基于管片施工上浮控制的盾构姿态调整方案研究

陈武元; 韦永鹏; 管喆玮; 薛宸熙; 马龙祥

doi:10.20174/j.JUSE.2026.03.22

地下空间与工程学报 >

2026 , Vol. 22 >Issue 3: 965 - 972

DOI: https://doi.org/10.20174/j.JUSE.2026.03.22

设计、施工、监测

基于管片施工上浮控制的盾构姿态调整方案研究

陈武元 ,
韦永鹏 ,
管喆玮 ,
薛宸熙 ,
马龙祥

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1.中交路桥北方工程有限公司,北京 100024;
2.中交(成都)市政建设有限公司,成都 611100;
3.西南交通大学交通隧道工程教育部重点实验室,成都 610031

陈武元(1987—),男,四川南充人,高级工程师,主要从事城市轨道交通工程的建设与施工管理工作。E-mail:wychen@126.com

马龙祥(1988—),男,成都人,博士,副教授,主要从事隧道与地下工程结构设计理论领域的研究工作。E-mail:malongxiang_swjtu@163.com

收稿日期: 2025-11-21

网络出版日期: 2026-06-23

基金资助

中交路桥建设有限公司科技研发(ZJLJ-2022-11)

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Research on Shield Tunnel Attitude Adjustment Scheme Based on Pipe Segment Construction Floating Control

Chen Wuyuan ,
Wei Yongpeng ,
Guan Zhewei ,
Xue Chenxi ,
Ma Longxiang

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1. China Communications Road and Bridge North Engineering Co., Ltd., Beijing 100024, P. R. China;
2. CCC(Chengdu) Municipal Engineering Co., Ltd., Chengdu 611100, P. R. China;
3. Key Laboratory of Transportation Tunnel Engineering, Ministry of Education, Southwest Jiaotong University, Chengdu 610031, P. R. China

Received date: 2025-11-21

Online published: 2026-06-23

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摘要

目前盾构姿态对同步注浆作用下盾构管片上浮现象影响的研究缺少理论及定量化分析,较难为施工现场提供合理的盾构姿态调整方案。通过考虑盾构机姿态对盾尾管片的影响,基于欧拉梁以及Pasternak双参数地基等相关力学理论,建立分析模型用以研究管片施工上浮现象,并对不同盾构姿态下的管片变形及内力结果进行分析。结果表明:合理调整盾构姿态可以一定程度控制施工管片上浮现象,适当向下调整盾构机竖向位置,适当使盾构机尾部有向下转动的俯仰角,可以缓解管片上浮现象的同时减小管片的内力;不合理地调整盾构姿态不但会加剧管片上浮现象,而且会显著增大管片的内力;实际工程中为控制上浮现象可以适当将盾构机竖向位置向下调整,适当调整盾构机俯仰角使盾构机尾部保持向下转动的倾角。根据本文研究制定盾构姿态调整方案后,依托工程的管片上浮现象得到缓解。研究成果可用于指导控制施工管片上浮时盾构姿态的定量调整。

关键词： 管片; 施工上浮; 同步注浆; 盾构姿态

本文引用格式

陈武元 , 韦永鹏 , 管喆玮 , 薛宸熙 , 马龙祥 . 基于管片施工上浮控制的盾构姿态调整方案研究[J]. 地下空间与工程学报, 2026 , 22(3) : 965 -972 . DOI: 10.20174/j.JUSE.2026.03.22

Abstract

At present, there is a lack of theoretical and quantitative analysis on the influence of shield tunnel posture on the upward floating phenomenon of shield tunnel segments under synchronous grouting, which makes it difficult to provide a reasonable shield tunnel posture adjustment plan for construction sites. By considering the influence of shield machine attitude on the shield-tail segments, based on the Euler beam theory, the Pasternak two-parameter foundation model, and other related mechanical theories, an analysis model for the influence of shield tunnel segment uplift under synchronous grouting is established, and the uplift phenomenon, deformation, and internal force responses of shield tunnel segments under different shield attitudes are analyzed. The results show that: Reasonable adjustment of the shield attitude can control the uplift phenomenon of segments during construction to a certain extent. The vertical position of the shield machine can be appropriately adjusted downward, and the pitch angle can be adjusted so that the tail of the shield machine rotates downward, which can alleviate the uplift phenomenon of the segments and reduce their internal forces. Unreasonable adjustment of the shield attitude will not only aggravate the uplift phenomenon of the segments but also significantly increase their internal forces. In actual projects, in order to control the uplift phenomenon, the vertical position of the shield machine can be appropriately adjusted downward, and the pitch angle of the shield machine can be appropriately adjusted to keep the tail of the shield machine rotating downward. After adjusting the shield attitude according to the research conclusions of this paper, the uplift phenomenon of the segments in the referenced project was alleviated. The research results can be used to guide the quantitative adjustment of shield tunneling posture when controlling the upward movement of construction pipe segments.

Key words： segment; uplift in construction; ssimultaneous grouting; shield attitude

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