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简要介绍简化的空间模型弹塑性时程分析程序ＺＺＣ的编制原理，当楼板刚性时该空间模型可以退化为串联刚片系模型．应用该程序对均匀偏心结构和只有某层偏心的局部偏心结构从静力偏心距、基本平动频率、平扭频率比三个方面进行多层及高层房屋弹塑性平扭耦联地震反应的特性以及结构各构件的强度分布的要求等问题进行研究，得到了较好的结果
The principle of the simplified space model elasto-plastic time history analysis program ZZC is briefly introduced. When the floor is rigid, the space model can be degenerated into a series of rigid-plate model. Using this program, the characteristics of seismic response of elasto-plastic torsional coupling of multi-storey and high-rise buildings are analyzed from the aspects of static eccentricity, basic translation frequency and flat-torque frequency ratio for eccentric eccentric structures and partial eccentric eccentric structures. The research on the requirements of the strength distribution of structural components and other issues has yielded better results.