literature review of powder factor in mining

ASSESSMENT OF POWDER FACTOR IN SURFACE BENCH …

Rock mass characterisation helps in selection and o ptimum usage of explosive in bench blasting. There are various methods to characterize the rock mass but use of Schmidt hamme r in rock characterization before blasting may be a good option. Schmidt hammer, since its simplicity and capability of inst ant data production, has so far …

[PDF] A review on the prediction and assessment of …

In this paper, the various methods for powder factor estimation based on empirical and comminution theory modelling as well as machine learning approaches in …

Study of the Powder Factor in Surface Bench Blasting

Study of the Powder Factor in Surface Bench Blasting. December 2015. Procedia Earth and Planetary Science 15:892-899. DOI: 10.1016/j.proeps.2015.08.142. License. CC BY-NC-ND 4.0. Authors: Mohamed ...

Social impact assessment in the mining sector: Review and comparison …

The literature review performed in this study aimed at having a representative sample of studies from the literature, describing the most frequent social impacts occurring in the mining sectors. Therefore, the search was conducted through both commonly used web research engines and academic interdisciplinary databases …

Prediction of ground vibration due to mine blasting in a

Ground vibration due to blasting is identified as a challenging issue in mining and civil activities. ... hole depth, burden, spacing, powder factor, ... Table 1 Literature review of PPV ...

INFLUENCE OF MECHANICAL AND AGGREGATE …

Powder factor was plotted against each selected rock property and regression analysis was performed on test results to understand their standalone influence. The only realized best

(PDF) A Review on the Prediction and Assessment of …

In this paper, the various methods for powder factor estimation based on empirical and comminution theory modelling as well as machine learning approaches in …

Empirical relation between powder factor, fracture, frequency …

Powder factor can be defined as the quantity of explosives (kg) required to break a unit volume or tonne (t) of rock. The prospect of excavating rocks by blasting is characterized by a specific ...

Review A review of sustainable mining and resource management

A systematic literature review was performed, the first step of which involved selecting databases of published peer-reviewed journals and searching for keywords such as "sustainable mining", "sustainable development AND mining", "sustainability and mining", as well as more generally "sustainab* AND mining".

Critical Analysis of Powder Factor in Dragline Bench …

Quick, accurate powder factor measurement is essential for any mining project. The fragment size of the muck pile plays an immense role in productivity because heavy …

POWDER FACTOR WITH SOLVED EXAMPLES | Mine Portal

Powder factor is a measure of the amount of explosive required to fragment a given volume or given quantity of rock.It is the relationship between how much rock is broken and how much explosive is used to break it.It serves as an indicator of how hard the rock is, or the cost of the explosives needed.The unit of powder factor is tonne/kg.For …

A review of the methods to incorporate the geological and …

Shapiro (1988) also used a similar approach though used the term 'explodability' to describe the blastability of a rock mass based on powder factor, for underground excavation. The explodability (blastability) was assessed based on defining a reference powder factor (q ref (kg/m 3) and burden (B ref (cm)), associated with a …

Powder factor prediction in blasting operation …

total production cost depends on it. It is a major input parameter in blast design as it influences the efficiency of subsequent operations in mining. Generally, effective …

Stemming and best practice in the mining industry: A literature review

fume generation. The review of the literature indicates some motivation for not using stemming for pre-. split, trim, hot hole, and reactive ground blasting, provided the benefits associated with ...

Study of the Powder Factor in Surface Bench Blasting☆

In this light, the present study was conducted in opencast phosphate mines to see the effect of Schmidt hammer rebound number or transformed compressive strength of rocks on the powder factor. The correlation was found sufficiently reliable to enable the determination of an optimum powder factor for surface bench blast in different rock …

Operations research for mining: A classification and literature review

Newman et al. (2010) conducted a comprehensive literature review on the applications of Operations Research (OR) techniques to mining planning and scheduling problems. Kozan and Liu (2011 ...

Systematic Review of Machine Learning Applications in Mining …

Recent developments in smart mining technology have enabled the production, collection, and sharing of a large amount of data in real time. Therefore, research employing machine learning (ML) that utilizes these data is being actively conducted in the mining industry. In this study, we reviewed 109 research papers, …

Stemming and best practice in the mining industry: A …

The Journal of the Southern African Institute of Mining and Metallurgy VOLUME 121 AUGUST 2021 415 Stemming and best practice in the mining industry: A literature review T.E. Oates1 and W. Spiteri1 Synopsis In 2015, after amendments to the explosives regulations, stemming became a mandatory activity for all South African mining …

Blasting mechanics: Material properties and …

Today, we still hold the same belief that powder factor is a useful tool for economic analysis but is a poor tool for the design of blasts because powder factor varies based on: rock type, rock structure, type …

Research trends in mining accidents study: A systematic literature review

6. Conclusion. The SLR examined research trends in mining accidents issues between 2015 and 2019 and successfully developed four main themes. These consist of the main causes of accidents (46%), and the prevention (20%), challenges (17%) and impacts of post-mining accidents (17%).

Journal of Powder Metallurgy and Mining Impact Factor:...

The graph shows the changes in the impact factor of Journal of Powder Metallurgy and Mining and its the corresponding percentile for the sake of comparison with the entire literature. Impact Factor is the most common scientometric index, which is defined by the number of citations of papers in two preceding years divided by the number of papers …

Powder Factor: The Ineffective Design Tool | E & MJ

Powder factor is the ratio of pounds of explosive used in a blast to the total volume of rock blasted; a typical range for surface blasting is 1.0 to 2.0 pounds per cubic yard (lb/yd3). During the first few centuries of blasting the thought process was that each rock, depending on type and structural geology, had a specific powder factor that ...

Renewable Energy Systems in the Mining Industry: A Literature Review …

39 -3581, [email protected]. Received: 2802.2022 Accepted: 24.03.2022. Abstract- Renewable energy (RE) sources such as solar, wind, geothermal, hydropower, and biofuels are counted as clean ...

(PDF) Overbreak and underbreak in underground openings …

According to above literature review, the rock mass conditions (non-controllable parameters) are the predominant control factors of over-excavation due to tunneling by drilling and blasting ...

Wear Performance of Metal Materials Fabricated by Powder …

The experimental results show that the laser power is the main factor affecting the wear of the parts. The microstructure of the sample shows that the number of pores increases with the decrease of laser power. ... "Wear Performance of Metal Materials Fabricated by Powder Bed Fusion: A Literature Review" Metals 10, no. 3: 304. https://doi ...

(PDF) Rock Fragmentation by Blasting – a review

Increased powder factor enhances good fragmentation but results in further environmental discomfort. Blast event 4 has the highest fragmentation efficiency of 46.53%, while 3 has the highest ...

[PDF] A review on the prediction and assessment of powder factor …

Powder factor can be defined as the quantity of explosives (kg) required to break a unit volume or tonne (t) of rock. The prospect of excavating rocks by blasting is characterized by a specific consumption of explosives. In the past decades, researchers have come up with several precise approaches to predict powder factor or specific …

Systematic Literature Review: Critical Success Factor in the

This study uses a systematic literature review approach to the use of Data Mining with a focus on success factors. A keyword search yielded several CSF findings that had a major influence on ...

sbm/sbm literature review of powder factor in mining.md …

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The Influential Role of Powder Factor vs. Delay in Full …

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(PDF) Fragment Size Distribution in Blasting

WEBThis paper aims to review the various methods for powder factor estimation in both surface bench blasting and underground tunnel …