Analytical solution of the long-term service performance of tunnel considering surrounding rock rheology and lining deterioration characteristics

LIU Chang; ZHANG Ding-li; ZHANG Su-lei; FANG Qian; FANG Huang-cheng

doi:10.16285/j.rsm.2021.0404

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Analytical solution of the long-term service performance of tunnel considering surrounding rock rheology and lining deterioration characteristics

更新时间：2026-06-25

- Analytical solution of the long-term service performance of tunnel considering surrounding rock rheology and lining deterioration characteristics
- Vol. 42, Issue 10, Pages: 2795-2807(2021)
- 作者机构：
  
  1. 北京交通大学城市地下工程教育部重点实验室,北京,100044
  2. 青岛理工大学土木工程学院,山东,青岛,266033
- 作者简介：
- 基金信息：
- DOI：10.16285/j.rsm.2021.0404
  CLC： U451
- Online First：20 October 2021，
  
  Published：2021
- 稿件说明：
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LIU Chang, ZHANG Ding-li, ZHANG Su-lei, et al. Analytical solution of the long-term service performance of tunnel considering surrounding rock rheology and lining deterioration characteristics[J]. 2021, 42(10): 2795-2807.
DOI：

LIU Chang, ZHANG Ding-li, ZHANG Su-lei, et al. Analytical solution of the long-term service performance of tunnel considering surrounding rock rheology and lining deterioration characteristics[J]. 2021, 42(10): 2795-2807. DOI： 10.16285/j.rsm.2021.0404.

摘要

衬砌劣化普遍存在于隧道工程，对隧道运营安全产生威胁。针对流变岩体中运营隧道衬砌劣化现状，建立了考虑围岩流变及衬砌劣化特性的时效解析模型，分析了隧道全寿命周期内围岩位移、支护反力变化规律。通过数值建模验证了解析模型的正确性，借助本模型对衬砌劣化系数、衬砌厚度、支护时间及围岩流变特性等参数进行敏感性分析，最后对隧道服役性能进行了探讨。研究表明：在围岩流变效应下支护压力随时间增大，而支护结构在服役环境下力学性能逐渐降低，两者的耦合作用缩短了结构达到屈服强度发生破坏的时间；获取了支护荷载及承载能力时程曲线，建立了围岩流变及支护性能劣化耦合作用下隧道服役寿命预测模型；明确指出支护?围岩关系是隧道结构长期安全性的核心内容。

Abstract

Deterioration of lining is a common phenomenon in tunnel engineering that threatens the safety of operating tunnel. For tunnel lining deterioration in rheological rock mass

an analytical model is established which the rheology effect of surrounding rock and deterioration of lining are considered. The surrounding rock displacement and support pressure of tunnel during its service life are obtained. And then the correctness of analytical model is verified by numerical simulation. Subsequently

the sensitivity analyses of deterioration coefficient of lining

thickness of lining

support time

and rheological properties of surrounding rock are carried out by the proposed analytical model. Finally

the service performance of tunnel is discussed. Research shows that under the rheological effect of surrounding rock

support pressure increases with time

while the mechanical properties of support structure decrease with time. Therefore

the time which support structure reaching its yield strength is shortened. Time history curves of support pressure and bearing capacity of lining are then obtained. Based on this

a model for predicting the service life of operating tunnel is established which the rheology effect of surrounding rock and support performance deterioration are considered. Finally

it is stated that the interaction between support and surrounding rock is the core for the long-term safety of operating tunnel.

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