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本项目为南宁某超高层办公楼,存在扭转不规则、承载力突变及局部穿层柱等不规则3项,属B级高度的超限高层建筑。本文重点介绍了结构抗震性能目标的设置、计算参数的取值、超限分析的手段、针对不同超限情况的加强措施,对其他项目超限分析有一定借鉴意义。
This project is a super high-rise office building in Nanning. There are irregularities such as irregular torsion, abrupt change of bearing capacity and partial stratification. This article focuses on the setting of the seismic performance target of the structure, the value of the calculation parameters, the means of the over-limit analysis, the strengthening measures for different over-limit cases, and some references for the over-limit analysis of other projects.