Application of artificial intelligence in three aspects of landslide risk assessment: A comprehensive review
October 2024
Landslides are one of the geological disasters with wide distribution, high impact and serious damage around the world. Landslide risk assessment can help us know the risk of landslides occurring, which...
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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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Rockburst prediction using artificial intelligence techniques: A review
July 2024
Rockburst is a phenomenon where sudden, catastrophic failure of the rock mass occurs in underground deep regions or areas with high tectonic stress during the excavation process. Rockburst disasters...
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Prediction of uniaxial compressive strength of rock based on lithology using stacking models
October 2023
Uniaxial compressive strength (UCS) of rock is an essential parameter in geotechnical engineering. Point load strength (PLS), P-wave velocity, and Schmidt hammer rebound number (SH) are more easily...
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Intelligent early-warning platform for open-pit mining: Current status and prospects
January 2024
As the profundity of open-pit mining operations has increased, so has the frequency of geological disasters. The complex interaction of factors causing these disasters presents technical challenges...
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Study on damage characteristics of iron ore under variable line density charge structure blasting
October 2024
Blasting test research was conducted on iron ore specimens with variable line density charging structures. Computer tomography (CT), digital image processing, and three-dimensional model reconstruction...
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Continuous-discontinuous analysis of bench blasting in open-pit mining: Influences of hole packing and caving holes
October 2024
Bench blasting is commonly used in open-pit mining. Some design parameters such as positions of hole packing and caving holes have great influences on the blasting effects. In this work, with a hybrid...
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Compaction and seepage characteristics of broken coal and rock masses in coal mining: A review in laboratory tests
April 2024
Broken coal and rock (BCR) are an important component medium of the caving zone in the goaf (or gob), as well as the main filling material of fault fracture zone and collapse column. The compaction...
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Geomechanical risk and mechanism analysis of CO2 sequestration in unconventional coal seams and shale gas reservoirs
October 2023
With global greenhouse gas emissions hitting record highs in 2021, CO2 geological sequestration (CGS) is the most realistic and feasible technology to ensure large-scale carbon reduction to achieve...
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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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Simultaneously improving ROP and maintaining wellbore stability in shale gas well: A case study of Luzhou shale gas reservoirs
July 2024
The ROP (rate of penetration) within the horizontal section of shale gas wells in the Luzhou oil field is low, seriously delaying the exploration and development process. It is proved that reducing...
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Current status of the geological disposal programme and an overview of the safety case at the pre-siting stage in Japan
July 2023
In Japan, high-level radioactive waste and specific low-level radioactive waste which includes long-lived radionuclides are planned to be disposed of in the geological formations at depths greater than...
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Disposal of high-level radioactive waste in crystalline rock: On coupled processes and site development
July 2023
Safe disposal of high-level radioactive nuclear waste (HLW) is crucial for human health and the environment, as well as for sustainable development. Deep geological disposal in sparsely fractured crystalline...
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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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A review on experimental techniques and their applications in the effects of mineral content on geomechanical properties of reservoir shale rock
April 2024
Understanding the effects of mineral composition on geomechanical characteristics is critical in order to design and optimize the hydraulic fracturing necessary for shale gas reservoir production. Fundamental...
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Assessment of nano-to-micro-scale geomechanical properties and their time-dependent behavior: Current status and progressive perspectives
January 2024
Rocks can deform at varying scales (nano-, micro- and macro-scale) under different temperatures, pressures, stresses, and time conditions. Sub-core scale (nano-to micro-scale) changes in rock properties...
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Two-phase flow thermo-hydro-mechanical modeling for a water flooding field case
July 2024
Simulation of subsurface energy system involves multi-physical processes such as thermal, hydraulical, and mechanical (THM) processes, and requires a so-called THM coupled modeling approach. THM coupled...
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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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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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A coarse-grained bonded particle model for large-scale rock simulation
Available online 31 May 2024
For solving the computationally intensive problem encountered by the discrete element method (DEM) in simulating large-scale engineering problems, it is essential to establish a numerical model that...
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Experimental study on failure mechanism of soft rock-coal bodies in abandoned mines under cyclic dynamic loading
October 2024
During the construction and operation of a pumped storage power station in an abandoned mine, the soft rock-coal body structure, comprising the roof and the residual coal pillars, encounters a complex...
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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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Analytical prediction for time-dependent interaction of a circular tunnel excavated in strain-softening rock mass
July 2024
Viscoelastic plastic solutions for tunnel excavation in strain-softening rock mass and tunnel-rock interaction are proposed based on the Mohr-Coulomb and the Generalized Zhang-Zhu (GZZ) strength criterion...
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Progress on rock mechanics research of Beishan granite for geological disposal of high-level radioactive waste in China
July 2023
The mechanical behavior of host rock for a deep geological repository of high-level radioactive waste plays a key role in ensuring the isolation function of host rock as a natural barrier under the...
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Experimental investigation of stress unloading effects on rock damage and confining pressure-dependent crack initiation stress of porous sandstone under true triaxial stress environments
April 2024
This study investigates the impact of intermediate (σ2) and minimum (σ3) principal stress unloading on damage behavior and the confining pressure influence on crack initiation stress (σci) in true triaxial...
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