(启迪设计集团股份有限公司, 苏州 215021)

摘要: 苏州中南中心是采用巨型框架⁃核心筒⁃伸臂桁架结构体系的超高层建筑,原方案(建筑高度 729m,地下 5层)的桩基和地下连续墙已施工完毕,现调整为建筑高度 499. 15m、地下 6 层的方案. 该工程具有周边环境复杂、顺逆结合施工、需充分利用原有已施工桩基和地下连续墙等特点. 首先介绍了该工程地下室设计难点及其处理方法. 其次,对层数较多、深度较大的地下室楼板进行了稳定分析. 此外,结合超高层建筑地下室顶板受力复杂的特点,进行了塔楼水平力作用下地下室顶板应力分析. 计算结果表明,结构满足规范要求.

关键词: 超高层建筑; 巨型框架⁃核心筒⁃伸臂桁架;顺逆结合施工; 稳定分析; 地下室顶板应力分析

中图分类号:TU318+.2 文献标志码:A 文章编号:1002⁃848X(2022)07⁃0001⁃07

DOI:10. 19701 / j.jzjg.SZY2122

Study on structural design of basement in Suzhou Zhongnan Center

DAI Yaping, ZHANG Min, SONG Hongyu, ZHU Yi, WANG Chenyu, FENG Guodong, XUAN Peng

(Tus⁃Design Group Co., Ltd., Suzhou 215021, China)

Abstract:Suzhou Zhongnan Center is a super high⁃rise building which adopts huge frame⁃core tube⁃outrigger truss system.Pile foundations and underground diaphragm walls of original scheme which was 729m building height and 5 floors ofbasement have been completed, but now it is modified to 499. 15m building height and 6 floors of basement. The project hasthe characteristics of complex surrounding environment, combination of down⁃top and top⁃down construction, andrequirement to make full use of original constructed pile foundations and underground diaphragm walls. Firstly, the designdifficulties of the basement of the project and its treatment methods were introduced. Secondly, the stability analysis of thebasement floor with more floors and great depth was carried out. In addition, combined with the complex stress of basement roof of super high⁃rise building, the stress analysis of basement roof under the action of tower horizontal force wasconducted. Computational results show that the structure meets the specification requirements.

Keywords: super high⁃rise building; huge frame⁃core tube⁃outrigger truss; combination of down⁃top and top⁃downconstruction; stability analysis; stress analysis of top roof of the basement

第一作者:戴雅萍,硕士,教授级高级工程师,一级注册结构工程师,主要从事超高层结构、大跨空间结构、钢结构、轨道交通综合体等研究,Email: yaping.dai@ tusdesign.com.

[引用本文] 戴雅萍,张敏,宋鸿誉,等. 苏州中南中心地下室结构设计研究[ J]. 建筑结构,2022,52(7):1⁃7,12.DAI Yaping,ZHANG Min,SONG Hongyu,et al. Study on structural design of basement in Suzhou Zhongnan Center[ J].Building Structure,2022,52(7):1⁃7,12.