A review of previous studies on the applications of fiber optic sensing technologies in geotechnical monitoring
January 2023
Geotechnical engineering is characterized by many uncertainties, including soil material properties, environmental effects, and engineering design and construction, which bring a significant challenge...
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Rapid intelligent evaluation method and technology for determining engineering rock mass quality
April 2023
The evaluation of engineering rock mass quality is fundamental work for the engineering activities of rock mass. The increasing scale of rock mass engineering necessitates higher intelligence, timeliness,...
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Constitutive modeling of a laumontite-rich tight rock and the application to poromechanical analysis of deeply drilled wells
April 2023
Geological formations containing laumontite-rich rock are usually treated as problematic for geo-energy production projects because the presence of laumontite mineral can promote complex mechanical...
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Determination of the crustal friction and state of stress in deep boreholes using hydrologic indicators
January 2023
We apply binary logistic regression to correlate fracture shear-slip criticality to hydraulic conductivity using data from four deep scientific boreholes in fractured crystalline rocks. In each borehole,...
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Uncertainties of landslide susceptibility prediction: Influences of different spatial resolutions, machine learning models and proportions of training and testing dataset
January 2023
This study aims to reveal the impacts of three important uncertainty issues in landslide susceptibility prediction (LSP), namely the spatial resolution, proportion of model training and testing datasets...
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Advances in development of shear-flow testing apparatuses and methods for rock fractures: A review
October 2022
Understanding the mechanical and hydraulic properties of fractured rocks and their coupled processes is of great significance for the exploration, design, construction, operation, and maintenance of...
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Study on instability fracture and simulation of surrounding rock induced by fault activation under mining influence
April 2023
The fault is potentially vulnerability's geological structure in the working face and its vicinity, and it is also a crucial geological factor affecting coal mine safety exploitation. To investigate...
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Permeability evolution during pressure-controlled shear slip in saw-cut and natural granite fractures
April 2023
Fluid injection into rock masses is involved during various subsurface engineering applications. However, elevated fluid pressure, induced by injection, can trigger shear slip(s) of pre-existing natural...
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Three-dimensional failure behavior and cracking mechanism of rectangular solid sandstone containing a single fissure under triaxial compression
October 2022
In actual rock engineering, fissures play an important role in determining the mechanical parameters of rock mass, whereas it is very difficult to construct fissures in cylindrical specimens. Therefore,...
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Cross-fault Newton force measurement for Earthquake prediction
October 2022
Earthquake prediction is a common scientific challenge for academics worldwide. This dilemma originates from the lack of precursory indicators that meet the sufficient and necessary conditions of earthquake...
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Polynomial chaos surrogate and bayesian learning for coupled hydro-mechanical behavior of soil slope
January 2023
As rainfall infiltrates into soil slopes, the hydraulic and mechanical behaviors of soils are interacted. In this study, an efficient probabilistic parameter estimation method for coupled hydro-mechanical...
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Performance of reliability-based design formats in geotechnical applications
January 2023
Geotechnical design codes and guidelines are all switching from traditional factor of safety design to modern load and resistance factor design (LRFD) or partial factor design (PFD), in the belief that...
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Effect of permeants on fracture permeability in granite under hydrothermal conditions
October 2022
Flow-through experiments were conducted with three permeants to determine the effect of pH, temperature, and cation concentrations on changes in permeability. Granite with a single fracture was used...
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Lithology-controlled stress variations of Longmaxi shale – Example of an appraisal wellbore in the Changning area
October 2022
The Longmaxi shale is an extensive, prolific unconventional play in southwestern China. Its development in the Changning area is affected by ineffective hydraulic fracturing (HF) stimulation, fault...
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Evaluation method of underground water storage space and thermal reservoir model in abandoned mine
April 2023
A large number of mines are closed or abandoned every year in China. Geothermal utilization is one of the important ways to efficiently reuse underground resources in abandoned mines. How to calculate...
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Resistance factors for design of slopes in a homogenous soil layer
January 2023
Traditionally, the factor of safety (FOS) is widely used to account for uncertainties in the design of slopes within the framework of working stress design. As the uncertainties involved in the design...
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Analysis of a constant height hydraulic fracture driven by a power-law fluid
October 2022
The focus of this study is to analyze a parametric space for the problem of a constant height hydraulic fracture driven by a power-law fluid. The interplay of physical mechanisms related to toughness,...
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Comparative study on heat extraction performance of three enhanced geothermal systems
April 2023
Enhanced geothermal systems (EGSs) in this study are classified as fracturing-EGS (F-EGS), pipe-EGS (P-EGS) and excavation-EGS (E-EGS) according to reservoir stimulation strategies. However, the heat...
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Characterizing model uncertainty of upper-bound limit analysis on slopes using 3D rotational failure mechanism
January 2023
The slope stability assessment is a classical problem in geotechnical engineering. This topic have attracted many researcher’s attention and various theoretical models for predicting critical slope...
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Catastrophic failure mechanism of rock masses system and earthquake prediction based on percolation theory
October 2022
The failure of rocks is a complicated process as the mechanical properties of the rock are governed by loading history and cumulative ruptures. The geometric aspects of fractures, such as the size and...
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The future of rock mechanics lies with China: Inaugural editorial for Rock Mechanics Bulletin
October 2022
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Effect of temperature-dependent rock thermal conductivity and specific heat capacity on heat recovery in an enhanced geothermal system
April 2023
The modeling of heat recovery from an enhanced geothermal system (EGS) requires rock thermal parameters as inputs such as thermal conductivity and specific heat capacity. These parameters may encounter...
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Heat advection and forced convection in a lattice code – Implementation and geothermal applications
October 2022
A three-dimensional thermo-hydro-mechanical numerical model has recently been enhanced with thermal capabilities to study the response of geothermal reservoirs to stimulation and production. In this...
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Hyper-gravity experiment of solute transport in fractured rock and evaluation method for long-term barrier performance
July 2023
Hyper-gravity experiment enable the acceleration of the long-term transport of contaminants through fractured geological barriers. However, the hyper-gravity effect of the solute transport in fractures...
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Stress path constraints on veined rock deformation
October 2022
Although rock mechanical behaviour has a long record of study, attempts to understand the role of fractures on rock deformation still have unresolved issues. Due to technical and/or economic challenges,...
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