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中文摘要：
利用大型有限元分析软件ANSYS对钢筋混凝土高层框筒结构进行模态分析，求出其前5阶固有频率和固有振型，并与理论解进行比较。结果表明，采用大型通用有限元软件ANSYS对钢筋混凝土高层框筒结构的动力分析是可靠的，基于有限元的数值仿真可为实际工程提供借鉴。
英文摘要：
The modal analysis frame tube structure has been of high-rise reinforced concrete studied in this paper. The first fifth-order frequencies were acquired based on the famous finite element software-ANSYS. By comparison the results of this paper with the theoretical results, the conclusion can be concluded that; it is reliable using the finite element software ANSYS to analyze the dynamic analysis for high-rise reinforced concrete frame tube structure and the numerical simulation technique based on finite element method will be very useful in practice.
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The regional distribution regularity of landslides and their effects on the environments in the Thre
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