Theories and applications of FRACOD – A fracture mechanics approach to modern rock engineering problems
August 2025
Rock failure is often governed by the initiation, propagation, and coalescence of fractures, particularly in hard rocks where fracturing, rather than plastic deformation, is the dominant failure mechanism....
Infrared thermal image detection method of stressed sandstone fracture based on deep learning
Available online 26 July 2025
Under stress, multiple cracks in the localized damaged zones in mine rock masses will expand and connect, which can lead to the rock mass instability and failure. Rapid, accurate identification of cracks...
Calculation model of overburden pressure of large diameter mounded storage tanks under different overburden slope angles
Available online 21 July 2025
Hazardous chemical horizontal tanks are widely used owing to their reliable storage capacity. To guarantee the safety and concealment of horizontal tanks, overburden is used to achieve effective isolation...
An integrated intelligent long-term device for the borehole monitoring of deformation and evolution of fractures in rock masses
Available online 9 July 2025
To solve the problems of complex operation, low efficiency, and lagging information collection in rock mass disaster monitoring, an integrated monitoring device is developed, which can simultaneously...
Multidimensional thorough perception system for surrounding rock disasters in underground engineering and its application
Available online 2 July 2025
The excavation process in large underground engineering projects faces the challenges of various disasters, and safety monitoring is an important method for addressing these challenges. To ensure the...
Comparison of rock spalling evaluation in underground openings: Uncertainty-based mathematical model and empirical method
May 2025
Rock spalling, considered an underground geological hazard that usually occurs after excavation in hard rock, threatens the safety of on-site operators and equipment. This study used an objective uncertainty-based...
Mechanics and nonlinear crack evolution of fractured sandstone under triaxial stress
May 2025
The mechanical behavior of fractured rock mass is significantly different from that of intact rock mass, and it is of great significance to study the mechanical response and damage law of crack rock...
Mitigating shale swelling in deep drilling: Novel natural deep eutectic solvent vs hybrid additives system
May 2025
Shale instability during shale drilling poses significant challenges that require effective additives to control swelling and enhance water-based drilling fluids. This study investigates the effectiveness...
Process system modelling of gas injection characteristics for underground CAES
May 2025
Renewable energies including solar and wind are intermittent, causing difficulty in connection to conventional power grids due to instability of output duty. Compressed air energy storage (CAES) in...
Numerical study on failure and instability of slender rock columns: Synergistic effects of lateral pressure, height-to-width ratio, and material strength
May 2025
Columnar jointed rock mass (CJRM) combines and mosaic of slender rock columns with different height-to-width (H/W) ratios. Revealing the correlation of the mechanical behavior of individual rock columns...
Analysis of tunnel water inrush accidents induced by stratum collapse models
May 2025
As tunnel engineering progresses, the complexity of geological strata and the presence of water bodies beneath tunnels have exacerbated the risk of water inrush incidents. Mutation theory is utilized...
Practice and validation of inversion of seismic source localisation based on genetic algorithm
February 2025
As the mining depth of coal resources increases, resulting in frequent mine earthquakes during mining. In this study, the rolling window ratio method is firstly chosen as the seismic phase recognition...
Role of feature importance in geomechanical classification of rock slopes
February 2025
Rock slope along motorways in the Higher Himalayan terrains are prone to various types of failure. In order to effectively mitigate these failures, a thorough assessment of rock mass behavior is entailed....
Metaheuristic multi-objective optimization-based microseismic source location approach with anisotropic P-wave velocity field
February 2025
Rockburst is a common dynamic geological hazard, frequently occurring in underground engineering (e.g., TBM tunnelling and deep mining). In order to achieve rockburst monitoring and warning, the microseismic...
Partly clumped-particles for elastic mismatch of minerals and joint planes for schist: A numerical simulation of DanBa quartz mica schist
February 2025
A partly clumped-particles combined with joint planes model was developed to simulate the microstructure of quartz mica schist. It considers grain-scale heterogeneity including microgeometry heterogeneity...
Quantifying the mechanical properties of coal matrix and cleat using digital image correlation method
February 2025
Coal mass consists of matrices and cleats, which exhibits significant difference in mechanical properties, such as uniaxial compressive strength and Young's modulus. Understanding this difference is...
Thermal performance of CO2 energy piles: A comparison with water
February 2025
Geothermal energy piles (GEPs) buried into the deep underground are typically integrated with the circulating pipe inside the piles, where the most common heat transfer fluid (HTF) is water. Liquified...
Crustal structure and shallow-focus seismic activities in the Sumatra subduction zone: Constrains from receiver function inversion
September 2024
The Sumatra subduction zone is located in the southwest of the Suna plate, between the Euro-Asia Plate and Indo-Austrilian Plates. With the obliquely subducting of the Indo-Austrilian Plate toward the...
Location method of ill-conditioned microseismic source and its engineering application
September 2024
Microseismic event location is one of the core parameters in microseismic monitoring, and the accuracy of localization will directly affect the effectiveness of engineering applications. However, limited...
A microscopic approach to brittle creep and time-dependent fracturing of rocks based on stress corrosion model
September 2024
A brittle creep and time-dependent fracturing process model of rock is established by incorporating the stress corrosion model into discrete element method to analyze the creep behavior and microcrack...
Advances in stability analysis and optimization design of large underground caverns under high geostress condition
September 2024
The demand for underground space and sustainable energy has driven the need for underground structures. Large underground caverns, being an underground structure carrier, offers a feasible solution....