[1]黄建华,黄夏莲,袁晓玉.顶管顶进对邻近盾构隧道的影响规律[J].福建理工大学学报,2025,23(03):212-219.[doi:10.3969/j.issn.2097-3853.2025.03.002]
　HUANG Jianhua,HUANG Xialian,YUAN Xiaoyu.Influence of pipe jacking on adjacent shield tunnels[J].Journal of Fujian University of Technology;,2025,23(03):212-219.[doi:10.3969/j.issn.2097-3853.2025.03.002]
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顶管顶进对邻近盾构隧道的影响规律
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《福建理工大学学报》[ISSN:2097-3853/CN:35-1351/Z]

卷:
第23卷
期数:
2025年03期
页码:
212-219
栏目:
出版日期:
2025-06-25

文章信息/Info

Title:
Influence of pipe jacking on adjacent shield tunnels
作者:
黄建华; 黄夏莲; 袁晓玉
福建理工大学土木工程学院
Author(s):
HUANG Jianhua;  HUANG Xialian;  YUAN Xiaoyu
School of Civil Engineering, Fujian University of Technology
关键词:
顶管; 盾构隧道; 力学性能; 数值模拟; 敏感度
Keywords:
jacking pipe;  shield tunneling;  mechanical properties;  numerical simulation;  sensitivity
分类号:
U455
DOI:
10.3969/j.issn.2097-3853.2025.03.002
文献标志码:
A
摘要:
以滨海区顶管穿越邻近地铁盾构隧道为研究背景进行建模，将结果与实测数据对比，验证模型的有效性。分析不同工况下，顶管顶进过程盾构隧道力学性能变化特征及影响因素和敏感度。结果表明:顶管垂直上穿施工会引起下方盾构隧道整体上浮，最大变形在顶管轴线正下方;顶管并行隧道时，对邻近盾构隧道变形影响较大，尤其在平行顶进立面夹角-45°位置时，隧道变形最大，是不利工况;顶管与隧道间距越小，盾构隧道横截面变形越大，邻近顶管的隧道轴力和弯矩变化量也越大;顶管直径越大，顶进时邻近隧道横截面变形也越大，轴力和弯矩变化量也越大，顶管直径与距离的关联度均大于0.5，顶管直径的敏感度大于二者间距。
Abstract:
A modeling was conducted with the background of pipe jacking through adjacent subway shield tunnels in the coastal area. The results were compared with measured data to verify the effectiveness of the model. The variation characteristics, influencing factors and sensitivity of mechanical properties of shield tunnel during pipe jacking process under different working conditions were analyzed. Results show that the vertical upward pipe jacking construction will cause the shield tunnel below to float as a whole, and the maximum deformation is directly below the pipe jacking axis. When the pipe jacking is parallel to the tunnel, it has a great influence on the deformation of the adjacent shield tunnel. Particularly, when the angle between the parallel jacking facade is -45°, the tunnel deformation is the largest, which is an unfavorable working condition. The smaller the distance between the pipe jacking and the tunnel, the greater the cross-sectional deformation of the shield tunnel, and the greater the change of the axial force and bending moment of the tunnel adjacent to the pipe jacking. The larger the diameter of the jacking pipe, the greater the cross-sectional deformation of the adjacent tunnel during jacking, the greater the change of axial force and bending moment.When the correlation between the diameter of the pipe jacking and the distance is greater than 0.5, the sensitivity of the pipe jacking diameter is greater than the distance between the two.

参考文献/References:

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更新日期/Last Update: 2025-06-25