Geological map of Ratcon and NSCE granite quarries in
Download scientific diagram | Geological map of Ratcon and NSCE granite quarries in Ibadan, Oyo state extracted from the geologi- cal map of Nigeria. from publication: Optimization of Blasting ...
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(PDF) Optimization of Blasting Parameters Using
This study, examines optimization of blast design in ZIBO quarries. To achieve this, rock samples were collected from the study area for the determination of the rock density. Schmidt hammer was ...
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Drill and Blast in Gypsum Quarries: Optimization of
Drilling and blasting operations are one of the common deals in open pit mining. Recently, mathematical rigorous patterns are on attention and digitalization and optimization of mining operations are highly suggested. In this work, drilling and blasting operations are modeled and various scenarios are simulated. The usual result of numerical simulations is the …
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Optimal Blast Design Considering the Effects of …
The primary and main purpose of designing a blast pattern in an open pit or quarry is to use quantities of explosives to fragment the rock material down to smaller pieces and shapes that can make ...
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Optimization of Blast Design for Quarries -A Case Study of …
ABSTRACT: This study, examines optimization of blast design in ZIBO quarries. To achieve this, rock samples were collected from the study area for the determination of the rock density. Schmidt hammer was used ... spacing values are either 1.5 m or 2 m for a given blast design.The quarry's blasting patternsgivespowder
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Evaluation and optimization of blasting approaches to reducing oversize
At present, drilling equipment with 200-mm hole diameter and above is widely used in large open-pit mine. The blasthole diameter has significant effect on rock fragmentation, since it is the primary blast design parameter and has influence on the choice of burden, spacing, stemming length, etc. [1], [2], [3].In order to choose the proper blasthole size for bench …
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Optimization of Blast Design for Quarries -A Case Study of …
ABSTRACT: This study, examines optimization of blast design in ZIBO quarries. To achieve this, rock ... spacing values are either 1.5 m or 2 m for a given blast design.The quarry's blasting ...
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Optimization of Blasting-Associated Costs in Surface Mines
Blasting outcomes have significant impacts on downstream mining operations such as loading, hauling, crushing, milling, and mineral processing. An ideal blasting plan can result in decrease in undesirable blast-induced impacts and in supplementary costs of downstream operations. This study developed a new mathematical model using a risk-based …
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Optimization of blasting parameters and prediction of vibration …
Research experts have done in-depth research on design theories and methods for blast optimization and have proposed many theories to establish various models. However, the complexity of the geological structure of the mine and the uncertainty of the chosen model has resulted in limitations and variability in the results [5].
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Possible ways of optimizing blasting operations using O
In order to blast the in-situ rock to the desired fragment size, blast design parameter such as bench height, hole diameter, spacing, burden, hole length, bottom charge, specific charge and rock ...
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Investigation of Some Blast Design and Evaluation Parameters for
The present paper highlights some important fragmentation issues experienced in the limestone quarry blast rounds. In light of these major issues, the paper outlines influence of a few important design parameters, which bear merit to alter the blast performance in order to duly resolve the issues in field scale blast rounds.
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Optimization of Blasting Parameters Using Regression Models in …
This research examines optimization of blasting parameters for economic production of granite aggregates in Ratcon and NSCE quarries located atIbadan,OyoState. Samples were collected from the study areas for the determination of rock density and porosity. Schmidt hammer was used for in situ determination of rock hardness. Uniaxial compressive strength of in situ rock …
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Design and optimization for bench blast based on Voronoi diagram
The ShotPlus allows the evaluation and optimization of blast design with Orica products. However, the ShotPlus cannot automatically implement the whole bench blast design, for example, the blasthole coordinates are input manually. ... a practical hole-by-hole bench blast in a quarry open pit is selected as an application case. The blast area ...
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Holistic Approach to Define the Blast Design in Quarrying
A new approach to determine the most efficient blast design was proposed, taking the peak particle velocity (PPV) as the main constraint, while including costs, production, …
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Optimization of Blast Design for Quarries -A Case Study of …
ABSTRACT: This study, examines optimization of blast design in ZIBO quarries. To achieve this, rock samples were collected from the study area for the determination of the rock density. Schmidt hammer was used for the in situ determination of rock hardness.
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Table 1 : Traditional and modified Blast design parameters
Optimization of Blast Design for Quarries: A case study of Zibo quarry, Nigeria ... The burden and spacing values are either 1.5 m or 2 m for a given blast design.The quarry's blasting ...
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Application of Artificial Neural Network (ANN) for Prediction and
Citation: Al-Bakri, A.Y.; Sazid, M. Application of Artificial Neural Network (ANN) for Prediction and Optimization of Blast-Induced Impacts. Mining 2021, 1, 315-334.
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DETERMINATION OF BENCH BLAST DESIGN …
Bench design geometry parameters are considered the important issue of rock extraction. It directly has influences on rock extraction on all surface mines and quarries operation.
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Optimized blasting design for large-scale quarrying based on a 3 …
In this study, rock fragmentation is analyzed from actual dimension test blasting based on four different blasting patterns that are compared with the results of representative …
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Optimization of Blast Design Parameters for Improved …
O-Pitblast is a specialized software used in the mining industry, particularly for blast design and optimization in open-pit, quarries and underground mines. The software uses advanced …
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Optimization of blasting patterns in Esfordi phosphate mine using
For instance, Akande and Lawal (2013) used multiple regression models to identify the most optimal blasting design in Ratcon and NSCE granite quarries. ... The final decision to determine the most efficient blast design is made using these parameters as the blast design evaluation indices. ... Optimization of blasting design in open pit ...
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Optimisation of Drill and Blast Parameters Using Empirical
The results showed that the mean fragmentation of the mine using current drill and blast parameters were below the expected mean fragment size of 415 mm. Blast optimisation was therefore carried ...
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Prediction and Optimization of Blasting-Induced Ground Vibration …
Prediction and parameter optimization are effective methods for mine personnel to control blast-induced ground vibration. However, the challenge of effective prediction and optimization lies in the multi-factor and multi-effect nature of open-pit blasting. This study proposes a hybrid intelligent model to predict ground vibrations using a least-squares support …
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Optimization of Blasting Parameters Using Regression Models in …
This research examines optimization of blasting parameters for economic production of granite aggregates in Ratcon and NSCE quarries located atIbadan,OyoState. Samples were collected …
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Harmonizing Blasting Efficiency: A Case Study on Evaluation and
Drilling and blasting techniques persist as the most economically viable approaches for rock excavation in both surface and underground mining. However, the conventional focus has predominantly cantered on optimizing rock fragmentation, often overlooking the consequential impacts of by-products, such as ground vibration and fly rock. …
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Holistic Approach to Define the Blast Design in Quarrying
Abstract: A new approach to determine the most efficient blast design was proposed, taking the peak particle velocity (PPV) as the main constraint, while including costs, production, …
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Enhancing rock fragmentation assessment in mine blasting …
The optimization of blasting operations greatly benefits from the prediction of rock fragmentation. The main factors that affect fragmentation are rock mass characteristics, blast geometry, and explosive properties. This paper is a step towards the implementation of machine learning and deep learning algorithms for predicting the extent of fragmentation (in …
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Blast Design Optimization To Improve Material Fragmentation at …
The document discusses optimizing blast design parameters to improve rock fragmentation at Nyanza quarry in Kenya. Currently, boulders are forming after blasting, requiring secondary blasting and increasing costs. The designed blast size is 350mm but actual sizes average 1475mm. Fragmentation is poor, lowering production from 1500 to 1350 tonnes per day. The …
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Blast optimization at Tororo cement quarry
Today optimization of blasts is achieved through conducting trial blasts. This is an inefficient tool/measure as it is a trial and error technique- In this particular paper, an application tool to …
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Study on the optimization of blasting parameters and blastholes
The design of blast holes and the arrangement of explosives within them have emerged as key focal points in blasting optimization efforts. ... offering valuable insights for blast design optimization ... The effect of blast design on the success of environmental control techniques at limestone quarries. Environ. Earth Sci., 75 (7) (2016), p ...
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