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介绍了三维弹塑性分析程序CANNY及其在结构抗震分析中的应用。结合中国科学技术新馆项目,采用CANNY软件建立计算模型,对预应力结构、空间组合结构及钢筋混凝土结构进行精确模拟,对复杂结构做如此大规模的动力全过程状态模拟在国内尚属首次。通过非线性动力弹塑性分析,验证了中国科学技术新馆结构在罕遇地震下具有较高的安全储备和耗能能力,最大弹塑性位移远小于规范限值,地震动输入能量主要通过结构阻尼耗能。
The three-dimensional elasto-plastic analysis program CANNY is introduced and its application in structural seismic analysis. Combined with the project of China Science and Technology Museum, using CANNY software to establish a computational model to accurately simulate the prestressed structure, the space combination structure and the reinforced concrete structure, so it is the first time to do such a large-scale dynamic state simulation of the complex structure in China. Through nonlinear dynamic elasto-plastic analysis, the structure of China Science and Technology Museum is verified to have high safety reserve and energy dissipation capacity under rare earthquakes. The maximum elastic-plastic displacement is far less than the specification limits. The input energy of ground motion mainly through structural damping Energy consumption.