Advances in Civil Engineering

Deformation Control and Long-term Safety Assessment of Soft Rock Tunnels


Publishing date
01 Mar 2022
Status
Closed
Submission deadline
22 Oct 2021

Lead Editor
Guest Editors

1Colorado School of Mines, Golden, USA

2Chengdu University of Technology, Chengdu, China

3Southwest Jiaotong University, Chengdu, China

This issue is now closed for submissions.
More articles will be published in the near future.

Deformation Control and Long-term Safety Assessment of Soft Rock Tunnels

This issue is now closed for submissions.
More articles will be published in the near future.

Description

Soft rock tunnels constructed in mountainous areas frequently encounter complicated geological environments, variable geo-stress fields, notable anisotropic and time-dependent deformation of layered rocks, and universal corrosive conditions of the support system, which causes numerous tough issues during the construction and operation of tunnels.

There are three main challenges related to the deformation control and long-term safety assessment of soft rock tunnels in mountainous areas. Firstly, the strong crustal movement forms an uneven and locally concentrated high geo-stress. The stress redistribution after tunnel excavation often introduces excess stress in the surrounding rocks, which exceeds the rock strength and leads to the occurrence of tunnel squeezing deformation. Secondly, metamorphic and sedimentary rocks with well-developed weak planes are widely distributed, which shows evident anisotropy in mechanical and physical behaviour and has a complicated nonlinear evolution process with damage, cracking, and collapse after tunnel excavation. Thirdly, the supporting structures are prone to corrosive deterioration due to the high-stress, high-temperature, and high-pressure environment, which causes the failure of structures with the increase of time

The aim of this Special Issue is to bring together original research and review articles highlighting the squeezing deformation control technologies and long-time performance evaluations of tunnel structures. We particularly welcome submissions related to the interaction mechanism between soft rocks and supporting structures, the design and analysis of novel tunnel structures, corrosive behaviour of cables and steel arches, the fracture evolution of surrounding rocks after tunnel excavation, etc.

Potential topics include but are not limited to the following:

  • The strain soften features and constitutive models of rocks
  • The creep behaviour and constitutive models of rocks
  • Multiphysics and multiscale behaviour of rocks
  • Finite element, finite difference, discrete element, and coupled numeric modelling approaches
  • Design and analysis of different tunnel structures, such as yielding structures, support with high stiffness
  • Strain localization theory of geomaterials
  • The new measuring technologies recording the mechanical behaviour of rocks and supporting systems
  • The use of artificial intelligence algorithms in evaluating the long-term safety of tunnels
  • The corrosive behaviour of rock bolts under tensile, shear, or combined actions
  • The corrosive features of steel arches or reinforced concrete under compression, bending, or combined action
  • The determination of in-situ geo-stress field

Articles

  • Special Issue
  • - Volume 2022
  • - Article ID 9239460
  • - Research Article

Experimental Study on the Effect of Freezing and Thawing on the Shear Strength of the Frozen Soil in Qinghai-Tibet Railway Embankment

B. Wang | J. H. Gao | ... | S. W. Zhou
  • Special Issue
  • - Volume 2021
  • - Article ID 6849650
  • - Research Article

Experimental Research on Key Factors Influencing the Expansion Performance of New Type Sealing Materials

Yaobin Li | Xin Guo | ... | Yang Xu
  • Special Issue
  • - Volume 2021
  • - Article ID 3681439
  • - Research Article

Mechanical Behavior, Energy Release, and Crack Distribution Characteristics of Water-Saturated Phyllite under Triaxial Cyclic Loading

Yang Zhou | Shengrui Su | Peng Li
  • Special Issue
  • - Volume 2021
  • - Article ID 1865694
  • - Research Article

Researches on the Influence of Blasting of Newly Built Tunnel on the Existing Tunnel Structure with Small Cross Angle

Xian Du | Qinghua Xiao | ... | Jianyou Yu
  • Special Issue
  • - Volume 2021
  • - Article ID 9750447
  • - Research Article

Water Inrush Risk Assessment Based on AHP and Advance Forecast Approach: A Case Study in the Micangshan Tunnel

Tao Song | Jun Zeng | ... | Tao Xia
  • Special Issue
  • - Volume 2021
  • - Article ID 4120873
  • - Research Article

Deformation and Mechanical Properties of a Constant-Friction-Force Energy-Absorbing Bolt

Tao Song | Tianbin Li | ... | Feng Peng
  • Special Issue
  • - Volume 2021
  • - Article ID 3664578
  • - Research Article

Viscoelastoplastic Displacement Solution for Deep Buried Circular Tunnel Based on a Fractional Derivative Creep Model

Yi-Hang Gao | Zhou Zhou | ... | Qing-Hua Meng
  • Special Issue
  • - Volume 2021
  • - Article ID 9976278
  • - Research Article

Numerical Study of Wave- and Current-Induced Oscillatory Seabed Response near a Fully Buried Subsea Pipeline

Lunliang Duan | Meiling Fan | ... | Lei Xing
  • Special Issue
  • - Volume 2021
  • - Article ID 4765731
  • - Research Article

An Analysis of Relationship between the Microfracture Features and Mineral Morphology of Granite

Meiben Gao | Tianbin Li | ... | Yongyi Yang
  • Special Issue
  • - Volume 2021
  • - Article ID 5453764
  • - Research Article

Stability of a Rock Tunnel Passing through Talus-Like Formations: A Case Study in Southwestern China

Shaoqiang Zhang | Wenqiang Li | ... | Zixin Zhang
Advances in Civil Engineering
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