The effect of geometrical parameters on wedge failure of rock slopes using physical and numerical modelling
July 2025
This study investigated the role of the geometrical parameters of a wedge block on its stability using physical and numerical modeling. For the purpose of physical modeling, a new experimental setup...
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A green coal mining method for protecting roadways and overlying strata
July 2025
The non-pillar mining method with automatically formed roadway (NPM-AFR) is an innovative mining method. This paper provides a detailed description of how this method achieves the cancellation of pillar...
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Analysis of spectrum characteristics for multi-attribute seismic data from shaking table test of tunnel underpass hauling sliding surface
July 2025
The objective of this research is to analyze the deformation characteristics in space and the dynamic reaction of tunnel underpass hauling sliding surfaces when subjected to potential seismic activities....
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Experimental Study on the Mechanical Properties of 1G-NPR Cable Anchored Rock with AE-DIC Method
Available online 21 June 2025
The study investigates the mechanical properties of 1G-NPR (Negative Poisson’s Ratio) cable-anchored sandstone under uniaxial compression, employing Acoustic Emission (AE) and Digital Image Correlation...
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Deep Learning-Powered Rock Mass Classification: Predicting RMR from Q-System Parameters with High Accuracy
Available online 20 June 2025
Reliable stability assessment requires an objective and precise assessment of the rock mass quality classification. A deep learning model is developed to create a tool that can provide a rapid and precise...
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A logistic-based constitutive model for rocks under uniaxial compression considering the initial damage recovery characteristics
Available online 19 June 2025
The damage process is categorized into two phases from the perspective of crack evolution, damage recovery induced by the closure of primary cracks and damage growth induced by the propagation of new...
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A numerical and intelligent driven method for the drainage arrangement around a deep-buried tunnel in fractured rocks
Available online 19 June 2025
The rational arrangement of the tunnel drainage system is crucial for the distribution of pore pressure around the tunnel lining, especially for deep-buried tunnels with high groundwater levels. This...
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Prediction of blast-induced ground vibration in dolomitic marble quarry using Z-number information and fuzzy cognitive map based neural network models
Available online 18 June 2025
Blast-induced ground vibration (BIGV) is one of the detrimental environmental consequences of blasting operations in mining and civil engineering. Hence, accurate prediction of BIGV is highly imperative....
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Research on the effect of surface retaining elements on the dynamic load resistance of bolted rock
Available online 8 June 2025
The failure of support systems in deep coal mine roadways is a critical issue that hinders the development of deep coal resources. As a critical support element, the surface retaining element (SRE)...
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Cemented soil-soil interface shear strength evaluation I: Size effect and characteristic experimental size quantization
Available online 6 June 2025
The shear strength of cemented soil-soil interface is affected by the size effect of experimental sample. With the advancing density of urban underground space and the wide application of grouting reinforcement...
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The Influence of Faults on Adjacent Rock Mechanical Behavior and Acoustic Emission Characteristics: A Case Study of the Xianshuihe Fault Zone
Available online 17 May 2025
Tensile strength is a crucial parameter for assessing rock stability and fracture characteristics, which play a significant role in the prediction and engineering design of geohazards. However, fault...
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Coupling effect of temperature and confining pressure on fracture toughness of transversely isotropic shale: Insights from a thermal-mechanical DEM model
Available online 12 May 2025
The coupling effect of temperature and confining pressure on fracture toughness is a critical issue in deep shale gas development that cannot be overlooked. Field and laboratory studies have shown that...
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Variable elastic anisotropy controls stress in shallow crown pillars
Available online 9 May 2025
As easily accessible natural resources become depleted, it is necessary to extract material from deeper levels and so mines may opt to develop a process of transition from open-pit to underground mining...
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Data-driven machine learning approaches for predicting the shear strength of rock joints
Available online 5 May 2025
Accurate prediction of the shear strength of rock joints is crucial for assessing the stability of civil and mining engineering projects. Traditional methods for determining the shear strength of rock...
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Enhancing production rates at El Teniente's black cave mine through optimizing HF hole distribution using discrete fracture network modeling and geostatistical simulation methods
April 2025
This study at the Esmeralda Mine, part of the El Teniente Division of CODELCO, investigates optimizing hydraulic fracturing (HF) holes’ spatial distribution to improve rock material production in one...
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Research on narrow coal pillar width optimization and surround rock control in Shiquan mine
April 2025
To address the issue of severe coal resource waste and substantial deformation of the surrounding rock caused by the retention of coal pillars for protective lanes during the excavation along the void...
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Prediction of rock fracture pressure in hydraulic fracturing with interpretable machine learning and mechanical specific energy theory
April 2025
Hydraulic fracturing stimulation technology is essential in the oil and gas industry. However, current techniques for predicting rock fracture pressure in hydraulic fracturing face significant challenges...
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Evolution of mechanical and rockburst parameters of gypsum-like rock under fatigue stress disturbance
April 2025
To investigate the deterioration of mechanical properties in engineering rock masses subjected to fatigue stress, this study conducted laboratory tests, theoretical analysis, and model building to analyze...
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A microscopic DEM investigation on fracture shearing characteristics of infilled grains with different geometrical shapes in rock discontinuities
April 2025
Rock discontinuities or faults often contain a layer of granular material. However, the evolutionary behavior (movement and breakage) of such infilled grains under shearing have not been comprehensively...
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Velocity effects on slip evolution of faults subjected to constant and cyclic normal stress derived from laboratory tests
April 2025
Understanding the slip-style evolution of tectonic faults is important for exploring the earthquake mechanisms. To reveal the fault slip characteristics under a complex stress state, we conducted a...
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Investigation on stress distribution and prestress loss model of prestressed anchor cables considering corrosion-induced debonding
April 2025
Corrosion can significantly impact the safety and stability of the entire structure by reducing the service life and load-bearing capacity of anchors. This study provides an in-depth examination of...
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Theoretical and numerical investigation of the effects of in-situ stresses and dual-borehole combinations in eccentric decoupled charge blasting
April 2025
Eccentric decoupled charge (EDC) blasting is a widely used technique for rock fragmentation and tunnel excavation, yet the underlying rock damage mechanisms, particularly in relation to in-situ stresses...
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Forecasting Maximum Magnitude of Fluid-Induced Earthquakes: Bridging Statistical Extrapolation and Physics-Based Forecasting
Available online 26 April 2025
The forecasing of maximum magnitude (Mmax) for fluid-induced seismicity is a critical challenge in risk management for geothermal energy development, unconventional hydrocarbon extraction, and wastewater...
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Definition and Classification of Rockburst
Available online 26 April 2025
The rockburst is a violent failure in rock during mining and tunneling operations. Since tunnel constructions for hydropower and transportation purposes and mining operations in deep rock masses have...
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The Phlogiston Theory of Rock Mass Classification: Philosophical and Mathematical Critique of Ordinal Data Usage
Available online 17 April 2025
The widespread use of rock mass classification systems in engineering practice relies on mathematical operations and assumptions that violate fundamental principles of measurement theory. This paper...
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