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Numerical simulation and experimental studies of rock-breaking methods for pre-grooving-assisted disc cutter
To improve the efficiency of tunnel boring machines (TBMs) in hard rock environment, the technology of pre-grooving-assisted disc cutters for rock...
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Experimental and Numerical Investigations on Rock Breaking of TBM Disc Cutter Based on a Novel Platform with Rotational Cutting
Understanding the force state of disc cutters in advance is of great practical significance to predict the dynamic response during mechanical...
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Study on the Mechanism of Rock Damage Under Microwave and Laser Irradiation Through Multiscale and Multiphysics Numerical Modelling
High-energy microwaves and lasers are applied to assist mechanical rock breaking due to their advantages in rapid thermal damage to hard rocks....
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The use of stochastic geomechanical properties of potential failure plane and fracture networks for realistic modelling of rock mass behaviour: A synthetic rock mass modelling (SRM) study
Almost all conventional discrete fracture network (DFN) models embedded within rock masses are discontinuities with zero tensile strength and mean...
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Evaluation of Slow-Releasing Energy Material (SREMA) Injection for In-Situ Rock Breaking Under Uniaxial and Triaxial Loading: An Experimental Study
Permeability enhancement of impervious rock formations is crucial for the exploitation of ore deposits, which are uneconomic using conventional...
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2D Phase-Field Modelling of Hydraulic Fracturing Affected by Cemented Natural Fractures Embedded in Saturated Poroelastic Rocks
The interaction between a propagating hydraulic fracture (HF) and a pre-existing natural fracture (NF) embedded in saturated poroelastic rock...
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Determination of cutting force and failure surface using a blunt cutter under confining condition: analytical modelling
Digital drilling is a common method for detecting the deep rock mass information, but the cutter wear leads to an irregular shape of the rock chip...
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Response Mechanism of Dynamic Tensile Mechanics in Granite Under Microwave Irradiation: Insights from Experiments and Simulations
Microwave-assisted mechanical rock-breaking can effectively solve the problems of low efficiency of hard rock-breaking and severe wear and tear of...
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The Rock Fragmentation Mechanism in Rock Cutting with PDC Cutter Under Hydrostatic Pressures
Drilling into deep formation characterized by high formation and hydrostatic pressures often brings great challenges to oil and gas industry and the...
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Statistical modelling of the blast design parameters influencing ground vibrations in a limestone quarry using design-expert
Mining and construction sites experience ecological consequences, such as ground vibrations and fly rock, owing to blasting activities. Apart from...
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Insights into the Effect of Water Content on Mudstone Fragmentation and Cutter Force during TBM Cutter Indentation via the Combined Finite-Discrete Element Method
In the Tunnel Boring Machines (TBMs) construction of soft rock tunnels, adverse geological conditions, such as water-rich and wet strata are often...
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Influence of Block form on the Shear Behaviour of Soft Soil–Rock Mixtures by 3D Block Modelling Approaches
The influence of block forms on the shear behaviour of soil–rock mixtures with soft blocks (soft S–RMs) can be efficiently investigated by the...
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Impact of Particle Shape on Crushing Behaviour of Rock Particles Using X-ray Micro-CT Testing and DEM Modelling
Particle crushing is a fundamental issue in the analysis of the deformation and failure behaviour of rockfill materials. The impact of morphology on...
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Rock Chip Properties of TBM Penetration in Jointed Rock Masses Based on an Improved DICE2D Simulation
In most cases, TBM tunnels are constructed in jointed rock masses. Rock chip properties can be used to interpret the response of the rock mass to the...
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Development of a universal landslide hazard potential model for mudrock slopes: fuzzy logic and molecular-level modelling approaches
The reduction in shear strength due to moisture-induced swelling and the subsequent slaking of mudrocks is one of the leading causes of landslide...
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Mechanism of subsidence-buckling and instability of slopes in thick-layered rigid rock under mining
The deformation and failure of mining slopes in layered rocks predominantly result from shear landslides. However, the instability process of the...
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Geostatistical Modelling and Vertical Effect Analysis of a Ferruginous East Coast Bauxite Deposit, India
AbstractExploration and mining success of a bauxite deposit rely greatly on an adequate modelling of spatial characteristics of constituent...
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Modelling Rock Fracture Induced By Hydraulic Pulses
Soft cyclic hydraulic fracturing has become an effective technology used in subsurface energy extraction which utilises cyclic hydraulic flow...
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Modelling the effects of ground vibrations on the surface due to blasting in underground coal mines
Explosives are still the cheapest source of breaking rock in the mining or tunnelling operation and can be applied in varying geological conditions....
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Modelling of Rock Cutting with Asymmetrical Disc Tool Using Discrete-Element Method (DEM)
The use of asymmetrical disc tools for the mining of hard and very hard rocks is a promising direction for develo** mechanical mining methods. A...
