From Lab Forces to Field Lifespans: How Rock and Operating Parameters Govern TBM Disc Cutter Wear
Available online 2 December 2025
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...
Shear cracking process and micromechanism of intermittent joint: Insights from true triaxial shear test and PFC3D-GBM simulation
Available online 29 November 2025
Previous direct shear tests and simulations of structural planes primarily addressed slopes and shallow underground engineering. However, in deep engineering, the structural planes of the surrounding...
Simultaneous Propagation of Multiple Hydraulic Fractures in Crystalline Rock: A Numerical Investigation Based on Coupled Fluid-Solid Discrete Element Framework
Available online 20 November 2025
The simultaneous multiple hydraulic fracturing treatment has been extensively employed in Enhanced geothermal systems (EGS) to increase the complexity and area of artificial fractures. However, the...
Locked segment of fault as earthquake barrier: Laboratory and field evidence of preseismic stress drop
Available online 15 November 2025
Natural fault systems exhibit significant geometric heterogeneity, where locked segments act as strong, unbroken regions that impede fault slip and influence seismic nucleation. This study integrates...
HYBRID XGBOOST - 3D FEA APPROACH FOR PREDICITNG BEARING CAPACITY OF RECTANGULAR FOUNDATIONS ON ROCK SLOPES
Available online 14 November 2025
This study investigates the bearing capacity of a sloping rock foundation beneath rectangular and, in particular, square footings. Additionally, the study proposes a novel hybrid machine learning approach,...
Effect of anisotropic tunnel large-deformation control based on a prestressed constant-resistance cable: Insights from 2D-Finite-discrete element and Finite element method simulation
Available online 8 November 2025
Prestressed constant-resistance large-deformation anchor cable has been proved to be an effective technology to control the large-deformation disaster of deep soft rock tunnel. However, there are few...
Cemented soil-soil interface shear strength evaluation Ⅱ: Roughness impact and quantitatively practical model based on RQD
Available online 5 November 2025
The shear characteristics of cemented soil-soil interface with varying roughness, resulting from different construction techniques, significantly affect the stability and safety of related engineering...
3D characterization of fracture evolution and energy release in granite under static expansive loading using DIC, AE, and CT
Available online 3 November 2025
This study investigates the 3D fracture evolution and energy release in granite blocks containing single and dual holes under static expansive loads induced by soundless cracking demolition agents....
Dynamic Crack Initiation in Holed and Jointed Rock Masses: A Maximum Energy Release Rate Criterion and Parametric Influences
Available online 1 November 2025
Focusing on the dynamic fracture characteristics of rock masses containing holes and joints, this study investigates the influence of joint geometric parameters on the crack initiation angle based on...
Coupling effect of temperature and confining pressure on fracture toughness of transversely isotropic shale: Insights from a thermal-mechanical DEM model
October 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...
The influence of faults on adjacent rock mechanical behavior and acoustic emission characteristics: A case study of the xianshuihe fault zone
October 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...
Cemented soil-soil interface shear strength evaluation I: Size effect and characteristic experimental size quantization
October 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...
Prediction of blast-induced ground vibration in dolomitic marble quarry using Z-number information and fuzzy cognitive map based neural network models
October 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....
A logistic-based constitutive model for rocks under uniaxial compression considering the initial damage recovery characteristics
October 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...
A numerical and intelligent driven method for the drainage arrangement around a deep-buried tunnel in fractured rocks
October 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...
Deep learning-powered rock mass classification: Predicting RMR from Q-system parameters with high accuracy
October 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...
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...
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...