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以上海市某超限高层为例,详细阐述了超限高层的计算分析与设计。该超限高层具有扭转不规则、楼板不连续及平面尺寸突变等超限情况。介绍了该楼的基础设计、抗震超限情况、相应的抗震措施,弹性分析、弹性时程分析、楼板应力分析、中震分析和大震防倒塌分析等计算表明,结构满足规范要求。
Taking an overrun high in Shanghai as an example, this paper elaborates the calculation and analysis of overrun highrise. The overrun high-level with irregular torsion, floor discontinuities and sudden changes in the size of the plane overrun situation. The basic design of the building, the seismic overrun situation, the corresponding seismic measures, the elastic analysis, the elastic time history analysis, the floor stress analysis, the medium earthquakes analysis and the analysis of the large earthquakes and collapses are introduced. The results show that the structures meet the requirements of the codes.