能力谱法在钢框架结构抗震性能评估中的应用

摘要

本文基于能力谱法，结合我国地震烈度设防规定给出了适合我国地震烈度设防的计算步骤，并结合sap2000有限元程序利用能力谱法对一个9层钢抗弯框架结构的抗震性能进行了评估，表明能力谱法是结构抗震性能评估的有效方法。%This paper elaborates the basic principal and method of capacity spetrum method.Its main calculation procedures for China seismic design are summarized. It also make a evaluation to the seismic performance of a 9-story steel frame structure by the finite element program sap2000. By this case, we can know the Capacity-Demand-Diagram method is an efficient way to estimate the structure.