Experimental investigation on fatigue mechanical behavior and energy evolution characteristic of fine-grained marble under multilevel constant-amplitude cyclic loading
July 2026
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...
Three-dimensional coupled simulation study on the reactivation mechanism and stability of faults under different fluid injection rate schemes
July 2026
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...
TBM penetration rate estimation using Rock Mass Rating (RMR) and machine specifications
July 2026
Rock mass classification systems, such as the Rock Mass Rating (RMR), are widely used to estimate tunnel boring machine (TBM) performance because RMR is relatively easy to apply and the system accounts...
Cross-scale friction analysis of rocks: Influences of mineral properties and interactions
July 2026
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....
Study on true triaxial stress-seepage law of sandstone under high temperature
July 2026
The environments 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....
Engineering challenges of deep-buried tunneling in the Alps and Himalayas
July 2026
The Himalayas and Alps, both shaped by Tethys Suture Zone evolution, manifest fundamentally different mechanical features throughout their geological development. Over the past century, the Alps have...
Effect of the length-to-diameter ratio on rock failure behavior under one-dimensional coupled static–dynamic loading
Available online 30 July 2026
The length-to-diameter ratio (L/D ratio) effect is an important manifestation of the size effect in rock mechanics. Although this effect has been widely investigated under static and dynamic loading...
Grouting effects on permeability of fractured rock masses: Experimental findings and implications for seepage control
Available online 30 July 2026
Effective seepage control in fractured rock masses is critical for underground engineering safety. This study investigated the permeability evolution of fractured granite before and after cement grouting,...
Mineral-scale thermo-mechanical degradation of granite induced by laser irradiation: Insights from nanoindentation and accurate grain-based modeling
Available online 28 July 2026
Laser-assisted rock breaking is a promising technique for drilling, tunneling, and underground excavation. However, the thermo-mechanical damage mechanisms governing laser-induced rock weakening remain...
Investigation on Crack Propagation Behavior and Rock Fragmentation Mechanisms in Bench Contour Blasting with Double-base Propellant Charges
Available online 16 July 2026
Bench contour blasting is widely used in engineering construction to enhance excavation quality and minimize surrounding rock damage. However, traditional explosive charging often causes excessive overbreak...
Impact of Temperature and Pressure on the Effectiveness of MICP for Shale Fracture Sealing
Available online 16 July 2026
Microbially induced carbonate precipitation (MICP) has shown great potential for repairing fractures and mitigating leakage risks. Nevertheless, the effects of temperature and pressure remain insufficiently...
Meso-structure deterioration of redbeds soft rocks and its cross-scale disaster-causing mechanism
Available online 8 July 2026
The complex water-induced deterioration of redbeds soft rocks poses a critical challenge in cross-scale disaster characterization, which is pivotal for mitigating geological hazards. Conventional experimental...
Fluid-induced transition from precursor to lag-type critical slowing-down in shale failure
Available online 3 July 2026
Injection-induced seismicity during hydraulic fracturing of shale reservoirs poses a growing operational risk, yet the role of pore fluids in shaping failure precursors remains poorly resolved. This...
Investigating thermal effects on physical properties and mechanical behaviour of a dolomitic marble during complete triaxial compression at different scales
Available online 2 July 2026
High-temperature-induced thermal damage to rocks can significantly affect their physical properties and mechanical behaviour embedded at different depths due to microstructural changes. Although many...
Grain-based modeling of shear instability in rough granite joints: Coupling Shear Stress Drop and Acoustic Emission
Available online 29 June 2026
Understanding the transition of rough rock fractures from a stable sliding state to a dynamically unstable state is crucial for the assessment of geological hazards. However, the relationship between...
A fully coupled numerical model within two-dimensional disk DDA framework for simulating the interaction between negative Poisson's ratio material bolts and rock masses
Available online 27 June 2026
This paper established a fully coupled bolt numerical model within the framework of two-dimensional disk DDA (DDDA) to simulate the mechanical interaction between negative Poisson’s ratio (NPR) material...
Artificial Intelligence for Highway Geological Hazards Prediction and Prevention: Advances, Challenges and Future Directions
Available online 12 June 2026
Highways are critical transportation infrastructures that play a vital role in economic development and regional connectivity. However, frequent geological hazards pose significant threats to highway...
Damage and failure mechanism of pre-statically loaded rock under coupled impact disturbance and strain energy release
Available online 12 June 2026
Deep underground engineering often subjects surrounding rock to complex conditions involving high in-situ stress, accumulated strain energy, and dynamic disturbances from activities such as mining....
Thermal damage evolution and mechanical deterioration of granite under microwave irradiation-liquid nitrogen jet cycles
Available online 10 June 2026
Liquid nitrogen and microwave are emerging alternative methods for HDR reservoir fracturing, yet the combined application in rock fracture remains unclear. To investigate the combined effects, granite...
Kilometer-scale crustal stress inverted through diverse natural fractures - synthetic tests and real borehole applications
Available online 8 June 2026
Natural fractures in the Earth's crust provide important information on the stress field. However, stress inversion based on fracture characteristics remains challenging due to inherent data uncertainty...
Numerical study on the hydro-mechanical behaviour of swelling rocks in long-term floor stability
Available online 22 May 2026
Rock swelling induced by clay minerals causes volumetric expansion and triggers excessive floor heave, thereby compromising tunnel stability. Predicting long-term floor stability is challenging due...
Experimental and Systematic Prediction of Compaction Characteristics of Cement-Stabilized Mine Wastes
Available online 20 May 2026
This study investigates the reuse of mining waste tailings in geotechnical engineering as sustainable stabilizing materials when combined with cement. Two types of tailings—limestone and phosphate limestone—were...
Study on Optimization of Roadway Layout for Self-Formed Roadways Without Coal Pillars Based on the Mining Influence Mechanism in Close-Distance Coal Seams
Available online 19 May 2026
This study investigates the roadway layout optimization of self-formed roadways without coal pillars (SFRCP) in close-distance coal seams. By integrating theoretical analysis, numerical simulation,...
Identifying Acoustic Emission Precursors for Spalling in Rock Tunnels using a Scale-Model Test
Available online 12 May 2026
Rock spalling is a type of brittle instability that occurs during tunnel excavation. Spalling degrades the rock mass, reducing its load-bearing capacity and compromising tunnel safety. Identifying precursors...
Trends in Calibrated Built-In 2D and 3D Finite Element Models of Fully Grouted Rebar Rockbolts and CT-Bolts
Available online 9 May 2026
In this research, fully grouted rebar (FGR) rockbolts and CT-Bolts are modelled in pre-yield axial pull conditions using the industry-common Finite Element Method (FEM) programs RS2 and RS3 by Rocscience....
