Combining with the circumstance at Nisheng Square in Suzhou, the study explores the design methods for the ultralimit high-rise structure, introduces the ultralimit circumstance at Nisheng Square of Suzhou and its respective structure measures, points out the performance indexes of the ultralimit high-rise structure under medium seismic effect, and proves by the analysis that the structure can meet the regulation＇ s demands in minor and strong seismic effects.%结合苏州尼盛广场探讨了超限高层结构的设计方法，详细介绍了苏州尼盛广场的超限情况和对应的构造措施，并根据超限情况对中震作用下的结构提出性能指标。分析表明，结构在小震和大震作用下均可满足规范的要求。
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