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Applied Sciences
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Rock Mechanics in Geotechnical and Tunnel Engineering
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Rock Mechanics in Geotechnical and Tunnel Engineering

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Civil Engineering".

Deadline for manuscript submissions: 31 October 2024 | Viewed by 754

Special Issue Editors

Dr. Yun Lin

E-Mail Website
Guest Editor
School of Resources and Safety Engineering, Central South University, Changsha 410083, China
Interests: multi-field coupling rock mechanics; intelligent early warning and control of geotechnical disasters
Special Issues, Collections and Topics in MDPI journals
Dr. Chun Yang

E-Mail Website
Guest Editor
Department of Mining Engineering, Central South University, Changsha 410083, China
Interests: numerical modelling; microwave-assisted rock breakage; mining; rock mechanics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Rock mechanics is the scientific study of the deformation and failure behavior of rocks under external forces, which directly relates to the stability and safety of geotechnical and tunnel engineering. It plays an irreplaceable role in the design, construction, and operation of engineering projects. With the development of industry, the acceleration of urbanization, and the deepening of underground space utilization, higher requirements have been put forward for the safety and reliability of geotechnical and tunnel engineering. Simultaneously, there is a continuous pursuit of higher economic benefits and lower environmental costs. Therefore, research and application of rock mechanics have become particularly important. By focusing on the frontier issues of rock mechanics in geotechnical and tunnel engineering fields, this theme aims to enrich the theory of rock mechanics, enhance the stability analysis level of geotechnical engineering, and provide scientific support for underground space development such as tunnels and mineral resource exploitation.

This Special Issue will cover a wide range of topics relating to the rock mechanics in geotechnical and tunnel engineering. We invite scientists and investigators to contribute original research and review articles, addressing the main issues facing the field.

Potential topics include but are not limited to the following:

  1. Geotechnical engineering detection technology;
  2. Rock blasting and excavation methods;
  3. Geotechnical challenges in underground tunneling;
  4. Application of machine learning in geotechnical and tunnel engineering;
  5. Rheological instability mechanism of surrounding rock mass of deep water-rich tunnels;
  6. Study on the mechanism and prevention of water inrush disasters in tunnels;
  7. Multiscale, multifield, and continuum–discontinuum analysis in geomechanics;
  8. Large-scale modeling and high-performance calculation of geotechnical and tunnel engineering;
  9. Thermal–wet–mechanical–chemical multi-field coupling analysis and experiments;
  10. Rock burst and microseismicity;
  11. Shield tunnel construction.

Dr. Yun Lin
Dr. Chun Yang
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • rock engineering
  • mechanical behavior
  • geotechnical and tunnel engineering
  • underground space
  • numerical modelling
  • monitoring technology
  • blasting techniques
  • big data analytics
  • stability assessment
  • machine learning and artificial intelligence

Published Papers (2 papers)

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Research

16 pages, 12403 KiB  
Article
Dynamic Responses and Failure Characteristics of Deep Double U-Shaped Caverns under Disturbing Loads
by Lisha Liang, Xibing Li and Zhixiang Liu
Appl. Sci. 2024, 14(11), 4543; https://doi.org/10.3390/app14114543 - 25 May 2024
Viewed by 228
Abstract
The instability of double-cavern structure subjected to dynamic disturbances is a key issue for deep rock engineering. To investigate the dynamic responses of deep double U-shaped caverns, comprehensive analyses are conducted by Particle Flow Code (PFC2D), and the influences of incident directions of [...] Read more.
The instability of double-cavern structure subjected to dynamic disturbances is a key issue for deep rock engineering. To investigate the dynamic responses of deep double U-shaped caverns, comprehensive analyses are conducted by Particle Flow Code (PFC2D), and the influences of incident directions of stress wave, cavern clearances, and cavern height ratios are discussed. The results indicate that the decreasing cavern clearance aggravates the static stress concentration on the intermediate rock pillar. When the stress wave is horizontally incident, the presence of the incident side cavern reduces peak tangential stress and kinetic energy on the non-incident side cavern; the higher the incident side cavern, the less damage on the non-incident side cavern. A vertically incident stress wave causes more severe damage in the intermediate rock pillar compared to a horizontally incident stress wave; the smaller the cavern clearance, the more violent the rockburst in the intermediate rock pillar. Comparatively, the cavern with a lower height exhibits more severe failure at the adjacent sidewall compared to the cavern with a higher height. This work can provide guidelines for disaster prevention of deep double-cavern structures. Full article
(This article belongs to the Special Issue Rock Mechanics in Geotechnical and Tunnel Engineering)
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23 pages, 12552 KiB  
Article
Effect of Jointed Rock Mass on Seismic Response of Metro Station Tunnel-Group Structures
by Ruozhou Li and Yong Yuan
Appl. Sci. 2024, 14(10), 4080; https://doi.org/10.3390/app14104080 - 11 May 2024
Viewed by 313
Abstract
A jointed rock mass (JRM) is the usual case in practical engineering, which has significant effects on its mechanical performance. To clarify the difference in the seismic responses of underground structures in JRM sites or homogeneous rock mass (HRM) sites, two models were [...] Read more.
A jointed rock mass (JRM) is the usual case in practical engineering, which has significant effects on its mechanical performance. To clarify the difference in the seismic responses of underground structures in JRM sites or homogeneous rock mass (HRM) sites, two models were prepared to take shaking table tests in a structural laboratory. The HRM site was prepared following the similitude relations of material; meanwhile, underground structures of a metro station were embedded during the casting of the models. The JRM site and structure were made with the same material but produced random joints after the natural drying process. Different frequencies of harmonics were used to excite along the two models in the transverse or the longitudinal direction, respectively. The dynamic effect was evaluated by time-frequency and frequency-domain analyses. The test results compared with the HRM model indicated that the JRM model had a 22% reduction in the transverse fundamental frequency, but the dynamic response of the ground surface was enhanced due to the effect of the joints. Under harmonic excitations of the same intensity, the JRM model produced a greater energy response to the station structure and reduced the acceleration response of the platform in the high-frequency region. Meanwhile, the JRM model produced a peak tensile strain at the connections of the main and subsidiary structures that was 31% larger than that of the HRM model, and the range of tensile strains observed at the platform connecting the horizontal passage was 1.5 times larger than that of the HRM model. Full article
(This article belongs to the Special Issue Rock Mechanics in Geotechnical and Tunnel Engineering)
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