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XU Guoyuan, ZHONG Guosheng, XIONG Zhengming. Study and application of energy analysis method for blasting seismic safety based on wavelet transform[J]. Chinese Journal of Geotechnical Engineering, 2006, 28(1): 24-28.
Citation: XU Guoyuan, ZHONG Guosheng, XIONG Zhengming. Study and application of energy analysis method for blasting seismic safety based on wavelet transform[J]. Chinese Journal of Geotechnical Engineering, 2006, 28(1): 24-28.

Study and application of energy analysis method for blasting seismic safety based on wavelet transform

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  • Published Date: January 15, 2006
  • Based on the characteristics of short-duration and abrupt of blasting vibration signals and according to measured data from a practical blast,the features of energy distribution in blasting seismic signals were studied by means of the wavelet packet analysis,which had high resolvability and localization,and energy distribution of blasting seismic signals on different frequency bands was obtained.Based on the relation between characteristic frequency of blasting seismic signals on different frequency bands and natural frequency of controlled structure,the influence of the blasting vibration on the structure could be assessed.A practical engineering example proved that the present method was more effective than the safety-judging standard of single intensity factor for blasting vibration.
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