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RESEARCH ON SEISMIC WAVE INTERFERENCE EFFECT OF MILLISECOND BLASTING

Hongwei Lu

Open publisher page 3 citations

Abstract

Millisecond blasting has been widely used in engineering practice,but the mechanism of this technique is still not very clear and no accurate research production has been obtained by now.And therefore,at present,the calculation of the delay time of millisecond blasting is more made for obtaining better blasting effect.Based on the theory that the interference of seismic waves each other has a function of vibration reduction,the paper studied the delay time and proposed reasonable calculating methods.The result was confirmed by tests on site through using the method of wavelet energy-transform to recognize the delay time of detonators.The paper laid a theoretical base for the control of blasting vibration in millisecond blasting engineering.

About this research paper

What this paper is about

Millisecond blasting has been widely used in engineering practice,but the mechanism of this technique is still not very clear and no accurate research production has been obtained by now.And therefore,at present,the calculation of the delay time of millisecond blasting is more made for obtaining better blasting effect.Based on the theory that the interference of seismic waves each other has a function of vibration reduction,the paper studied the delay time and proposed reasonable calculating methods.The result was confirmed by tests on site through using the method of wavelet energy-transform to recognize the delay time of detonators.The paper laid a theoretical base for the control of blasting vibration in millisecond blasting engineering.

Why it matters

OpenAlex reports 3 citations for this work. Citation counts describe recorded attention and do not establish research quality.

Key contribution

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Method / approach

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Available abstract

Millisecond blasting has been widely used in engineering practice,but the mechanism of this technique is still not very clear and no accurate research production has been obtained by now.And therefore,at present,the calculation of the delay time of millisecond blasting is more made for obtaining better blasting effect.Based on the theory that the interference of seismic waves each other has a function of vibration reduction,the paper studied the delay time and proposed reasonable calculating methods.The result was confirmed by tests on site through using the method of wavelet energy-transform to recognize the delay time of detonators.The paper laid a theoretical base for the control of blasting vibration in millisecond blasting engineering.

Key concepts: Millisecond, Detonator, Rock blasting, Interference (communication), Seismic wave, Engineering, Vibration, Energy (signal processing)

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