Cross-scale friction analysis of rocks: Influence of mineral properties and interactions
Available online 13 September 2025
Macroscale instability of frictional behavior of rock arises from the heterogeneous distribution and dynamic accumulation effects of friction force between the soft- and hard- phase mineral grains....
Investigation of nanoindentation for evaluating the cyclic loading-unloading mechanical properties of heterogeneous coal
Available online 7 September 2025
Exploring the meso-mechanical response of heterogeneous coal is crucial for understanding its macro mechanical behavior in coal mining, CO2 storage, and coal bed methane production. However, a key gap...
Investigation of shale fracture behavior with different bedding properties based on discrete element method
Available online 6 September 2025
The interaction between cemented laminae and induced fractures plays a critical role in hydraulic fracture propagation within laminated shale reservoirs. By combining mode-I fracture mechanics experiment...
The frictional sliding properties of antigorite gouge under hydrothermal conditions
Available online 1 September 2025
As a weak mineral overlying subduction-zone faults, the widespread presence of antigorite can markedly affect subduction-zone dynamics. To better understand the mechanical properties of antigorite-bearing...
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...
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...
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...
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...
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....
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...
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...
Forecasting maximum magnitude of fluid-induced earthquakes: Bridging statistical extrapolation and physics-based forecasting
July 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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
Dynamic evolution of reservoir permeability and deformation in geothermal battery energy storage using abandoned mines
January 2025
Retasking existing subsurface abandoned mines as infrastructure for solar energy storage could be a feasible approach in overcoming the low thermal gradient present in shallow formations. In this work,...
Data-driven machine learning approaches for simultaneous prediction of peak particle velocity and frequency induced by rock blasting in mining
January 2025
The vibrations generated by rock blasting are a serious and hazardous outcome of these activities, causing harmful effects on the surrounding environment as well as the nearby residents. Both the local...
Analysis of tunnel lining internal forces under the influence of S and P-waves: An analytical solution and quasi-static numerical method
January 2025
This paper employs analytical and pseudo-static approaches to analyze the tunnel response under the compression (P) and shear (S) waves. In the first step, Einstein and Schwartz’s method is revised...