AN EMPIRICAL MODEL TO PREDICT PARTICLE SIZE REDUCTION CAUSED BY BLASTING IN THE CONGLOMERATE ROCK-MASS AT GOTVAND OLYA DAM

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BAKHSHANDEH AMNIEH H.; MALEKINEZHAD H.R.

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Journal: JOURNAL OF ENERGY MANAGEMENT Year:2012 | Volume:2 | Issue:3 Page(s): 20-27

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Title

AN EMPIRICAL MODEL TO PREDICT PARTICLE SIZE REDUCTION CAUSED BY BLASTING IN THE CONGLOMERATE ROCK-MASS AT GOTVAND OLYA DAM

Author(s)

BAKHSHANDEH AMNIEH H. | MALEKINEZHAD H.R. | Issue Writer Certificate

Keywords

BLASTINGQ2

MEAN FRAGMENT SIZEQ2

EMPIRICAL MODELQ2

CONGLOMERATEQ2

Abstract

The main aim of BLASTING operations in mining and civil engineering projects is size reduction of the rockmass.Particle size reduction (P.S.R) affects the efficiency of the loading, haulage and milling equipments. Therefore, prediction of MEAN FRAGMENT SIZE in designing optimum BLASTING patterns is crucial. In this research, a model is presented for predicting MEAN FRAGMENT SIZE caused by BLASTING, using a combination of Grady & Kipp model (considering the number of radial cracks in the vicinity of the blast-hole) and concept of the MEAN FRAGMENT SIZE. The proposed model shows that MEAN FRAGMENT SIZE is a function of rock-mass characteristics, fracture toughness (KIC), explosive characteristics such as velocity of detonation, specific density and geometrical BLASTING parameters like burden, spacing, blast-hole diameter, etc. Considering validation of this model at the rock-fill mines of Gotvand Olya Dam, in real-scale, application of this model is recommended in open-pit mines BLASTING.

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APA: Copy

BAKHSHANDEH AMNIEH, H., & MALEKINEZHAD, H.R.. (2012). AN EMPIRICAL MODEL TO PREDICT PARTICLE SIZE REDUCTION CAUSED BY BLASTING IN THE CONGLOMERATE ROCK-MASS AT GOTVAND OLYA DAM. JOURNAL OF ENERGY MANAGEMENT, 2(3), 20-27. SID. https://sid.ir/paper/223769/en

Vancouver: Copy

BAKHSHANDEH AMNIEH H., MALEKINEZHAD H.R.. AN EMPIRICAL MODEL TO PREDICT PARTICLE SIZE REDUCTION CAUSED BY BLASTING IN THE CONGLOMERATE ROCK-MASS AT GOTVAND OLYA DAM. JOURNAL OF ENERGY MANAGEMENT[Internet]. 2012;2(3):20-27. Available from: https://sid.ir/paper/223769/en

IEEE: Copy

H. BAKHSHANDEH AMNIEH, and H.R. MALEKINEZHAD, “AN EMPIRICAL MODEL TO PREDICT PARTICLE SIZE REDUCTION CAUSED BY BLASTING IN THE CONGLOMERATE ROCK-MASS AT GOTVAND OLYA DAM,” JOURNAL OF ENERGY MANAGEMENT, vol. 2, no. 3, pp. 20–27, 2012, [Online]. Available: https://sid.ir/paper/223769/en

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