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Optimisation of the swinging jaw design for a single toggle jaw crusher using finite element analysis
This study reports on the design optimisation of the swinging jaw crusher plate. Jaw crusher machines are used in the mining and construction...
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Estimating mode II fracture energy of rocks using the scratch test and phase field modeling
This study introduced a mode II fracture energy approximation based on scratch test results and a phase field modeling approach. Using a...
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Deformable Special-Shaped Projectile Impacting Basalt Target: Experiments and Analysis
Using kinetic energy to crush high-strength rocks and then collect particle samples has attracted much attention in the Near-Earth Asteroid (NEA)...
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Single-particle crushing strength under different relative humidity conditions
This paper presents a fundamental study on the effect of the relative humidity on the rockfill crushing strength. This aspect plays an important role...
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Investigation of Multiscale Failure Mechanism of Red Bed Soft Rock using Grain-Based Finite-Discrete Element Method Combined with X-Ray Micro-computerized Tomography
The mechanical properties and failure mechanisms of geomaterials are greatly affected by their heterogeneity. As a special complex rock medium, the...
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Numerical simulation on progressive failure of yielding support material for squeezing tunnel
Yielding support is effective in controlling excessive deformation of soft rock in squeezing tunnel engineering, and the developed polyethylene (PE)...
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Dynamic Compressive Mechanical Properties of Rock-like Material with Bedding Planes Subject to Different Impact Loads
To explore the dynamic mechanical response of layered rocks under different impact pressures, dynamic impact experiments were performed on five sets...
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Propagation Characteristics of Stress Waves and Failure Modes of Gray Sandstone with a Gypsum-Filled Joint Under Impact Load
To investigate the effects of the impact velocity and joint dip angle on stress wave propagation and fracture evolution of rock masses, dynamic...
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Failure mechanism and treatment of mine landslide with gently-inclined weak interlayer: a case study of Laoyingzui landslide in Emei, Sichuan, China
The landslide of mine is of great harm and wide influence, which can easily cause huge economic losses and endanger the life safety of workers....
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Numerical analysis of the influence of dissolution pore structure on mechanical behavior of rock mass
Dissolution pores have a notable impact on the mechanical behavior of rock masses. Understanding the mechanisms by which dissolution pores influence...
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Fracture evolution of transversely isotropic rocks with a pre-existing flaw under compression tests based on moment tensor analysis
A numerical approach based on the particle discrete element theory is adopted to study the fracture evolution of transversely isotropic rocks with a...
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Assessing the range of blasting-induced cracks in the surrounding rock of deeply buried tunnels based on the unified strength theory
Blasting-induced cracks in the rock surrounding deeply buried tunnels can result in water gushing and rock mass collapse, posing significant safety...
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Multiscale modeling of continuous crushing of granular media: the role of grain microstructure
Natural granular materials such as sands often possess complex microstructural features including cleavage and minerals interfaces. Those features...
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Simulation investigation of mechanical and failure characteristics of jointed rock with different shapes of joint asperities under compression loading
With the increase in the number of rock engineering projects, it has been recognized that the influence of joints on compressive damage of rock mass...
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Enhanced solid element model with embedded strong discontinuity for representation of mesoscale quasi-brittle failure
This article presents a novel two-dimensional quadrilateral solid finite element model, enhanced by incompatible modes and embedded strong...
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Numerical simulation of dynamic fracture properties of rocks under different static stress conditions
When underground cavities are subjected to explosive stress waves, a uniquely damaged zone may appear due to the combined effect of dynamic loading...
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Investigation on Pore-fracture of Coal and Its Influence Mechanism on Uniaxial Compression Failure Behavior
Pore-fracture is an important component of coal, affecting the uniaxial compression failure behavior. However, it is difficult to effectively...
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The mechanism of crack propagation under dynamic loading stress at different rates
The generation and propagation of cracks are influenced by dynamic loading stresses induced by different fracturing methods. In order to investigate...
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Failure behavior and energy evolution characteristics of deep roadway sandstone under different microwave irradiation modes
Efficient breaking of hard rock and prevention and control of rock burst disasters are two key concerns for construction in deep areas with high...
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Wetting deformation characteristics of soil–rock mixture considering the water-disintegration of red stratum soft rock
The red stratum soft rock, contained extensively in the deep soil–rock mixture (SRM) backfill area of southwest China, exhibits significant...
