（1 世茂集团， 上海 200060； 2 广州容柏生建筑结构设计事务所， 广州 510170）

［摘要］南京某商业裙房为大体量的超限高层商业建筑，平面呈L形，立面存在多处外挑和内收；建筑功能复杂且存在扭转不规则、偏心布置、楼板不连续、尺寸突变、局部不规则共4项不规则项。建筑采用钢筋混凝土框架结构体系，通过YJK，MIDAS和SAUSAGE多种计算程序对结构整体进行了弹性和弹塑性计算分析、结构抗震性能化设计、各项专项分析等。计算结果表明，主体结构能达到设定的性能目标要求，结构体系具有有效的耗能机制和良好的抗震性能。

［关键词］大型商业裙房； 超限结构； 框架结构； 抗震性能化设计

中图分类号：TU398-7文献标识码：A文章编号：1002-848X(2020)04-0100-06

Structural design of a large\|scale commerical podium in Nanjing

Gui Kun1, Peng Lihong2

(1 Shimao Group, Shanghai 200060, China; 2 RBS Architectural Engineering Design Associates, Guangzhou 510170, China)

Abstract:The large-scale commercial podium in Nanjing is  over-limit high-rise commercial building with an L-shaped plan. The building facade has multiple external picks and introversions. The building function is complex and there are four irregular items，including torsional irregularity, eccentric layout, discontinuous floor, abrupt size change, and local irregularity. The building adopts reinforced concrete frame structure system. Through various calculation programs of YJK, MIDAS and SAUSAGE, elastic and elastoplastic calculation analysis, structural seismic performance design, and various special analyses of the structure were carried out. The calculation results show that the main structure can meet the set performance target requirements, and the structural system has an effective energy dissipation mechanism and good seismic performance.

Keywords:large-scale commercial podium; out-of-code structure; reinforced concrete frame structure; performance-based seismic design

作者简介：桂堃，硕士，高级工程师，Email：KUN_GUI@shimaogroup.com。