Exploring machine learning techniques for open stope stability prediction: A comparative study and feature importance analysis
July 2025
The stability of underground excavations is essential for ensuring the safety of mining operations. Classical stability assessment methods, established in empirical formulas and rock mass classification...
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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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Impact mechanism of fabric changes in different classes of redbeds under static water on their degradation of physical properties
July 2025
Deterioration of the physical properties of redbeds is one of the leading causes of geological disasters, engineering problems, and ecological damage. Fabric changes are internal factors leading to...
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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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The phlogiston theory of rock mass classification: Philosophical and mathematical critique of ordinal data usage
July 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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Elastoplastic analysis of deep circular tunnels affected by blasting damage and hydraulic flow
July 2025
In drill and blast method, due to uncontrolled blasting operations, the blast-induced damaged zone (BIDZ) is formed, whose mechanical and hydraulic properties are altered. This zone affects the behavior...
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Definition and classification of rockburst
July 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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Data-driven machine learning approaches for predicting the shear strength of rock joints
July 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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A novel damage model on the acoustic emission characteristics of weakly cemented soft rock under alkaline water-enriched environment
Available online 18 July 2025
Mechanical properties of weakly cemented soft rock (WCSR) under alkaline water-enriched environment are vital to the stability of surrounding rock. The specimens were soaked in various chemical solutions,...
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Tensile Failure and Ductile-to-Brittle Transition of Sandstone under Three-Dimensional Seepage Pressure
Available online 17 July 2025
After reservoir impoundment, fractures and pores in the rock mass serve as important pathways for seepage, and the resulting fluid pressure can easily trigger engineering issues such as slope instability...
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Effects of loading rates and mine water immersion on the mechanical characteristics of coal under Brazilian test conditions
Available online 17 July 2025
The mechanical properties of coal pillars are crucial for evaluating the stability of underground water reservoirs in coal mines. This article examines the fracture mechanical behavior of coal in response...
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An improved dual-strength reduction strategy of slope stability analysis using Hill Climbing Algorithm
Available online 10 July 2025
How to determine reduction strategy between cohesion (c) and internal friction angle (ϕ) is crucial for slope stability evaluation using the dual-strength reduction method (DSRM). Given that the slope...
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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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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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