MAXIMIZING THE MINING EXPLOITATION EFFICIENCY OF A QUARRY: A CASE STUDY

Nowadays, the dimension stone industry performs a crucial role in the world economy. Accordingly, dimension stone quarries’ importance grows due to their different applications in various construction, building, and decorative industries. Some issues threaten this industry and provide a financial ri...

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Autores principales:	Arezou Rasti, Nader Ebrahimi, Morteza Tabaei, Hamid Ranjkesh Adarmanabadi
Formato:	article
Lenguaje:	EN HR
Publicado:	Faculty of Mining, Geology and Petroleum Engineering 2021
Materias:	dimension stone financial risk discontinuity network exploitation efficiency rock block’s geometry Mining engineering. Metallurgy TN1-997 Geology QE1-996.5
Acceso en línea:	https://doaj.org/article/b1dbd1d1551c4abc9ef3a60560b63d0c
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spelling	oai:doaj.org-article:b1dbd1d1551c4abc9ef3a60560b63d0c2021-12-03T21:51:29ZMAXIMIZING THE MINING EXPLOITATION EFFICIENCY OF A QUARRY: A CASE STUDY1849-0409https://doaj.org/article/b1dbd1d1551c4abc9ef3a60560b63d0c2021-01-01T00:00:00Zhttps://hrcak.srce.hr/file/386588https://doaj.org/toc/1849-0409Nowadays, the dimension stone industry performs a crucial role in the world economy. Accordingly, dimension stone quarries’ importance grows due to their different applications in various construction, building, and decorative industries. Some issues threaten this industry and provide a financial risk that should be taken into account to make the smallest possible risk for investment. The presence of discontinuities in the rock mass has a key function as far as it concerns the overall quality of in situ rock blocks. It impacts the feasibility of dimension stone quarries and overall mine exploitation efficiency. Therefore, it is recommended to survey discontinuities and rock blocks and estimate the average geometry of a rock block, including the shape and size, before mining the benches to maximize mining exploitation efficiency and minimize waste ore production. This investigation aims to survey the discontinuities of the limestone quarry mine located in Josheghan, Iran, to determine and calculate rock blocks’ suitable geometry and an extraction’s direction for active mine benches. For this purpose, the scanline method was applied to survey discontinuities in seven active benches. 3DEC software was used to indicate discontinuities and model the rock blocks for all active benches. It was concluded that the benches’ cutting line make a 13.14 degree with the discontinuities main’s direction. The result of this study proved that by changing the direction of mining and extraction for active mine benches, the unnecessary waste production would decrease. The production rate with the recommended extraction direction will increase by about 1.13% compared to the current extraction direction, which makes 13.14 degrees with the discontinuities main’s direction. Currently, bench seven recorded the minimum production rate, which is 97.60; by applying the new extraction’s direction, it is predicted that this bench will achieve a 99.83 production rate. Consequently, it is concluded by improving the production rate, exploitation efficiency would increase considerably.Arezou RastiNader EbrahimiMorteza TabaeiHamid Ranjkesh AdarmanabadiFaculty of Mining, Geology and Petroleum Engineeringarticledimension stonefinancial riskdiscontinuity networkexploitation efficiencyrock block’s geometryMining engineering. MetallurgyTN1-997GeologyQE1-996.5ENHRRudarsko-geološko-naftni Zbornik, Vol 36, Iss 5, Pp 21-31 (2021)
institution	DOAJ
collection	DOAJ
language	EN HR
topic	dimension stone financial risk discontinuity network exploitation efficiency rock block’s geometry Mining engineering. Metallurgy TN1-997 Geology QE1-996.5
spellingShingle	dimension stone financial risk discontinuity network exploitation efficiency rock block’s geometry Mining engineering. Metallurgy TN1-997 Geology QE1-996.5 Arezou Rasti Nader Ebrahimi Morteza Tabaei Hamid Ranjkesh Adarmanabadi MAXIMIZING THE MINING EXPLOITATION EFFICIENCY OF A QUARRY: A CASE STUDY
description	Nowadays, the dimension stone industry performs a crucial role in the world economy. Accordingly, dimension stone quarries’ importance grows due to their different applications in various construction, building, and decorative industries. Some issues threaten this industry and provide a financial risk that should be taken into account to make the smallest possible risk for investment. The presence of discontinuities in the rock mass has a key function as far as it concerns the overall quality of in situ rock blocks. It impacts the feasibility of dimension stone quarries and overall mine exploitation efficiency. Therefore, it is recommended to survey discontinuities and rock blocks and estimate the average geometry of a rock block, including the shape and size, before mining the benches to maximize mining exploitation efficiency and minimize waste ore production. This investigation aims to survey the discontinuities of the limestone quarry mine located in Josheghan, Iran, to determine and calculate rock blocks’ suitable geometry and an extraction’s direction for active mine benches. For this purpose, the scanline method was applied to survey discontinuities in seven active benches. 3DEC software was used to indicate discontinuities and model the rock blocks for all active benches. It was concluded that the benches’ cutting line make a 13.14 degree with the discontinuities main’s direction. The result of this study proved that by changing the direction of mining and extraction for active mine benches, the unnecessary waste production would decrease. The production rate with the recommended extraction direction will increase by about 1.13% compared to the current extraction direction, which makes 13.14 degrees with the discontinuities main’s direction. Currently, bench seven recorded the minimum production rate, which is 97.60; by applying the new extraction’s direction, it is predicted that this bench will achieve a 99.83 production rate. Consequently, it is concluded by improving the production rate, exploitation efficiency would increase considerably.
format	article
author	Arezou Rasti Nader Ebrahimi Morteza Tabaei Hamid Ranjkesh Adarmanabadi
author_facet	Arezou Rasti Nader Ebrahimi Morteza Tabaei Hamid Ranjkesh Adarmanabadi
author_sort	Arezou Rasti
title	MAXIMIZING THE MINING EXPLOITATION EFFICIENCY OF A QUARRY: A CASE STUDY
title_short	MAXIMIZING THE MINING EXPLOITATION EFFICIENCY OF A QUARRY: A CASE STUDY
title_full	MAXIMIZING THE MINING EXPLOITATION EFFICIENCY OF A QUARRY: A CASE STUDY
title_fullStr	MAXIMIZING THE MINING EXPLOITATION EFFICIENCY OF A QUARRY: A CASE STUDY
title_full_unstemmed	MAXIMIZING THE MINING EXPLOITATION EFFICIENCY OF A QUARRY: A CASE STUDY
title_sort	maximizing the mining exploitation efficiency of a quarry: a case study
publisher	Faculty of Mining, Geology and Petroleum Engineering
publishDate	2021
url	https://doaj.org/article/b1dbd1d1551c4abc9ef3a60560b63d0c
work_keys_str_mv	AT arezourasti maximizingtheminingexploitationefficiencyofaquarryacasestudy AT naderebrahimi maximizingtheminingexploitationefficiencyofaquarryacasestudy AT mortezatabaei maximizingtheminingexploitationefficiencyofaquarryacasestudy AT hamidranjkeshadarmanabadi maximizingtheminingexploitationefficiencyofaquarryacasestudy
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MAXIMIZING THE MINING EXPLOITATION EFFICIENCY OF A QUARRY: A CASE STUDY

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