Energy variational solution for settlement of buried pipeline induced by tunneling

LIU Xiao-qiang; LIANG Fa-yun; ZHANG Hao; CHU Feng

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Energy variational solution for settlement of buried pipeline induced by tunneling

更新时间：2026-06-25

- Energy variational solution for settlement of buried pipeline induced by tunneling
- Vol. 35, Issue S2, (2014)
- 作者机构：
  
  1. 同济大学地下建筑与工程系,上海,200092
  2. 上海陆家嘴金融贸易区联合发展有限公司,上海,200127
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU470
- Online First：12 November 2014，
  
  Published：2014
- 稿件说明：
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LIU Xiao-qiang, LIANG Fa-yun, ZHANG Hao, et al. Energy variational solution for settlement of buried pipeline induced by tunneling[J]. 2014, 35(S2).
DOI：

LIU Xiao-qiang, LIANG Fa-yun, ZHANG Hao, et al. Energy variational solution for settlement of buried pipeline induced by tunneling[J]. 2014, 35(S2). DOI：

摘要

隧道穿越引起的地层位移可能造成地下管线变形过大或断裂等事故，引起工程界的高度关注。基于假定的地下管线竖向位移分布模式，通过能量方法建立变分控制方程，提出了求解隧道穿越地下管线竖向位移的能量变分解法，运用叠加原理将单线隧道解答延拓至双线隧道中。与离心机试验和工程实例的对比，验证了方法的正确性。通过参数计算，分析了管材弹性模量、管线埋深、地层损失率等相关因素对地下管线竖向位移的影响规律，研究结论具有工程参考价值。

Abstract

Ground movement induced by tunneling may cause excessive deformation or breakage accident of buried pipelines. Therefore

these problems arouse great concerns of engineers. Based on assumed distribution form of the vertical displacement of buried pipeline

the governing variational equations are established based on the energy method. The energy variational solutions of the vertical displacement of buried pipeline causes by tunneling are obtained accordingly. Using the principle of superposition

further results are extended to solve the twin-track tunnels. The validation of the proposed method is demonstrated through comparison with the centrifuge tests and cases studies. Meanwhile

factors that affect the vertical displacement of buried pipeline are also analyzed. The conclusions can be applied to practical engineering.

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