Numerical analysis of wave propagation mechanism in a granite rock mass

H. Bakhshandeh; A. Mortazavi; K. Najm

Numerical analysis of wave propagation mechanism in a granite rock mass

H. Bakhshandeh, A. Mortazavi, K. Najm

Department of Mining Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

In this research, the interaction of blast-induced stress wave with the surrounding media is investigated by the UDEC code. The stress wave resulting from the explosion of a cylindrical charge is simulated by a triangular pulse which is the result of an overpressure equivalent to 1860 MPa. This pressure is applied to the blasthole wall as a uniform load. Numerical results are compared with published empirical data for blasting in a granite rock mass. A good agreement between numerical and empirical results was achieved.

Original language	English
Pages (from-to)	13-27
Number of pages	15
Journal	Amirkabir (Journal of Science and Technology)
Volume	16
Issue number	62 C
Publication status	Published - Jun 1 2005

Keywords

Blasting
Granite
Numerical Analysis
Wave propagation

ASJC Scopus subject areas

Engineering(all)

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N2 - In this research, the interaction of blast-induced stress wave with the surrounding media is investigated by the UDEC code. The stress wave resulting from the explosion of a cylindrical charge is simulated by a triangular pulse which is the result of an overpressure equivalent to 1860 MPa. This pressure is applied to the blasthole wall as a uniform load. Numerical results are compared with published empirical data for blasting in a granite rock mass. A good agreement between numerical and empirical results was achieved.

AB - In this research, the interaction of blast-induced stress wave with the surrounding media is investigated by the UDEC code. The stress wave resulting from the explosion of a cylindrical charge is simulated by a triangular pulse which is the result of an overpressure equivalent to 1860 MPa. This pressure is applied to the blasthole wall as a uniform load. Numerical results are compared with published empirical data for blasting in a granite rock mass. A good agreement between numerical and empirical results was achieved.

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KW - Wave propagation

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