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宁波国际金融服务中心南区深基坑方案比选研究
邢军,沈俊杰,吴才德,郑翔,成怡冲
摘 要

(浙江华展工程研究设计院有限公司, 宁波 315012)

[摘要]基于宁波国际金融服务中心南区工程特点,分别提出了地下室分建及合建时的基坑支护方案。采用MIDAS/GTS软件分析了基坑受力、变形规律,从经济性、安全性及施工便利性等多角度对地下室分建、合建时的基坑支护方案进行对比研究,并将有限元计算结果与现场监测结果进行对比,验证了合建方案的合理性。研究成果可为软土地区相邻地块联合开发时地下室设计及基坑支护选型提供参考和借鉴。

[关键词]深基坑;  支护方案;  地下室分建;  地下室合建;  有限元模拟

中图分类号:TU753文献标识码:A文章编号:1002-848X(2017)09-0098-06

 

Selection study of deep foundation pit schemes of southern district of Ningbo International Financial Services Centre

Xing Jun, Shen Junjie, Wu Caide, Zheng Xiang, Cheng Yichong

(Zhejiang Huazhan Institute of Engineering Research & Design, Ningbo 315012, China)

Abstract:According to the engineering characteristics of the southern district of Ningbo International Financial Services Centre, foundation pit supporting schemes were proposed for individual construction and combining construction of the basement respectively. The software MIDAS/GTS was used to analyze mechanism and deformation law of  the foundation pit supporting schemes, and individual construction and combining construction schemes of the basement were compared and studied from perspectives of cost, safety and construction convenience. Finally, the rationality of the combining construction scheme was verified by comparing the results from FEM and those from the field monitoring. The research achievements could provide references for basement design and foundation pit supporting scheme selection in joint development of some adjacent plots in soft soil area.

Keywords:deep foundation pit; supporting scheme; individual construction of the basement; combining construction of the basement; finite element simulation

 

作者简介:邢军,本科,高级工程师,一级注册结构工程师,Email:595272844@qq.com。

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