MINIMIZING THE GROUND VIBRATIONS IN THE BLASTINGS OF SARCHESHMEH COPPER MINE, S.E. IRAN

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POURGHASEMI SAGAND M.; FAROUG HOSSAINI M.; JAVAHERIAN A.

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Journal: Journal of the Earth and Space Physics Year:2000 | Volume:26 | Issue:2 Page(s): 1-14

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Title

MINIMIZING THE GROUND VIBRATIONS IN THE BLASTINGS OF SARCHESHMEH COPPER MINE, S.E. IRAN

Author(s)

POURGHASEMI SAGAND M. | FAROUG HOSSAINI M. | JAVAHERIAN A. | Issue Writer Certificate

Keywords

MINIMIZING THE GROUND VIBRATIONQ4

SEISMIC WAVE SIMULATIONQ4

PEAK PARTICLE VELOCITYQ4

SARCHESHMEH COPPER MINEQ4

Abstract

Ground vibration is a serious outcome of open pit mine blastings. The effect of the azimuth of measuring point to the blasted block, the effect of starting point and the direction of blast movement on the vibration of the surrounding area of the blasted block are considered. In SARCHESHMEH COPPER MINE in SE Iran, seismic waves generated by 14 blasts have been recorded by 6-8 digital seismographs with three component seismometers. Seismic data from vertical, tangential and radial component seismograms were processed and analyzed in the frequency and time domains. By the convolution of seismograms related to one single blasthole with the time series corresponding to two double blastholes we simulated seismograms for two double blastholes with delay time of 25 and 65 msec. Results of the seismogram simulation were compared with seismic real data recorded by 3-C seismometer from double blastholes. Thereafter, the accuracy of the method was confirmed. Then, we simulated seismograms related to several multi-row blastholes with various delays between holes and rows. Quantifying the effect of location and azimuth of the measuring point as well as the direction of blast movement on simulation of seismograms, the impact of them on the ground vibration was studied. It was shown that the minimum ground vibration is in a direction with the azimuth of 180-225° with the free surface of the blasted block.

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APA: Copy

POURGHASEMI SAGAND, M., FAROUG HOSSAINI, M., & JAVAHERIAN, A.. (2000). MINIMIZING THE GROUND VIBRATIONS IN THE BLASTINGS OF SARCHESHMEH COPPER MINE, S.E. IRAN. JOURNAL OF THE EARTH AND SPACE PHYSICS, 26(2), 1-14. SID. https://sid.ir/paper/80601/en

Vancouver: Copy

POURGHASEMI SAGAND M., FAROUG HOSSAINI M., JAVAHERIAN A.. MINIMIZING THE GROUND VIBRATIONS IN THE BLASTINGS OF SARCHESHMEH COPPER MINE, S.E. IRAN. JOURNAL OF THE EARTH AND SPACE PHYSICS[Internet]. 2000;26(2):1-14. Available from: https://sid.ir/paper/80601/en

IEEE: Copy

M. POURGHASEMI SAGAND, M. FAROUG HOSSAINI, and A. JAVAHERIAN, “MINIMIZING THE GROUND VIBRATIONS IN THE BLASTINGS OF SARCHESHMEH COPPER MINE, S.E. IRAN,” JOURNAL OF THE EARTH AND SPACE PHYSICS, vol. 26, no. 2, pp. 1–14, 2000, [Online]. Available: https://sid.ir/paper/80601/en

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