盾构快速穿越法超浅覆土及负覆土隧道施工预测分析

doi:10.3969/j.issn.1007-2861.2014.01.040

上海大学学报(自然科学版) ›› 2015, Vol. 21 ›› Issue (4): 454-466.doi: 10.3969/j.issn.1007-2861.2014.01.040

盾构快速穿越法超浅覆土及负覆土隧道施工预测分析

赵辛玮1, 马永其1,2, 滕丽3

(1. 上海大学上海市应用数学和力学研究所, 上海200072; 2. 上海大学理学院, 上海200444; 3. 上海城建(集团)公司, 上海200122)

收稿日期:2014-02-26 出版日期:2015-08-31 发布日期:2015-08-31
通讯作者: 马永其(1966—), 男, 博士, 副教授, 研究方向为地下工程及相关力学. E-mail:mayq@staff.shu.edu.cn
基金资助:
上海市科委基金资助项目(11231202700)

Predictive analysis on shield tunnel using ultra-rapid under pass method

ZHAO Xin-wei1, MA Yong-qi1,2, TENG Li3

(1. Shanghai Institute of Applied Mathematics and Mechanics, Shanghai University, Shanghai 200072, China; 2. College of Sciences, Shanghai University, Shanghai 200444, China; 3. Shanghai Urban Construction Co., Ltd., Shanghai 200122, China)

Received:2014-02-26 Online:2015-08-31 Published:2015-08-31

摘要/Abstract

摘要： 盾构快速穿越(ultra-rapid under pass, URUP)法隧道施工技术是一种盾构机从地表直接始发掘进, 最后在设定目标地点直接掘进到地表的新型施工方法. 以南京机场城轨URUP法隧道示范工程为背景, 利用三维非线性有限元方法(finit element method, FEM), 对URUP 法隧道施工过程进行了数值模拟. 预测分析了隧道施工过程中超浅覆土和负覆土区间的地表变形规律、施工影响范围以及最终沉降值. 分析结果与实测数据比较吻合, 说明了数值模拟的有效性和预测分析的可信性.

关键词: 地表沉降, 盾构快速穿越法, 三维有限元模拟, 预测分析

Abstract: Ultra-rapid under pass (URUP) is a new shield construction method. The shield machine directly excavate from surface of the beginning section to the surface of
the target location. Based on the demonstration project of Nanjing shield tunnel using the URUP method, the whole shield construction process is simulated with a three dimensional nonlinear finite element method (FEM). The ground surface subsidence, the affected area, and the final settlement of ultra-thin ground coverage and partially out of the ground in the shield process are predicted and analyzed. Comparison with the measured data shows that the calculation is reliable. The results provide useful guidance to the project, and may be used as a reference for analysis of similar projects

Key words: 3D finit element method (FEM) simulation, ground surface settlements, predictive analysis, ultra-rapid under pass (URUP) method

中图分类号:

TU 447

赵辛玮1, 马永其1,2, 滕丽3. 盾构快速穿越法超浅覆土及负覆土隧道施工预测分析[J]. 上海大学学报(自然科学版), 2015, 21(4): 454-466.

ZHAO Xin-wei1, MA Yong-qi1,2, TENG Li3. Predictive analysis on shield tunnel using ultra-rapid under pass method[J]. Journal of Shanghai University（Natural Science Edition）, 2015, 21(4): 454-466.

参考文献

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盾构快速穿越法超浅覆土及负覆土隧道施工预测分析

Predictive analysis on shield tunnel using ultra-rapid under pass method

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[1]	宁寅1,2, 冯伟1,马永其1,3,朱斌2. 下穿已有隧道泥水盾构施工的预测分析[J]. 上海大学学报(自然科学版), 2012, 18(4): 401-407.
[2]	罗仁安姜洋标万敏陈文财童凯. 管幕箱涵顶进施工中地表变形监测及有限元模拟[J]. 上海大学学报(自然科学版), 2009, 15(5): 534-540.