Abstract
Vibration monitoring of blasting for rock excavation has been undertaken at a number of large hydroelectric and other construction sites in Canada. This paper presents the relationships between vibration measurements and intensity of blasting at different project sites. These are related to rock type, blasting procedure, and other variables where applicable. The manner in which the results of monitoring were used to assess the possibilities of damage to adjacent structures, and to determine acceptable blasting intensities to control overbreak is discussed. Various blasting and damage criteria are reviewed.
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