相关参考文献
注意：仅列出部分参考文献，下载原文获取全部文献信息。
Article
Geosciences, Multidisciplinary
Feng Xiong et al.
Summary: Three-dimensional fluid flow and thermal transport modeling in discrete fracture networks (DFNs) is crucial for enhanced geothermal systems (EGSs). A coupled thermo-hydro (T-H) model based on the Galerkin finite element method was developed, considering nonlinear fluid flow models and a simplified thermal transport model. The proposed method was validated using experimental, analytical, and numerical solutions, and applied to simulate heat extraction in a Habanero EGS reservoir. The results showed that injection pressure and temperature had different effects on power generation and reservoir lifespan.
Article
Engineering, Geological
Fuqiang Ren et al.
Summary: By conducting true triaxial unloading rockburst tests, the difference between static-driven and dynamically triggered rockbursts was examined. The study compared and analyzed the rockburst characteristics, intensities, and precursors of three different types of rockbursts. The findings suggest that the increment f (alpha) parameter and stress drop can be used for long-term monitoring and short-term prediction of rockbursts.
ROCK MECHANICS AND ROCK ENGINEERING
(2023)
Article
Engineering, Geological
Wei Zhang et al.
Summary: Studying the characteristics of acoustic-thermal signals in the failure process of weakly cemented fractured rocks is of great significance for expanding the analysis methods of rock fracture laws. Biaxial compression tests were conducted on weakly cemented sandstone samples to investigate the evolution law of acoustic-thermal signals. The joint analysis index of acoustic-thermal sensitivity was proposed and the research results showed different sensitivities and sequences of the joint index for fractured rocks with different dip angles.
ROCK MECHANICS AND ROCK ENGINEERING
(2023)
Article
Construction & Building Technology
Gan Li et al.
Summary: With the rapid development of tunnel projects, the issue of supporting soft rock tunnels has become more prominent. The prestressed anchor support method has made great progress in theory and practice, but there is limited research on quantitative design. This paper enhances the support optimization model by using surrounding rock wave velocity and related geological conditions. The results show the linear relationship between P-wave velocity and structural plane density of the surrounding rock.
TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY
(2023)
Article
Mechanics
Wei Zhang et al.
Summary: The fracture mechanics behavior of anchored rock with a pre-crack was investigated through a three-point bending test and non-contact optical measurement method. Different anchoring conditions were tested and corresponding fracture mechanics parameters were obtained. The toughening mechanism of the anchor bolt and the stability of the anchored rock were discussed based on the stress intensity factor theory and the double K criterion. It was found that the anchor bolt increases the threshold of crack initiation and instability of the rock, while the bolt retards crack propagation through transverse closing force.
INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES
(2023)
Article
Energy & Fuels
Qian Yin et al.
Summary: This study investigates the mechanical responses and cracking mechanisms of granites under different temperature and quenching cycle conditions through triaxial compression tests. The results show that with increasing temperature and quenching cycles, the density of the granites decreases, mass loss and volume increase rates increase, and the peak intensity of diffraction for quartz decreases. The peak strength decreases linearly with increasing quenching cycles, while the peak axial strain increases exponentially. The elastic and secant moduli of the granites decrease with increasing temperature and quenching cycles, and the post peak rock brittleness weakens.
GEOMECHANICS AND GEOPHYSICS FOR GEO-ENERGY AND GEO-RESOURCES
(2022)
Article
Metallurgy & Metallurgical Engineering
Wei Zhang et al.
Summary: This study investigates the influence of lateral pressure on the mechanical behavior of different rock types and analyzes the formation mechanism of macro-fracture surface. Results show that the brittleness and burst proneness of rock or coal material are stronger than that of gypsum material. The peak stress and elastic modulus increase with the increase of lateral pressure until a certain point, beyond which they decrease slightly or remain steady due to local failure.
JOURNAL OF CENTRAL SOUTH UNIVERSITY
(2022)
Article
Construction & Building Technology
Qi Wang et al.
Summary: A new material anchor cable with high elongation and high energy absorption properties is developed for the support structure of underground engineering. Through static and dynamic tests, the performance of the anchor cable is compared with existing anchor cables, and the results show that it has good static deformation and energy absorption capabilities, as well as advantages in impact deformation resistance and energy absorption.
TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY
(2022)
Article
Engineering, Geological
Ketan Arora et al.
Summary: This study proposes a new visco-elastic-plastic solution for deep circular tunnels in soft rock and high field stress conditions. By comparing with experimental data, it is found that the proposed solution accurately predicts tunnel wall displacement and reflects the time-dependent behavior of the tunnels.
INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES
(2021)
Article
Engineering, Geological
Yota Togashi et al.
Summary: The characterization of deformation anisotropy in rocks is crucial for understanding the deformation properties of rock structures. A new method has been developed in this study to obtain all 12 constants of orthotropic elasticity by conducting three uniaxial compression tests on specimens sampled in three orthogonal directions. The proposed method has been effectively evaluated through verification experiments on Neogene soft sedimentary rocks.
INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES
(2021)
Article
Engineering, Geological
Yota Togashi et al.
Summary: This study investigates the deformation behavior of Japanese tuff due to drying and continuous moisture-content variation. The results show anisotropic deformations with dominant normal strain in the orientation perpendicular to the bedding plane, shear strain, and principal strain rotation due to moisture variation. The study reveals that the hardest and softest orientations of tuff continuously alternate due to moisture variation.
INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES
(2021)
Article
Engineering, Geological
Hongqiang Song et al.
Summary: The mechanical characteristics of soft rock-coal combination samples mainly affected by the coal were studied. Coal reduced the strength of sandstone near the interface and improved that of the coal near the interface.
INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES
(2021)
Article
Engineering, Geological
Sen Yang et al.
Summary: A novel image-based automatic rock mass Geological Strength Index (GSI) rating system was developed, providing a rapid and robust quantification of rock mass properties. The proposed method utilizes innovative algorithms to enhance the accuracy of discontinuity characterization, offering better noise suppression compared to existing methods.
INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES
(2021)
Article
Energy & Fuels
Qian Yin et al.
Summary: Characterizing the temperature-dependent shear mechanical responses of rock masses under constant normal stiffness boundary conditions is essential for deep underground projects. This study experimentally analyzed the shear properties and dilatancy deformation of sandstone at high temperatures, finding that defects increase porosity and decrease properties like P-wave velocity and fractal dimension. The study identified a shear failure process, with variations in shear strength, normal stress, and displacement with temperature and normal stress levels.
GEOMECHANICS AND GEOPHYSICS FOR GEO-ENERGY AND GEO-RESOURCES
(2021)
Article
Engineering, Geological
N. S. Montero-Cubillo et al.
Summary: This research introduces a laboratory creep test for measuring displacements in anchors embedded in large-scale soft rock samples. The tests involved a rock-like material composed of bentonite, cement and water, with durations between forty-six and seventy-five days each. An adequate interpretation of the instantaneous strain obtained in the test has been carried out, exposing two effects that must be considered: the greater ridigity on small strain and the scale effect.
INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES
(2021)
Article
Mechanics
Alexandros Theocharis et al.
INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES
(2020)
Article
Mechanics
Tong-bin Zhao et al.
INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES
(2020)
Article
Engineering, Geological
Xia-Ting Feng et al.
ROCK MECHANICS AND ROCK ENGINEERING
(2018)
Article
Engineering, Geological
Mojtaba Rahimi et al.
JOURNAL OF ROCK MECHANICS AND GEOTECHNICAL ENGINEERING
(2018)
Article
Mining & Mineral Processing
Yang Renshu et al.
INTERNATIONAL JOURNAL OF MINING SCIENCE AND TECHNOLOGY
(2017)
Article
Engineering, Geological
Sheng-Qi Yang et al.
ROCK MECHANICS AND ROCK ENGINEERING
(2016)
Article
Energy & Fuels
H. P. Kang et al.
INTERNATIONAL JOURNAL OF COAL GEOLOGY
(2015)
Article
Mining & Mineral Processing
Guo Hongyun et al.
INTERNATIONAL JOURNAL OF MINING SCIENCE AND TECHNOLOGY
(2015)
Article
Engineering, Geological
Chen Cao et al.
INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES
(2014)
Article
Engineering, Geological
Chen Cao et al.
INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES
(2013)
