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《Engineering Blasting》 2009-01
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DISCUSSION ON CALCULATION FORMULA OF COLLAPSING VIBRATION VELOCITY CAUSED BY BLASTING DEMOLITION

ZHOU Jia-han(Chinese Academy of Sciences,Institute of Mechanics,Beijing 100190,China)  
The author,regarding the method of predicting collapsing vibration velocity of high chimney or building during blasting demolition,reviewed the formulas for calculating the collapsing vibration velocity given in references and discussed the formula in terms of its physical significance and its parameter selection for clarifying the discrepancy quoted.The paper explained some applicable formulas and discussed the selection of parameters by taking some practical engineering instances for the calculation of collapsing vibration velocity,and with a statement supported by real time data measurement that the intensity of collapsing vibration velocity could be reduced by about 70% when vibration reduction method was adopted.
【CateGory Index】: TU746.5
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