Amplification and attenuation effect of blasting vibration on step topography

Wu Xu; Zhang Yunpeng; Guo Qifeng

doi:10.11883/1001-1455(2017)06-1017-06

Volume 37 Issue 6

Sep. 2017

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Wu Xu, Zhang Yunpeng, Guo Qifeng. Amplification and attenuation effect of blasting vibration on step topography[J]. Explosion And Shock Waves, 2017, 37(6): 1017-1022. doi: 10.11883/1001-1455(2017)06-1017-06

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Wu Xu, Zhang Yunpeng, Guo Qifeng. Amplification and attenuation effect of blasting vibration on step topography[J]. Explosion And Shock Waves, 2017, 37(6): 1017-1022. doi: 10.11883/1001-1455(2017)06-1017-06

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Amplification and attenuation effect of blasting vibration on step topography

doi: 10.11883/1001-1455(2017)06-1017-06

Wu Xu^{1, 2
,},
Zhang Yunpeng³,
Guo Qifeng^{1, 2}

1.
School of Civil and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China
2.
Key Laboratory of High-Efficient Mining and Safety of Metal Mines, University of Science and Technology Beijing, Beijing 100083, China
3.
College of Mining Engineering, North China University of Science and Technology, Tangshan 063009, Hebei, China

Received Date: 2016-03-29
Rev Recd Date: 2016-07-29
Publish Date: 2017-11-25

Abstract

Abstract

The present study investigates the growth and variation of the amplification effect in the propagation of the blasting vibration velocity in step topography. The results indicate that the blast vibration elevation amplification effect on a single step occurs at a certain distance and elevation; the peak particle velocity magnification of the top of the slope doesn't increase monotonously with the increase of the elevation; and the magnification decreases when the elevation exceeds a certain critical value. The elevation exerts an effect of both amplification and attenuation on the blasting vibration velocity. According to the data analysis of the numerical simulation and the field experiment, a model of the blasting vibration velocity prediction on step topography was presented, providing reference for the research of blasting seismic wave propagation law in similar slope projects.
- step topography,
- elevation difference,
- blasting vibration,
- amplification effect

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References(13)

References

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