Blasting efficiency in granite aggregate quarry based on the combined effects of fragmentation and weighted environmental hazards Shaib Abdulazeez Shehu1, 2*, Kudirat Oziohu Yusuf3, Hareyani Zabidi1, Onimisi A. Jimoh1, 1M.H.M. Hashim 1 Universiti Sains Malaysia, Penang, Malaysia 2 Confluence University of Science and Technology, Osara, Nigeria
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International Journal of Scientific & Engineering Research, Volume 7, Issue 4, April-2016 ISSN 2229-5518 608 Effect of Fragmentation on Loading at Obajana Cement Company Plc, Nigeria Jethro, M.A, Shehu, S.A and Kayode, T.S. Abstract – Evaluation of fragmentation distribution is necessary for the assessment of the effectiveness of the blasting operation against the …
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In this article, we shall be taking a look at the problems that have been caused by mineral exploitation in the country. 1. Landscape Defacement: If you take a look at quarry sites …
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The environmental impact of mining in Nigeria is alarming and cannot be ignored. Deforestation, soil erosion, and water pollution are evident consequences of mining activities. …
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The problem of heavy metal contamination of surface water due to mining activities is particularly severe in developing countries like Nigeria, where environmental laws are not effectively ...
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High radiation was recorded in monazite mining areas in Nigeria, where many died of radiation effects (Iyayi, 2007). Other studies investigated the chemical characteristics of the major pollutants ...
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among others. However, in developing countries like Nigeria, the contribution of the quarry industry remains minimal.1 Quarrying, which encompasses the removal of overburden, drilling, blasting, and rock crushing for diverse applications, plays a pivotal role in meeting the manifold needs of society.2,3 6,7
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Ten production blasts and 38 blast record datasets from a small scale dolomite quarry in Akoko Edo, Nigeria were studied to determine the effect of powder factor on blast fragmentation size ...
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Abstract. Artisanal and Small-Scale Mining in Nigeria has been considered as an unorganized sector in mining industry because of its environmental implication and violations associated with the industry. However, this article tends to present the benefits of ASM alongside with the side effect and drawn a conclusion if ASM is an integral part in mining industry in case the …
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Cumulatively, blast event 4 has the highest overall blasting efficiency of 45.43%. Future research is expected to standardise this novel approach and incorporate more blasting effects. Originality.
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ABSTRACT Blasting is one of the main methods used in the mining industry to fragment hard rock minerals. Blasting is an inherently dangerous activity which can result in serious injury, death, and ...
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Nigeria must ramp up its mineral exploration and exploitation activities to achieve this objective. This has grave implications for mining communities, especially regarding its heightened...
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execution software tools, the blasting process has now become more efficient and safer than before. Moreover, the hazards from blasting can instead be predicted before the actual blasting; thus, the adverse impacts of blasting can be controlled and reduced [6]. Several authors deal with the use of mathematical modeling to predict vibration
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Considering the fact that mining activities in Nigeria operate below capacity in the absence of proper regulations and standards, the cases of human fatalities from lead poisoning prompted …
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At present, although many scholars have extensively studied the impact of blasting vibration on rock slopes, most of them focused on the influence of open pit excavation and mining blasting on ...
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At present, although many scholars have extensively studied the impact of blasting vibration on rock slopes, most of them focused on the influence of open pit excavation and mining blasting on rock slopes (Guo et al., 2004; Li and Zhang, 2007; Afeni and Osasan, 2009; Baczynski, 2010; Deb et al., 2011; Choi et al., 2013; Hu et al., 2014; Saadat ...
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Nigeria Mbuyi M. Melodi ... environmental effects of mining activities are reduced to the barest minimum. ... to secure the blasting area dominate blasting-related accidents in mining. A thorough ...
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Mineral exploration and processing have caused varying degree of environmental damage in Nigeria. These include alteration of ecological state, air, water, soil pollution, destruction of soil...
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Blasting is a common method used in mining operations to extract minerals and resources from the earth (Figure 1). ... the impact of blasting on the environment can be significant. ... Nigeria are ...
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Investigating Vibration Effect from Blasting ... Edo State, Nigeria Authors: 1Christopher O. Aigbogun; 2 Taiwo Monday Edo 1 Department of Physics, University of Benin, Benin, Nigeria ([email protected]) ... ([email protected]) ABSTRACT In recent times Okpella has experienced an increase in limestone mining activities to meet the ...
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The effects of poor blasting in open pit mining operations cannot be overemphasized. Not only does blasting induce vibrations, but the rock behind the slope face can also be fragmented and loosened as a result [12]. Also, the conventional method of blasting rocks is often accompanied by fly rocks, ground vibration, generation of
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Our objectives were: Firstly, to analyze guidelines for the Impact Assessments of Non-Coal Mining projects and recommend sustainable strategies; and secondly, to discern the effects of limestone ...
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Blasting is an important unit operation in mining and civil engineering projects that is aimed at effective rock fragmentation. However, it is always associated with some harmful and unwanted effects on the surrounding environment and humans, including ground vibration, air blast, flying rock, etc. Open-pit mining is the most widely used means of mineral exploitation in …
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Peter Yawe, a medical officer, said the proximity of Indigenous communities to rock blasting sites plays a crucial role in determining the extent of their exposure to pollutants and the associated health effects.
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PDF | On Jan 1, 2024, Jean de Dieu Izerimana and others published Opportunity and Side Effects of Artisanal and Small-Scale Mining in Nigeria | Find, read and cite all the research you need on ...
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The research results should have a positive impact on hazard awareness, prevention, and safe blasting practices in mining and construction industries. View Show abstract
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Observing the effects of mining operations in some parts of Nigeria's mining region, they concluded that the best control measure would be for the government, industrial prospectors, and environmentalists to take precautionary and corrective measures to mitigate the negative effects of mineral development.
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The blasting vibration frequencies have considerable influence on both the values and distributions of peak particle velocities on the slope while the blasting vibration amplitudes have an impact ...
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As the nation shifts from its heavy reliance on oil, mining laws and regulations have become critical in shaping the trajectory of this burgeoning sector. In 2024, significant legislative and regulatory measures played a pivotal role in fostering growth, addressing challenges, and promoting sustainable mining practices across Nigeria.
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Ibrahim Maryam, 4, was skipping around her home in Dutse Mpape in Abuja, Nigeria's capital, her tiny feet barely touching the dusty floor in the compound, when the earth beneath her began to ...
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