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本文在合理地选取丰富的地震记录及典型的结构形式的基础上，通过大量计算，统计得出了 有支撑和无支撑钢框架结构在罕遇地震下弹塑性位移增大系数，以此提出了抗震设计时进行罕遇 地震下多高层建筑钢结构弹塑性位移验算时的实用计算数表。
Based on a reasonable selection of rich seismograms and typical structural forms, a large number of calculated and statistically calculated coefficients of elastic-plastic displacement increase of the supported and unsupported steel frame structures under rare earthquakes are proposed. Practical calculation of the elastic-plastic displacement check of multi-level steel structures under rare earthquakes during earthquake-resistant design.