Evaluation of blasting patterns using operational research models

• Autorzy: Monjezi M. , Farzaneh F. , Asadi A.

Warianty tytułu

PL

Ocena planów prac strzałowych w oparciu o metody badań operacyjnych

• Języki publikacji: EN

Abstrakty

EN

Blasting is one of the most important operations, which has a great technical and economical effect on the mining projects. Criteria such as fragmentation (operation ultimate objective) and ground vibration, flyrock, airblast, etc. (operation side effects) should be considered in the assessment of blasting operation. A suitable pattern should be able to provide both reasonable (required) fragmentation and blasting side effects. In order to evaluate blasting performance, operational research models such as multi attribute decision making technique (MADM) can be applied. Technique for order preference by similarity to an ideal solution (TOPSIS), a branch of MADM, is a strong method for pattern ranking. The other quantitative method which is applied in the evaluation of systems’ efficiency is data envelopment analysis (DEA) model. In this paper, an attempt has been made to develop a new hybrid MADM model for selecting the most appropriate blasting pattern in Chadormalu iron mine, Iran. In this regard, DEA method was utilized to select the efficient blast patterns thereafter TOPSIS was used to recognize the most suitable pattern amongst the selected patterns by DEA method. It was concluded that the patterns J, G and B are the most appropriate patterns for blasting operations in the Chadormalu iron mine.

PL

Prace strzałowe to jedne z kluczowych operacji w znacznym stopniu determinujące efektywność ekonomiczną wielu projektów górniczych. W planowaniu prac strzałowych uwzględnić należy podstawowe kryteria, takie jak rozdrobnienie skał (ostateczny cel operacji), wibracje podłoża, występowanie rozrzutu skał, i podmuchów powietrza (efekty uboczne). Odpowiedni harmonogram prac zapewnić powinien zarówno odpowiedni poziom rozdrobnienia (wymiary brył) jak i ograniczenie skutków ubocznych prac. Dla oceny skuteczności prac strzałowych zastosować można modele badań operacyjnych, np. modele oparte o wielokryterialną technikę decyzyjną MADM, a technika ustalania kolejności preferowanych rozwiązań oparta o podobieństwo do rozwiązania idealnego (TOPSIS), wywodząca się z MADM, jest skuteczną metodą ustalania rankingu wzorców. Inną metodą ilościową stosowaną do oceny efektywności systemów jest metoda analizy danych DEA. W niniejszym artykule dokonano próby opracowania hybrydowego modelu MADM do wyboru najbardziej korzystnego planu prac strzałowych w kopalni rud żelaza Chadormalu, w Iranie. W ramach badań wykorzystano metodę DEA do wyboru skutecznego planu prac strzałowych, następnie zastosowano podejście TOPSIS dla rozpoznania najbardziej odpowiedniego wzorca spośród tych wybranych przy pomocy metody DEA. Stwierdzono, że wzorce oznaczone jako J, G i B są najodpowiedniejsze do zastosowania przy pracach strzałowych prowadzonych w kopalni rud żelaza Chadormalu.

Słowa kluczowe

EN

fragmentation; ground vibration; flyrock; TOPSIS; DEA

PL

rozdrobnienie skał; drgania podłoża; rozrzut skał; podmuchy powietrza; TOPSIS; DEA

• Wydawca: Instytut Mechaniki Górotworu PAN
• Czasopismo: Archives of Mining Sciences
• Rocznik: 2013
• Tom: Vol. 58, no. 3
• Strony: 881--892
• Opis fizyczny: Bibliogr. 37 poz., rys., tab.

Twórcy

autor

Monjezi M.

• Tarbiat Modares University, Tehran, Iran

autor

Farzaneh F.

• Islamic Azad University, Tehran South Branch, Tehran, Iran

autor

Asadi A.

• Islamic Azad University, Tehran South Branch, Tehran, Iran

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