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Progressive fragmentation of granular assemblies within rockslides: Insights from discrete-continuous numerical modeling
Rock fragmentation plays a critical role in rock avalanches, yet conventional approaches such as classical granular flow models or the bonded...
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Soft Computing Applications for Optimum Rock Fragmentation: An Advanced Overview
Rock fragmentation is an important phenomenon in mining engineering as its outcome determines the productivity of the entire mining process. Its...
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Fragmentation Processes in Magmas and Volcanic Rocks
In this chapter, we consider the many processes by which magma and volcanic rock can be fragmented. This comprehensive review describes the...
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Rockfalls, fragmentation, and dust clouds: analysis of the 2017 Pousset event (Northern Italy)
The process and dynamics of rock fragmentation during the collapse of rockfalls and rock avalanches is a poorly developed topic. The most severe...
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Dynamic fragmentation characteristics of columnar rockfall: insights from discrete element method
The 2D discrete element method has been employed to analyze the dynamic fragmentation characteristics of the Zengziyan columnar rockfall that...
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The Load-Bearing Mechanism of Rock-Socketed Piles Considering Rock Fragmentation
Based on the random distribution patterns of rock fragmentation (RF), a concrete–rock shear model (CRSM) considering RF was developed through the...
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The Alasu rock avalanche in the Tianshan Mountains, China: fragmentation, landforms, and kinematics
Geomorphological and sedimentological characteristics are key evidences for understanding the emplacement mechanisms of rock avalanches. Based on...
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On the Dynamic Fragmentation of Rock-Like Spheres: Insights into Fragment Distribution and Energy Partition
Fragmentation of blocks upon impact is commonly observed during rockfall events. Nevertheless, fragmentation is not properly taken into account in...
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Progressive Weakening of Granite by Piezoelectric Excitation of Quartz with Alternating Current
A promising solution to reduce energy usage and mitigate the wear of drilling and comminution tools during mining operations involves inducing...
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Numerical investigation of rock dynamic fragmentation during rockslides using a coupled 3D FEM-DEM method
Rockslides are one of the most common geological hazards in mountainous areas and can pose significant threats to the safety of human lives and...
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Progressive evolution and failure behavior of a Holocene river-damming landslide in the SE Tibetan Plateau, China
This paper presents a study on an ancient river-damming landslide in the SE Tibet Plateau, China, with a focus on time-dependent gravitational creep...
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Macro-Mesoscopic Fragmentation Characteristics of Rock Beneath Disc Cutters Subjected to the Thermo-Mechanical Coupling Action
AbstractA series of laboratory cutter indentation tests were conducted on mudstone samples to study the influence of thermo-mechanical coupling on...
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Prediction and Actual Oversized/Undersized Fragmentation in Underground Blasting
AbstractThe blasting experience in Zapolyarny Mine is described, and the actual oversized/undersized fragmentation of blasting from haulage drift is...
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An Experimental Setup to Study the Fragmentation of Rocks Upon Impact
Rockfall is a natural hazard that needs to be rigorously managed along all the major road and railways transport networks by identifying the most...
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Simulation of the fragmentation and propagation of jointed rock masses in rockslides: DEM modeling and physical experimental verification
Rockslides are among the most dangerous geohazards. The discrete element method (DEM) has been increasingly used to simulate the emplacement process...
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Progressive Damage Behaviours of Triaxially Confined Rocks under Multiple Dynamic Loads
Investigation of rock progressive damage under static confinement and strain rates facilitates the generation mechanism of natural fault damage...
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Study on Progressive Instability Characteristics of Coal-Rock Composite Structure with the Different Height Ratios
To ensure the safety of coal mining, lots of coal pillars were reserved in the coal mine. The stability of coal pillar and roof composite structures...
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Experimental and numerical study on the fragmentation mechanism of a single calcareous sand particle under normal compression
The rate-dependent mechanical properties of a specific geomaterial play a crucial role in engineering design and application. However, there have...
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Dynamic Mechanical Response and Damage Constitutive Model of Multi-flawed Rocks Under High Strain Rates
Rocks naturally containing many flaws are frequently subjected to dynamic impact loading. Understanding the dynamic mechanical response and...
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Dynamic mechanism triggering an underground-mining-induced landslide in karst mountains, Southwest China
The karst mountain region in Southwest China frequently experiences massive geo-disasters due to its geology and ongoing human engineering...
