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本文推导了考虑 P-Δ效应的带刚臂单杆件弹塑性刚度矩阵。在推导过程中,考虑了轴向变形、弯曲变形和剪切变形。可用于杆系结构的静力分忻、动态分析和弹塑性稳定计算。按照本文的推导结果,巳编成高层建筑弹塑性动态分析程序并在高层建筑工程中运用。本文的成果把 K.I.Majid和 M.F.Giberson 的工作推进了一步。高层建筑和大跨度结构的弹塑性动态分析是当前工程抗震方面的一个重要研究课题。本文的工作是应这一需要而展开的。
In this paper, the elasto-plastic stiffness matrix with rigid-arm single-rods considering the P-Δ effect is deduced. In the derivation process, axial deformation, bending deformation and shear deformation are considered. It can be used for static bifurcation, dynamic analysis and elasto-plastic stability calculations of bar structures. In accordance with the derivation results of this paper, 巳 is compiled into a dynamic analysis program for high-rise buildings and applied in high-rise building projects. The results of this article take the work of K.I.Majid and M.F. Giberson a step further. The elasto-plastic dynamic analysis of high-rise buildings and long-span structures is an important research topic in the current seismic engineering. The work of this article is based on this need.