Effects of loading rates and mine water immersion on the mechanical characteristics of coal under Brazilian test conditions
April 2026
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...
Integration of image and dipole sonic logs for identification of natural fractures and stress-induced anisotropy in Asmari reservoir (A case study, SW Iran)
April 2026
Borehole sonic dispersion analysis is a technique that provides valuable insights into the realm of borehole sonic interpretation. This research involves an analysis of shear-wave anisotropy and ultrasonic...
Recent advancements for cement grout diffusion mechanisms within rock fractures
April 2026
Understanding cement grout diffusion in rock fractures is crucial for rock engineering, yet grouting faces significant challenges due to fracture network heterogeneity and grout's complex non-Newtonian...
Integrative solution of stress evolution in overburden roof strata during the coal seam mining by application of complex variable functions methodology
April 2026
Large-scale roof collapse is a major dynamic hazard threatening the safe coal mine operations. Understanding the deformation and failure characteristics of overburden rock strata, as well as deciphering...
Fast marching method-based bent-ray tracing for three-dimensional velocity imaging in mines
April 2026
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...
Thermo-mechanical coupling in cracked granite: Influence of crack inclination on fracture behavior and temperature evolution
April 2026
Crack inclination angle (α) plays a critical role in the dynamic failure and thermo-mechanical coupling of granite, which is vital for rockburst monitoring and prevention. In this study, granite specimens...
A method for evaluating the stability of roadway surrounding rock based on a modified damage evolution characteristic model considering rock mass residual strength and 3D DEM
April 2026
Repetitive mining in multi-seam conditions induces cumulative damage to surrounding rock, significantly increasing the risk of roadway instability. Taking the roadway in the extra-thick coal seam fully...
From lab forces to field lifespans: How rock and operating parameters govern TBM disc cutter wear
April 2026
Tunnel boring machines (TBMs) are considered a reliable and fast method for boring long tunnels. However, the wear and failure of disc cutters in hard rock influences the efficiency of equipment, ultimate...
Variable elastic anisotropy controls stress in shallow crown pillars
January 2026
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...
Research on the effect of surface retaining elements on the dynamic load resistance of bolted rock
January 2026
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)...
An improved dual-strength reduction method of slope stability analysis using Hill Climbing Algorithm
January 2026
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...
Tensile failure and ductile-to-brittle transition of sandstone under three-dimensional seepage pressure
January 2026
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...
A novel damage model on the acoustic emission characteristics of weakly cemented soft rock under alkaline water-enriched environment
January 2026
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,...
Computational large deformation geomechanics with a focus on the periporomechanics paradigm
January 2026
This article presents a state-of-the-art review of computational large deformation geomechanics, focusing on the recently developed periporomechanics (PPM) paradigm. PPM is a nonlocal reformulation...
Influence of bedding orientation on shale damage evolution: A combined in-situ micro-CT and digital volume correlation investigation
January 2026
The bedding structure of shale significantly influences its mechanical anisotropy. However, the meso-scale anisotropic control mechanism of bedding on shale damage evolution remains insufficiently understood....
Development characteristics and prediction methods of the “three zones” in overlying strata under the 110 mining method
January 2026
The 110 mining method is a novel coal mining approach that is environmentally friendly. To investigate the movement laws of the overburden strata under the mining conditions of this method, this study...
A multi-frequency ultrasonic amplitude attenuation method for identifying damage of rock
January 2026
High-temperature damage in rocks significantly affects ultrasonic amplitude attenuation. Inverting rock damage through amplitude attenuation offers a rapid, non-destructive, and convenient detection...
Control of rock burst during deep tunnel blasting excavation based on energy release process optimizing
January 2026
Blasting is widely used in hard rock tunnel excavation but often deteriorates the mechanical properties of the rock mass, forming a disturbance zone associated with energy evolution in the surrounding...
A Unified Constitutive Model for the Static Tensile Behavior of Constant-Resistance Anchor Bolts in Deep Underground Roadways
Available online 29 December 2025
Constant-resistance and large-deformation (CRLD) anchor bolts have evolved into two generations comprising six structural models (1G and 2G CRLD), and have been widely used in underground engineering...
Role of Pre-existing Microcracks and Spatial Characteristics in Controlling Rock Fracture under Indentation: A Grain-Based DEM Study
Available online 27 December 2025
Achieving efficient and controlled rock fracture remains a core challenge in deep energy development, critical mineral extraction, and next-generation underground infrastructure. In brittle rocks, macroscopic...
Mechanical Performance and Environmental Benefits of Ternary Blends of Phosphogypsum, Calcium Carbide Residue, and Rock Demolition Waste for Use in Road Subgrade
Available online 27 December 2025
Global collection of rock demolition waste (DW) is a significant environmental concern due to their high volumes, limited disposal options, and risk of contaminant leaching. An integrated approach of...
Water-Sealing Performance of Underground Oil Storages Considering the Capillary Effect
Available online 27 December 2025
Water-sealing effect of underground oil storages is primarily achieved by groundwater filling the fractures. This study proposes a set of water-sealing criteria applicable to both single cavern and...
An energy-based simulation method for stratum damage characterization in underground coal mining
Available online 23 December 2025
This paper presents an energy dissipation-based simulation method for quantitatively analyzing stratum damage in underground coal mining, essential for safe operations and panel parameterization. Grounded...
Nonlinear Mechanical Analytical Model and Stochastic Analysis Method for Tunnel Longitudinal Performance Subjected to Fault Movement
Available online 19 December 2025
Clarifying the mechanisms by which soil variability influence the longitudinal response of tunnels is critical for accurately assessing the performance of tunnels traversing fault zones. However, the...
Large-scale mine experiments on hydraulic fracture propagation mechanism in fault-controlled reservoirs
Available online 19 December 2025
This study utilizes pioneering large-scale true triaxial experiments to investigate the hydraulic fracture propagation mechanisms in deep fault-controlled carbonate reservoirs. Synthetic specimens (2.0...