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Numerical investigation on blast-induced rock fragmentation with different stemming structures
Stemming is one of the main concerns in blast of rock engineering due to its impact on explosion energy consumption and rock excavation performance....
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Enhancing rock fragmentation assessment in mine blasting through machine learning algorithms: a practical approach
The optimization of blasting operations greatly benefits from the prediction of rock fragmentation. The main factors that affect fragmentation are...
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Enhancing the Performance of LSSVM Model in Predicting Rock Fragmentation Size Via Optimization Algorithms
The prediction of rock fragmentation is critical to improve the efficiency and economy of blasting excavation. In this study, an attempt is made to...
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Optimization of an Artificial Neural Network Using Four Novel Metaheuristic Algorithms for the Prediction of Rock Fragmentation in Mine Blasting
Rock fragmentation is a critical process in mining operations, with blasting being one of the most common and effective methods employed to achieve...
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Study on the influence of joint dip angle and spacing on rock fragmentation by TBM double disc cutters
Tunnel boring machines’ construction efficiency is significantly affected by the formation of joints. Indentation tests were performed to explore the...
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Enhancing Rock Fragmentation in Mining: Leveraging Ensemble Classification Machine Learning Algorithms for Blast Toe Volume Assessment
The condition of the floor after an explosion is of utmost importance for safety, as it directly impacts its stability. Moreover, it exerts an...
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Compressive response, fragmentation characteristics and energy dissipation of red bed soft rock subjected to impact loading
In engineering, soft rock is often damaged by dynamic loads such as dynamic compaction, vibrating compaction and blasting, resulting in varying...
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Influence of detonator delay scatter on rock fragmentation by bunch-holes blasting
Bunch-holes blasting (several blastholes arranged in a bunch with short spacing and detonated simultaneously to form a large common blasting crater)...
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A Case Study of Fragmentation Improvement by Primer Placement in Kevitsa Mine
The effect of detonator placement on rock fragmentation by blasting was studied in the Kevitsa open-pit mine. Considering rock mass properties,...
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Harmonizing Blasting Efficiency: A Case Study on Evaluation and Optimization of Fragmentation Size and Ground Vibration
Drilling and blasting techniques persist as the most economically viable approaches for rock excavation in both surface and underground mining....
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Rock–Explosive Interaction During Underground Blasting
The rock–explosive interaction behaviour influences the blasting outputs in terms of breakage, fragmentation and induced hazards. The blast designers...
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Numerical Study on the Influence of the Width of the SBM Disc Cutter on Rock Breaking
The study of the rock-breaking pattern of shaft boring machine (SBM) cutters is the basis for cutter design. In order to reveal the influence of the...
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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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The fragmentation mechanism of granite in electrical breakdown process of plasma channel drilling
Low rate of penetration (ROP) and high drilling cost are the key problems that encountered in hot dry rock (HDR) geothermal resources exploitation...
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Effect of Firing Pattern on Rock Fragmentation in Surface Mine Blast-A Case Study
Mine Mill Fragmentation System consists of several unit operations like drilling, blasting, excavation, loading and transportation, crushing etc....
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Dynamic Mechanical Response and Fracture Properties of Rock-Like Materials with Parallel and Intersecting Flaws
Rock masses that undergo a long and complex geological tectonic process contain widely distributed parallel and intersecting flaws. These two types...
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Fracture and fragmentation of granite specimen under high-voltage pulses
The high-voltage pulse technique is considered as a promising method for rock fragmentation in rock engineering. Understanding the fracture modes and...
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Rock Fragmentation Size Distribution Prediction and Blasting Parameter Optimization Based on the Muck-Pile Model
Rock fragmentation size distribution is often used as an important index to account for the blasting effect because it directly affects the...
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Influence of Joint Orientation and Spacing on Induced Rock Mass Damage due to Blasting in Limestone Mines
The nature and orientation of joints in rock strata affect the damage pattern under explosive loading. Most of the limestone deposits in India are...
