSYS is used to analyze the effect of interaction between foundation and cooling tower (SSI effect) on the dynamic characteristics of large cooling tower. On this basis, the effect of foundation damping ratio on the seismic effect of cooling tower structure is further analyzed. Then, some structural concerns of the super-large cooling tower are put forward. The results can provide some reference for similar projects.