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Rock Mechanics: Latest Research and Challenges

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

Deadline for manuscript submissions: closed (30 November 2023) | Viewed by 2367

Special Issue Editors


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Guest Editor
State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China
Interests: numerical method; rock mechanics; geotechnical engineering; rock dynamics

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Guest Editor
Faculty of Engineering, China University of Geosciences, Wuhan 430074, China
Interests: underground space engineering; disaster prevention and control; tunnel engineering; new numerical methods for geotechnical mechanics
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Special Issue Information

Dear Colleagues,

Rock mechanics is a branch of mechanics that studies the stress, strain, failure, stability, and reinforcement of rocks under external factors such as loads, water flow, temperature changes, or any other such factors. A newly emerging engineering discipline, the field intersects with related areas of study such as mathematics, solid mechanics, fluid mechanics, geology, soil mechanics, civil engineering, etc.

The development of rock mechanics has shown the following trends: firstly, the study of rock rheology, complex constitutive equations (i.e., stress–strain–time relationships), and corresponding computational methods, namely of studying the influence of ground stress and groundwater on the mechanical properties of soft rocks, reinforced technologies and theories for weak rocks, and rock–solid mechanics, will increasingly show their importance. Secondly, with the utilization of underground space, the development of underground power plants, the mining and energy extraction industries, and the transport sector, the research focus of rock mechanics will increasingly shift underground. Therefore, rapid construction techniques, rockburst, gas explosion, and rock mass monitoring will receive come to receive more attention. Finally, in the past, the research objects of rock mechanics have mainly been a thin layer above the crust. In order to understand the mechanism of earthquake occurrence, mineralization laws, geological stability, etc., as well as meet the needs of deep mining and oil extraction, rock mechanics must be combined with geodynamics in the future. Geodynamics involves the study of the motion rules of the crust and upper mantle. It is necessary to factor in the characteristics of time, high temperature and pressure into these considerations because geological deformation processes take substantial amounts of time; the strain rate is low; and the temperature increases with the rising pressure that accompanies increasing depth.

This Special Issue will publish high-quality, original research papers, in the overlapping fields of:

(1) The physical composition and structural characteristics of rocks;
(2) The constitutive relationships (stress-strain relationships) between rocks and rock masses;
(3) The stress, strain, and strength theories of engineering rock bodies;
(4) Indoor experiments of rocks (rocks) and rock masses;
(5) Rock body testing and engineering stability monitoring;
(6) The mechanism and control measures for geological disasters;
(7) The numerical analysis theories and methods in rock mechanics and engineering;
(8) Rock dynamics and engineering applications;
(9) Artificial intelligence and rock mechanics.

Dr. Fei Yan
Prof. Dr. Fei Tan
Guest Editors

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Keywords

  • rock mechanics
  • rock dynamic
  • rock experiments
  • rock masses
  • the constitutive relationships
  • rock strength
  • numerical method
  • artificial intelligence
  • engineering stability
  • geological disasters

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Published Papers (1 paper)

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Research

24 pages, 29084 KiB  
Article
Elastic Behavior of Transversely Isotropic Cylindrical Rock Samples under Uniaxial Compression Considering Ideal and Frictional Boundary Conditions
by Manuel Bernhard Winkler, Thomas Frühwirt and Thomas Marcher
Appl. Sci. 2024, 14(1), 17; https://doi.org/10.3390/app14010017 - 19 Dec 2023
Cited by 4 | Viewed by 1051
Abstract
Conceptualizing sophisticated measurement set-ups as well as testing and evaluation procedures for laboratory experiments on anisotropic rocks requires a basic understanding of the potential specimen behavior. The focus of the present work was therefore to investigate the influence of different transversely isotropic parameters [...] Read more.
Conceptualizing sophisticated measurement set-ups as well as testing and evaluation procedures for laboratory experiments on anisotropic rocks requires a basic understanding of the potential specimen behavior. The focus of the present work was therefore to investigate the influence of different transversely isotropic parameters and their ratios on the elastic behavior of cylindrical rock samples in uniaxial compression tests. Parameter sets corresponding to soft anisotropic rocks were chosen based on naturally observed ranges for the five elastic transversely isotropic constants. Analytical results for the radial and vertical strain distributions around the sample circumference and a comparison with finite element simulations are presented. Further, the effect of interface friction between samples and loading platens was analyzed within the numerical models. The results suggest that radial strains around cylindrical anisotropic samples are rarely uniform except for specific combinations of parameters and isotropy plane inclinations. The effect of interface friction was found to have a clear influence on the developing elastic stress and strain distributions for samples with inclined isotropy planes. Nevertheless, no significant influence of frictional boundary conditions on the back-calibrated values of the elastic parameters could be identified, suggesting that friction-reducing measures in uniaxial compression tests on transversely isotropic samples with predominantly linear behavior are not required. Full article
(This article belongs to the Special Issue Rock Mechanics: Latest Research and Challenges)
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