Re-analysis of case studies of piled raft foundation for super-tall building in soft soils

TANG Yong-jing; ZHAO Xi-hong

doi:10.16285/j.rsm.2016.11.026

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Re-analysis of case studies of piled raft foundation for super-tall building in soft soils

更新时间：2026-06-25

- Re-analysis of case studies of piled raft foundation for super-tall building in soft soils
- Vol. 37, Issue 11, Pages: 3253-3262(2016)
- 作者机构：
  
  1. 同济大学地下建筑工程系,上海,200092
  2. 同济大学岩土及地下工程教育部实验室,上海,200092
- 作者简介：
- 基金信息：
- DOI：10.16285/j.rsm.2016.11.026
  CLC： TU473.2
- Online First：09 June 2018，
  
  Published：2016
- 稿件说明：
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TANG Yong-jing, ZHAO Xi-hong. Re-analysis of case studies of piled raft foundation for super-tall building in soft soils[J]. 2016, 37(11): 3253-3262.
DOI：

TANG Yong-jing, ZHAO Xi-hong. Re-analysis of case studies of piled raft foundation for super-tall building in soft soils[J]. 2016, 37(11): 3253-3262. DOI： 10.16285/j.rsm.2016.11.026.

摘要

坐落于上海的金茂大厦、上海环球金融中心和上海中心大厦三幢闻名世界的超高层建筑的基础均为补偿深埋桩筏基础。在补偿深埋桩筏基础设计中如何充分考虑补偿基础的优越性，如何考虑深埋基础的抗风能力，是值得研究的问题。利用高层建筑与地基基础共同作用的分析方法，结合统计-经验公式对该三幢大楼的桩筏深基础进行了再分析。通过再分析在节约相当数量的桩之后，其地基承载力和变形仍然能够满足设计要求。同时在再分析中进一步探讨优化设计的能力，论证地下连续墙可以分担相当数量的荷载。相关案例的再分析对进一步完善补偿深埋桩筏基础设计理论提出建议，可为国家节省大量投资。

Abstract

In Shanghai

the foundations of three super-tall buildings

88-story Jinmao Tower

101-story Shanghai World Financial Center (SWFC) and 121-story Shanghai Center Tower (SCT)

are compensated piled raft (box) foundations with deep embedment. It is worth discussing how to make use of advantages of compensated foundation during foundation design and to estimate the wind resistance of deep embedment of foundation. Based on the analysis of the interaction of high-rise building and ground foundation

the pile raft foundations of the three buildings are analyzed using the statistical empirical formula. A considerable amount of piles can be saved after analyzing

and their bearing capacities and deformations of the foundations can still meet the design requirements. Meanwhile

the capability of optimizing design is further discussed

and the diaphragm wall is proven to be able to share a considerable amount of load. The re-analysis of the relevant cases puts forward suggestions for further improving the design theory of the deep buried pile raft foundation

which can save a lot of investment for China.

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