[1]叶肖伟,贾金典,刘志雄*,等.超大直径越江盾构隧道管片上浮监测及计算方法[J].长安大学学报(自然科学版),2026,46(2):73-84.[doi:10.19721/j.cnki.1671-8879.2026.02.006]
　YE Xiao-wei,JIA Jin-dian,LIU Zhi-xiong*,et al.Monitoring and calculation method for segmental ring uplift of ultra large-diameter cross-river shield tunnel[J].Journal of Chang’an University (Natural Science Edition),2026,46(2):73-84.[doi:10.19721/j.cnki.1671-8879.2026.02.006]
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超大直径越江盾构隧道管片上浮监测及计算方法()
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长安大学学报（自然科学版）[ISSN:1006-6977/CN:61-1281/TN]

卷:
第46卷
期数:
2026年2期
页码:
73-84
栏目:
桥梁与隧道工程
出版日期:
2026-04-18

文章信息/Info

Title:
Monitoring and calculation method for segmental ring uplift of ultra large-diameter cross-river shield tunnel
文章编号:
1671-8879(2026)02-0073-12
作者:
叶肖伟1; 2; 贾金典2; 刘志雄2*; 马思远2; 孙峰3
(1. 浙江大学 软弱土与环境土工教育部重点实验室,浙江 杭州 310058; 2. 浙江大学 建筑工程学院,浙江 杭州 310058; 3. 中铁第四勘察设计院集团有限公司,湖北 武汉 430063.)
Author(s):
YE Xiao-wei1; 2;  JIA Jin-dian2;  LIU Zhi-xiong2*;  MA Si-yuan2;  SUN Feng3
(1. MOE Key Laboratory of Soft Soils and Geo-environmental Engineering, Zhejiang University, Hangzhou 310058,Zhejiang, China; 2. College of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310058,Zhejiang, China; 3. China Railway Siyuan Survey and Design Group Co., Ltd., Wuhan 430063, Hubei, China)
关键词:
隧道工程;  管片上浮;  实时监测;  状态空间法;  解析解
Keywords:
tunnel engineering;  uplift of segmental ring;  real-time monitoring;  state space method;  analytical solution
分类号:
U455
DOI:
10.19721/j.cnki.1671-8879.2026.02.006
文献标志码:
A
摘要:
为分析超大直径越江盾构隧道管片上浮规律,依托杭州市秦望通道工程开展管片上浮现场实时监测。考虑施工阶段累加效应及荷载非线性分布特征,建立施工期盾构隧道管片上浮计算模型,同时将纵向划分为约束段、上浮波动段和稳定段。采用Timoshenko梁以及Pasternak地基模型模拟隧道-地层相互作用,通过剪切弹簧以及转动弹簧模拟管片环间的力学行为。基于状态空间法推导施工期管片上浮量的解析解,采用量纲一化的手段解决求解过程中的数值不稳定性问题,并通过杭州秦望通道的实测数据对模型的正确性进行验证。研究结果表明:管片上浮现场实时监测及计算结果显示,管片上浮呈现阶梯状发展规律,依次经历快速上浮、缓慢上浮、上浮稳定和缓慢沉降4个阶段,上浮主要发生在盾构掘进期间; 江底段管片最大上浮量为10.6～34.9 mm,均值为18.9 mm,达到最大上浮量用时为12.3～20.2 h,江堤段管片最大上浮量为8.2～28.5 mm,均值为15.0 mm,用时为8.2～13.5 h,江底段平均上浮量较江堤段增加26.0%,达到最大上浮量的平均历时延长63.4%,土体加固可以减小管片上浮量,而地下水作用会延长管片上浮历时; 对比发现计算管片最大上浮量与实测数据的误差仅为0.9%,表明提出方法的有效性; 参数分析表明管片上浮量会随着注浆影响范围的增大而增大,且随着地基弹簧刚度的增大而减小。
Abstract:
To explore the uplift behavior of segmental rings in an ultra large-diameter cross-river shield tunnel, real-time field monitoring was carried out at the Qingwang Tunnel in Hangzhou. Taking into account the cumulative effects during the construction phase and the non-linear distribution of load, an uplift calculation model for shield tunnel was proposed,with the longitudinal direction divided into a constrained section, an uplift fluctuation section, and a stable section. In this model, the Timoshenko beam and Pasternak foundation model were used to simulate the interaction between tunnel and ground. Additionally, the mechanical behavior among segmental rings was emulated using shear and rotational springs. Based on the state space method, analytical solutions for the uplift of segmental rings during shield tunneling were derived, and the numerical instability problem in the solution process was solved through dimensionless means. The correctness of the model was verified through the measured data. The monitoring and calculation results of on-site segment uplift show that the segment uplift follows a “stepwise” development pattern, successively undergoing four stages: rapid uplift, slow uplift, stable uplift, and slow settlement, with the uplift mainly occurring during shield tunneling. The maximum uplift of segments ring in the river bottom section ranges from 10.6-34.9 mm(the average is 18.9 mm)and takes 12.3-20.2 h to reach. While the maximum uplift of segments in the river dike section is 8.2-28.5 mm(the average is 15.0 mm)with a time-to-maximum of 8.2-13.5 h. Compared with the river dike section, the average uplift in the river bottom section is 26.0% higher, and the average time to reach the maximum uplift is 63.4% longer. Ground improvement can reduce the maximum tunnel uplift, whereas the seepage of groundwater will extend the duration of tunnel uplift. By comparison, it is found that the calculation error of the maximum tunnel uplift is only 0.9%, indicating the better effectiveness of the proposed method. Finally, parameter analysis demonstrates that the tunnel uplift will increase with the increase of the grouting influence range, while decrease with the increase in the ground spring stiffness.3 tabs, 15 figs, 30 refs.

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备注/Memo

备注/Memo:
收稿日期:2025-09-01
基金项目:国家自然科学基金项目(52525804)
作者简介:叶肖伟(1980-),男,浙江台州人,教授,工学博士,从事工程结构状态监测与安全评估研究,E-mail:cexwye@zju.edu.cn。
通信作者:刘志雄(1998-),男,湖南郴州人,工学博士研究生,E-mail:liuzhix@zju.edu.cn。
更新日期/Last Update: 2026-04-20