Study of blasting vibration formula of reflecting amplification effect on elevation

Topography affect greatly propagation of vibration wave under condition of variety of terrains. Through analyzing the physical quantity of blasting vibration, a blasting vibration formula of reflecting amplification effect on elevation is established by means of dimensional analysis. Based on the field test of monitoring blasting vibration, when the site topography changes greatly, the velocity error is large by conventional Sodev's empirical formula, and the average is 42%-59%. The average error of velocity of blasting vibration is respectively 24%-49%, 40%-58%, 58%-59% and 31%-39% with other four practical formulas. The velocity error is small with author's formula of dimensional analysis; and the average error is only 10%-14%. It is shown that the formula of blasting vibration which is established by means of dimensional analysis can accurately predict amplification effect on positive elevation.