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A soft particle model for investigating on mode I fracture behaviors of layered slate following the Voronoi tessellation construction
It is well-known that the discrete element method (DEM) based on circular particle shape may not be fully suitable for modeling geotechnical...
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Modeling of Hydro-mechanical Coupled Fracture Propagation in Quasi-brittle Rocks Using a Variational Phase-Field Method
This paper presents a new variational phase-field model aimed at investigating the fully coupled hydro-mechanical-damage processes in saturated...
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Numerical investigation on the effect of bedding plane properties on mode I fracture characteristics of mudstone with FEM-CZM method
The bedding plane properties of rock have a strong effect on the stability control of geotechnical engineering. To study the influence of bedding...
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Numerical study of the mechanical behaviour of unwelded block in matrix rocks under direct shearing
Block in matrix rocks (bimrocks) are known as a challenging material for engineering geologists due to their complex composition and associated...
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Limit equilibrium theory-based investigation on the critical tension crack depth in loess slope
The presence of tensile cracks on loess slope top surface is of major concern to researchers and engineers, as this phenomenon is typically...
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Seismic damage evaluation of historical masonry towers through numerical model
This study assessed the seismic damage to historical masonry towers using a three-dimensional finite element (FE) numerical model. The FE model was...
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Dynamic Characterization and Constitutive Model for Impact Simulation of Sandstone
Sandstone impact is a common occurrence that can have critical implications, especially in the transportation sector. In order to enhance the ability...
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Study on Parallel Bond and Smooth Joint Dual Model Parameter Calibration of Mechanical Properties of Shale Under Pressure
Employing a rational numerical model to characterize the compressive mechanical properties of shale is highly significant for large-scale...
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A Non-local XFEM-Based Methodology for Modeling Mixed-mode Fracturing of Anisotropic Rocks
One of the complexities of rock engineering is predicting the fracture, especially in cases where the rock material exhibits anisotropy in both...
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Multi-scale analysis of mudstone freeze–thaw damage mechanism
Freeze–thaw (F–T) cycle-induced mechanical deterioration of mudstone layers in slopes is a critical challenge for the stability of slopes located in...
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Model test study on the deformation and stability of rainfall-induced expansive soil slope with weak interlayer
Rainfall infiltration softens the filling material of deep cracks in expansive soil, significantly reducing its mechanical strength and causing slope...
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Intelligent recognition of shale fracture network images based on transfer learning
This study presents an intelligent identification method for shale crack networks based on transfer learning. Focuses on investigating the main...
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Study on Tamped Spherical Detonation-Induced Dynamic Responses of Rock and PMMA Through Mini-chemical Explosion Tests and a Four-Dimensional Lattice Spring Model
The dynamic responses of both underground structures and their surrounding geoformations induced by tamped spherical detonation have been recognised...
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A Meso/Macroscale Theoretical Model for Investigating the Large Deformation of Soft Rock Tunnels Considering Creep and Anisotropic Effects
AbstractThe rheological deformation of soft rock resulting from tunnel excavation can lead to significant construction and safety challenges. In this...
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Geo-mechanical evaluation of a proposed gas storage in aquifer anticline trap with deep fault
This paper investigates the feasibility of a proposed underground gas storage facility. Based on S gas storage, a large-scale 2D hydromechanical...
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XFEM modeling of the effect of in-situ stresses on hydraulic fracture characteristics and comparison with KGD and PKN models
Increasing the permeability of hydrocarbon reservoirs by creating artificial cracks that are induced by injection of fluids under high pressure is...
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Exploring Heterogeneity Consideration in Bonded Block Analyses of Laboratory and In Situ Tests on Opalinus Clay
The impact of heterogeneity on the failure of rocks has prompted researchers to perform numerical investigations. Heterogeneity can be incorporated...
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Phase field model for hydraulic fracture propagation in porous medium and numerical simulation analysis of hydraulic fracture propagation in a layered reservoir
This study proposes a hydraulic fracture extension model based on the phase field method. In this approach, the rock poroelasticity parameter (Biot’s...
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The Analysis of the Fracturing Mechanism and Brittleness Characteristics of Anisotropic Shale Based on Finite-Discrete Element Method
Shale anisotropy characteristics have great effects on the mechanical behaviour of the rock. Understanding shale anisotropic behaviour is one of the...
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Rapid identification of landslide, collapse and crack based on low-altitude remote sensing image of UAV
Landslides, collapses and cracks are the main types of geological hazards, which threaten the safety of human life and property at all times. In...