(中衡设计集团股份有限公司, 苏州 215123)

摘要: 苏州桑田岛地铁上盖超限高层采用全框支剪力墙结构体系. 简要介绍其结构特点及设计要点,并根据其超限情况,确定了结构性能设计目标及超限设计措施. 详细介绍了全框支剪力墙结构体系控制指标及大底盘多塔、楼板温度应力、桩基、框支框架、转换剪力墙等关键性部位及构件的设计过程和控制性要点. 分析结果表明,需要通过合理的性能化设计达到“强基础、弱上部”、“强转换、弱上部”的性能目标ꎻ箱式转换较梁式转换更适用于转换层数较高、高宽比较大的地铁上盖项目. 通过合理设计,全框支剪力墙结构体系可作为适用于地铁上盖开发的一种结构体系.

关键词: 地铁上盖建筑;超限高层结构;全框支剪力墙;抗震性能化设计;箱式转换

中图分类号:TU375,TU318 文献标志码:A 文章编号:1002-848X(2022)20-0053-07

DOI:10.19701 / j.jzjg.ZJ220023

Structural analysis and design of upper cover of Suzhou Sangtian Island subway

GUO Yifeng, TAN Lihua, YANG Lülei, SUN Yibin, CHEN Yong

(ARTS Group Co. , Ltd. , Suzhou 215123, China)

Abstract: The full frame supported shear wall structure system was adopted for the out of limit high-rise of the upper coverof Suzhou Sangtian Island subway. Structural characteristics and design points were introduced briefly, and the structuralperformance design objectives and out of limit design measures were determined according to its out of limit situation. Thecontrol index of the full frame supported shear wall structure system, the design process and control points of key parts andcomponents such as large chassis multi tower, floor temperature stress, pile foundation, frame supported frame and transfershear wall were introduced in detail. The analysis results show that the performance objectives of “strong foundation, weakupper part”, “ strong transformation and weak upper part” need to be achieved through reasonable performance-baseddesign. The box type transfer is more suitable for the subway upper cover project with high transfer floors and large heightwidth ratio than the beam type transfer. Through reasonable design, the full frame supported shear wall structure system canbe a suitable structural system for the development of subway upper cover.

Keywords:building of subway upper cover;out of limit high-rise structure;full frame supported shear wall;performance-based seismic design;box type transfer

∗中衡设计集团科研项目(2019-S3):超高层结构体系与设计技术研究.

第一作者:郭一峰,硕士,高级工程师,一级注册结构工程师,主要从事超高层结构设计工作,Email:guoyifeng@ artsgroup. cn.

[引用本文] 郭一峰,谈丽华,杨律磊,等. 苏州桑田岛地铁上盖超限高层结构设计分析[ J]. 建筑结构,2022,52(20):53-59. GUO Yifeng, TAN Lihua, YANG Lülei, et al. Structural analysis and design of upper cover of SuzhouSangtian Island subway[J]. Building Structure,2022,52(20):53-59.