Risk assessment of Flyrock in Surface Mines using a FFTA-MCDM Combination

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Norouzi Masir Raziye; ATAEI MOHAMMAD; Mottahedi Adel

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Journal Paper

Paper Information

Journal: JOURNAL OF MINING AND ENVIRONMENTAL (INTERNATIONAL JOURNAL OF MINING & ENVIRONMENTAL ISSUES) Year:2021 | Volume:12 | Issue:1 Page(s): 191-203

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Information Journal Paper

Title

Risk assessment of Flyrock in Surface Mines using a FFTA-MCDM Combination

Author(s)

Norouzi Masir Raziye | ATAEI MOHAMMAD | Mottahedi Adel | Issue Writer Certificate

Keywords

Risk assessment

FFTA

Flyrock

Surface mines

MCDM

Abstract

The drilling and blasting method is the first choice for rock breakage in surface or underground mines due to its high flexibility against variations and low investment costs. However, any method has its own advantages and disadvantages. The Flyrock phenomenon is one of the drilling and blasting disadvantages that the mining engineers have always been faced with in the surface mine blasting operations. Flyrock may lead to fatality and destroy mine equipment and structures, and so its Risk assessment is very essential. For a Flyrock Risk assessment, the causing events that lead to Flyrock along with their probabilities and severities should be identified. For this aim, a combination of the fuzzy fault tree analysis and multi-criteria decision-making methods are used. Based on the results obtained, the relevant causing events of Flyrock in Surface mines can be categorized into three major groups: design error, human error, and natural error. Finally, using the obtained probabilities and severities for these three groups, the risk matrix is constructed. Based on the risk matrix, the risk numbers of Flyrock occurrence due to the design errors, human errors, and natural influence are 12, 6, and 2, respectively. Hence, in order to minimize the Flyrock risk, it is very vital for the engineers to select appropriate values for the design events of blasting pattern such as burden, spacing, delays, and hole diameter.

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APA: Copy

Norouzi Masir, Raziye, ATAEI, MOHAMMAD, & Mottahedi, Adel. (2021). Risk assessment of Flyrock in Surface Mines using a FFTA-MCDM Combination. JOURNAL OF MINING AND ENVIRONMENTAL (INTERNATIONAL JOURNAL OF MINING & ENVIRONMENTAL ISSUES), 12(1 ), 191-203. SID. https://sid.ir/paper/659254/en

Vancouver: Copy

Norouzi Masir Raziye, ATAEI MOHAMMAD, Mottahedi Adel. Risk assessment of Flyrock in Surface Mines using a FFTA-MCDM Combination. JOURNAL OF MINING AND ENVIRONMENTAL (INTERNATIONAL JOURNAL OF MINING & ENVIRONMENTAL ISSUES)[Internet]. 2021;12(1 ):191-203. Available from: https://sid.ir/paper/659254/en

IEEE: Copy

Raziye Norouzi Masir, MOHAMMAD ATAEI, and Adel Mottahedi, “Risk assessment of Flyrock in Surface Mines using a FFTA-MCDM Combination,” JOURNAL OF MINING AND ENVIRONMENTAL (INTERNATIONAL JOURNAL OF MINING & ENVIRONMENTAL ISSUES), vol. 12, no. 1 , pp. 191–203, 2021, [Online]. Available: https://sid.ir/paper/659254/en

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