Mechanical Behavior and Fracture Characteristics of Rock in Deep Underground Engineering
A special issue of Minerals (ISSN 2075-163X).
Deadline for manuscript submissions: closed (14 April 2023) | Viewed by 13925
Special Issue Editors
Interests: mining rock mechanics; stability analysis and control of surrounding rock in deep underground engineering; mine power disaster prevention and control
Interests: true triaxial failure of rock; fracture mechanics; damage mechanics; analysis on fracture law of surrounding rock
Special Issue Information
Dear Colleagues,
As the demand for mineral resources and underground space in the deep crust keeps increasing, underground rock engineerings, such as mines, tunnels, hydropower stations, and nuclear waste repositories, is gradually turning its focus to the development of deep rocks. Deep underground engineering faces extreme conditions such as high ground stress and strong engineering disturbance. This leads to the frequent occurrence of engineering disasters with high energy levels and large volumes in the deep. The mechanism is unclear, difficult to predict, and effectively control, and the traditional rock mechanics and mining theories are controversial in terms of deep applicability.
In the construction of deep underground engineering, some abnormal rock fracture and damage phenomena, such as rock burst, large deformation, and zonal disintegration, differ significantly from those of shallow rocks. This sheds light on the judgment that deep rocks may have mechanical constitutive behaviors that are completely different from shallow ones. As traditional rock mechanics only take static loads, fatigue loads, or impact loads into account, it is inadequate to explain the unconventional mechanical behavior and fracture characteristics of deep rocks, as well as to provide scientific guidance for major underground engineering issues such as exploitation of deep resources, storage of deep energy, CO2 and nuclear waste storage, and earthquake prediction. Therefore, to ensure the scientific design and safe operation of deep underground engineering, it is of great significance to learn more about the mechanical behavior and fracture characteristics of deep rocks. Moreover, the issues of earth science, environmental science, and engineering science in the utilization of deep space have become an important direction for the development of science and technology in the future world, which is a major frontier field of related disciplines and their cross-integration.
The Special Issue focuses on the latest and most challenging research topics on rock mechanical behavior and fractures in deep underground engineering, as well as on the mechanism and control of deep engineering geological disasters. We invite researchers to provide original research on the mechanism and control of deep rock mass geological disasters and their applications for this Special Issue. Accordingly, excellent original research papers and state-of-the-art review papers that well reflect advances in dynamic failure characteristics, energy characteristics, and nonlinear mechanical behavior of deep rocks are to be collected. Manuscripts on laboratory experiments, field investigations, theoretical analyses, and numerical simulations are welcome.
Potential topics include but are not limited to the following:
- Theory and methods of deep rock mechanics tests
- Mechanical characteristics of rock under high stress
- In situ mechanical behavior of deep underground rock masses
- Fracture mechanism and characteristics of deep underground rock masses
- Distribution and evolution characteristics of mining-induced stress in surrounding rock in deep roadways
- Macroscopic and microscopic damage behavior of deep rock masses
- Energy dissipation characteristics of deep rocks
- New developments in numerical simulation of deep rock fractures
- Constitutive models and failure criteria of deep rocks
- Nonlinear mechanical characteristics and aging characteristics of deep rock masses
- Deep mining power mutation causes disaster theory
- Theory and technology in deep mining disaster change prediction
- Deep mining disaster prevention and control technologies
Prof. Dr. Lianguo Wang
Dr. Zhaolin Li
Guest Editors
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Keywords
- fracture mechanics
- three-dimensional stress field
- disaster process
- evolutionary mechanism
- constitutive relation
- stress field
- mechanical properties
- loading rate
- engineering application
- monitoring method
- numerical simulation
- dynamic fracture toughness
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