盾构下穿高铁隧道力学解析模型及随机分析方法

doi:10.13229/j.cnki.jdxbgxb.20240720

吉林大学学报(工学版) ›› 2026, Vol. 56 ›› Issue (3): 734-745.doi: 10.13229/j.cnki.jdxbgxb.20240720

• 交通运输工程·土木工程 • 上一篇

盾构下穿高铁隧道力学解析模型及随机分析方法

费瑞振^1,²(),彭立敏²(),施成华²,王祖贤²,张继清¹,张天奇³,李凤涛¹

^1.中国铁路设计集团有限公司，天津 300142
^2.中南大学土木工程学院，长沙 410075
^3.天津大学建筑工程学院，天津 300350

收稿日期:2024-06-28 出版日期:2026-03-01 发布日期:2026-03-31
通讯作者: 彭立敏 E-mail:ruizhenfei@yeah.net;lmpeng@mail.csu.edu.cn
作者简介:费瑞振（1988-），男，高级工程师，博士.研究方向：隧道及地下工程. E-mail： ruizhenfei@yeah.net
基金资助:
国家自然科学基金项目(51778636);中国铁路设计集团有限公司科研课题项目(2024CJ0102)

Mechanical analysis model and stochastic analysis method for shield tunneling under high-speed railway tunnel

Rui-zhen FEI^1,²(),Li-min PENG²(),Cheng-hua SHI²,Zu-xian WANG²,Ji-qing ZHANG¹,Tian-qi ZHANG³,Feng-tao LI¹

^1.China Railway Design Corporation，Tianjin 300142，China
^2.School of Civil Engineering，Central South University，Changsha 410075，China
^3.School of Civil Engineering，Tianjin University，Tianjin 300350，China

Received:2024-06-28 Online:2026-03-01 Published:2026-03-31
Contact: Li-min PENG E-mail:ruizhenfei@yeah.net;lmpeng@mail.csu.edu.cn

摘要/Abstract

摘要：

为分析盾构下穿引起高铁隧道纵向附加响应的随机性，构建了一种可考虑地层变异性的盾构隧道下穿高铁隧道力学模型。依托工程案例，验证了模型准确性，研究结果表明：随机分析不仅可以捕捉盾构隧道下穿引起的既有高铁隧道纵向响应特征，还能给出高铁隧道附加响应的包络范围，能更为客观的评价新建盾构下穿施工的影响；盾构下穿引起高铁隧道纵向弯矩和剪力极值的统计特征，满足“确定性分析结果<随机分析均值<随机分析95%分位数”的关系，基本服从正态分布，与地基刚度的概率分布类型一致；随机分析结果不仅可以反映高铁隧道附加响应的分布规律，还能提供最大变形等关键评价指标的分布范围及其概率特征，有利于提高评价结果可靠性。

关键词: 隧道工程, 盾构下穿, 力学解析模型, 随机分析方法

Abstract:

A mechanical model for shield tunneling underpassing high-speed railway tunnels that considers ground variability is developed， which can be used to analyze the randomness of longitudinal additional responses in high-speed railway tunnels induced by shield underpassing. The model accuracy was verified based on an engineering case study. The results indicate that： the longitudinal response characteristics of existing high-speed railway tunnels caused by shield tunnel underpassing can be captured by stochastic analysis， and the envelope range of additional responses in high-speed railway tunnels can also be provided， enabling a more objective evaluation of the impact of new shield underpassing construction to be made； the relationship of "deterministic result

Key words: tunnel engineering, shield tunneling, mechanical analytical model, random analysis method

中图分类号:

U455.43

费瑞振,彭立敏,施成华,王祖贤,张继清,张天奇,李凤涛. 盾构下穿高铁隧道力学解析模型及随机分析方法[J]. 吉林大学学报(工学版), 2026, 56(3): 734-745.

Rui-zhen FEI,Li-min PENG,Cheng-hua SHI,Zu-xian WANG,Ji-qing ZHANG,Tian-qi ZHANG,Feng-tao LI. Mechanical analysis model and stochastic analysis method for shield tunneling under high-speed railway tunnel[J]. Journal of Jilin University(Engineering and Technology Edition), 2026, 56(3): 734-745.

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参数	数值
土仓压力/10⁵Pa	0.8~1.2
总推力/MN	11.5~12.5
刀盘扭矩/（MN·m）	2.6~2.9
刀盘转速/（r·min^-1）	1.4~1.6
掘进速度/（mm·min^-1）	20~25
同步注浆量/m³	6.9~7.1
同步注浆压力/MPa	0.24~0.28
出土量/m³	60~62
二次注浆压力/MPa	0.3~0.5
二次注浆量/m³	1.0~1.4

盾构下穿高铁隧道力学解析模型及随机分析方法

Mechanical analysis model and stochastic analysis method for shield tunneling under high-speed railway tunnel

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