Experimental study on the mechanical properties of 1G-NPR cable anchored rock with AE-DIC method
October 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...
Experimental investigation on fatigue mechanical behavior and energy evolution characteristic of fine-grained marble under multilevel constant-amplitude cyclic loading
Available online 31 October 2025
This study systematically investigates the mechanical behavior and energy evolution mechanisms of marble under multilevel constant-amplitude cyclic loading through triaxial tests conducted at various...
Development of open TBM tunnelling performance prediction model based on Hydropower Classification (HC) system: A case study in Xinjiang
Available online 31 October 2025
There are many hydraulic engineering projects in China, and Tunnel Boring Machine(TBM) method plays an important role in construction of hydraulic tunnels. Predicting its tunnelling performance is crucial...
Experimental study and application of a new pillarless mining method with automatically formed roadway
Available online 29 October 2025
The traditional reserved pillar mining (RPM) method suffers from significant resource wastage, stress concentration in coal pillars, surface damage, and other issues. To address these problems, a new...
Research on Fracture Characteristics of Key Strata and Prevention of Mining-Induced Seismic Disasters in Kilometer-Deep Coal Mining
Available online 27 October 2025
Understanding the fracture characteristics of overlying key strata in goaf during coal mining and the mechanisms by which they induce seismic disasters is crucial for seismic disaster prevention and...
Fracture morphology reconstruction and propagation behavior analysis of zipper fracturing in clustered well platforms based on microseismic monitoring
Available online 27 October 2025
Zipper fracturing is widely used in shale gas development to enhance stimulation efficiency, but it presents challenges in characterizing hydraulic fracture networks due to stress interference among...
Fast Marching Method-Based Bent-ray Tracing for Three-Dimensional Velocity Imaging in Mines
Available online 25 October 2025
Three-dimensional (3D) seismic velocity imaging is crucial for understanding rock mass stress and structures in mining. Conventional straight-ray tomography suffers from ray-path mismatches with true...
A sustained failure mitigation method for roadways in coal pillar recovery working faces of deep mines: excavated pressure-relieving roadways and combined support technology
Available online 24 October 2025
Roadways in deep mining are strongly affected by high in-situ stress and mining-induced stress, exhibiting characteristics of sustained large deformation failure in surrounding rock control. Mere strengthening...
Three-dimensional coupled simulation study on the reactivation mechanism and stability of faults under different fluid injection rate schemes
Available online 24 October 2025
The injection rate of fluid is a key engineering factor affecting the stability and reactivation potential of faults, however, the mechanism of injection-induced fault reactivation under the effect...
Disturbance damage mechanism of fissured rock under true triaxial shearing with different amplitude
Available online 23 October 2025
Time-delay failure of surrounding rock is a common phenomenon in underground tunnel engineering, often triggered by the progressive failure of damaged rock under remote micro-dynamic cyclic loading...
Study on phase-Transition-Like characteristics and volume expansion model of weakly consolidated sandstone under triaxial cyclic loading and unloading
Available online 23 October 2025
In order to study the phase transformation characteristics and dilatation-related changes of weakly consolidated sandstones with different cementation degrees, the cyclic loading and unloading experiments...
Mechanical Properties and Microstructure Characteristics of Vacuum Sintered Lunar Simulant Using Nanoindentation
Available online 30 September 2025
To meet the requirements of lunar base construction and in-situ resource utilization (ISRU), this study applies multiple characterization techniques to examine the microstructure, mineral composition,...
Study on true triaxial stress-seepage law of sandstone under high temperature
Available online 17 September 2025
The environment of high temperature and high ground stress in the process of underground coal gasification and geothermal energy development will affect the seepage characteristics of rock strata. Studying...
Mechanical Behavior and Strength Model of Anchored Mortar-Rock Composite under Triaxial Compression
Available online 17 September 2025
Anchor-shotcrete support has been widely applied in underground rock mass engineering globally, where the anchoring of bolts plays a crucial role in stabilizing the mortar-rock interface. In this study,...
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...
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....
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...
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...