Abstract: Blasting vibration is one of the three major hazards of blasting.It can make industrial buildings and civil buildings around the blasting area damaged,resulting in serious blasting hazards.In order to explore the law of vibration wave propagation in production blasting in Hejia mining area of Gongchangling open-pit iron mine and the impact on the surrounding environment to control the negative effects of blasting vibration,the fixed point observation on the production blasting is made to monitor the area between the blasting areas and near the village,obtaining the blasting seismic wave data.The parameters of particle vibration velocity at blasting point,blasting frequency and duration time are analyzed in detail.The analysis results show that blasting seismic effect during the mining blasting is weak,so the blasting vibration has little harm to the residents' houses around Hejia mining area.The linear regression of the data is realized by using the least squares method,obtaining the particle vibration velocity empirical formula,which provides the reference for determining the maximum charge at the same interval in different blasting area,and predicting and controlling the blasting vibration intensity.

Key words: Blasting vibration, Propagation law, Least squares method, Particle vibration velocity