（中国建筑设计研究院，北京 100044）
[摘要]鄂尔多斯东方大厦为B级高度超限高层建筑，存在扭转不规则和楼板不连续两项不规则。本文介绍了工程的特点和结构设计情况。针对工程的超限情况，采用基于性能目标的抗震设计方法，并采取比规范要求更为严格的抗震措施。采用多种软件对结构进行多模型、多工况的线性和非线性分析。结果表明，采取加强措施后，结构满足抗震设防目标，确保了工程的抗震安全。
[关键词]超限高层建筑;性能设计
中图分类号：TU973.3 文献标识码：A 文章编号：1002-848X(2013)S1-0052-05
The structural design of the Ordos Orient Building
Wang Qi, Zhang Genyu, Zhang Lu
(China Architecture Design & Research Institute, Beijing 100044)
Abstract: Ordos Orient Mansion is the height of class B high-rise building beyond code limits, there is two irregular items of torsion irregularity and diaphragm discontinuity. This paper introduced the characteristics and structural design of the project. Performance-based seismic design method and stricter seismic measures than code were adopted. The structure had been analyzed through multi-model, linear and nonlinear analysis methods with Multiple loading conditions by software. The results show that the structure can meet the seismic code requirement of China by adopting strengthening measures.
Keywords: high-rise building beyond code limits; performance-based seismic design
