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Dual-scale 3DEC-GBM Discrete Element Simulation On Mechanical Behavior and Anisotropic Fracture Evolution Mechanism of Rock Induced by True Three-dimensional Stress
The excavation of deep underground engineering causes a sophisticated three-dimensional stress redistribution in the surrounding rock, leading to the...
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A 3DEC Numerical Analysis of the Interaction Between an Uneven Rock Surface and Shotcrete Lining
Rock tunnels excavated using drilling and blasting technique in jointed rock masses often have a very uneven and rough excavation surface. Experience...
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Three-Dimensional Discrete Element Analysis of Jointed Rock Slope Stability Based on the Universal Elliptical Disc Model
A three-dimensional representation of the random distribution of fractures in rock masses, known as the discrete fracture network (DFN), is widely...
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Fracture analysis at different scales, a crucial technique for optimizing site selection and quarrying of natural stone, Lashotor limestone quarry, Iran
The Lashotor, as one of the most famous Iranian stone quarries, is located in the Isfahan province. The main sedimentary sequence exposed in this...
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Failure mechanism and safety control technology of a composite strata roadway in deep and soft rock masses: a case study
The construction of coal mines often encounters deep composite soft rock roadways, which is characterized by significant deformation and poor...
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A New Analytical Solution for Calculating Rock Block Volume
The study of rock slope stability and evolution suffers from many uncertainty factors related to block size and shape, and slope morphology. While...
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Stochastic Rock Slope Stability Analysis: Open Pit Case Study with Adjacent Block Caving
In last decades, numerical modelling become a useful tool for solving complex geoengineering problems such as slope stability. On the other hand,...
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Numerical analysis of influencing factors of steeply inclined coal face damage and instability
In the process of longwall mining along the strike with steeply inclined coal seam, the coal face instability spalling seriously affects its safe and...
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Advancements in rock block volume calculation by analytical method for geological engineering applications
The shape, the volume, and the distribution of the rock blocks represent important geomechanical factors of a rock mass behavior in engineering...
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An Investigation on Optimal and Safe Design of Highwall Mining Panel Beneath Jointed Overburden Strata Using Discrete Element Modelling
When the mine boundary is reached during surface mining operations, and conventional opencast mining becomes impractical to proceed further, a...
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Some considerations on the role of joint spacing in rock slope stability analyses using a 3D discrete element approach
Stability assessment of potential wedge failures in rock slopes is usually carried out based on stereographic projection techniques and limit...
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The mechanism and countermeasures of inclined well wellbore instability in Dibei deep coal seam
The wellbore instability of the deep coal seam has always been a difficult problem limiting drilling engineering in Dibei area of Tarim basin, China....
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Seismic behavior analysis of soft and hard interbedded rock slope considering vibration deterioration of discontinuities at the interface between different rock types in meizoseismal area—a case study
The vibration deterioration of discontinuities with different joint wall material (DDJM) plays a vital role in the seismic behavior of soft and hard...
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Numerical study on tunnel damage subject to blast loads in jointed rock masses
Drill and blast method is an accepted technique of tunnel excavation but it often causes over-break or even threatens the stability of the...
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Fractal characteristics of mining-induced overburden fracture development during fully mechanized coal mining
In the process of coal mining, the residual goaf will destroy the stress balance state of the overlying strata, which will result in a large number...
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Control of structural damage on the rock mass characteristics and its influence on the rock slope stability along National Highway-07, Garhwal Himalaya, India: an ensemble of discrete fracture network (DFN) and distinct element method (DEM)
The existing structural discontinuities such as faults, joints and cleavages in rock slopes control the rock mass properties. The presence of...
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Evolution of mining-induced fractured zone height above a mined panel in longwall coal mining
The accurate determination of the height of a fractured zone is vital in preventing water inrush and reducing the risk of disasters. However,...
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Angle Shear Testing of 15.2 mm Seven Wire Cable Bolt
This paper focuses on the experimental study of shear testing of 15.2 mm, 25 t capacity seven wire cables at zero, 30° and 45° angles using two...
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Roof cutting mechanism and surrounding rock control of small pillar along-gob roadway driving in super high coal seam
In view of the low recovery rate associated with wide coal pillar and the strong strata behavior associated with small coal pillar, the roof cutting...
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Couple Effect of Joint Pore Pressure and Joint Orientations on Rock Strength Based on Numerical Modeling
The joint pore pressure inside rock mass significantly affects groundwater bursting. To investigate the couple effect of joint pore pressure and...
