Estimation of particle velocity based on blast event measurements at different rock units

摘要

This paper analyses the results of the peak particle velocity measurements, at the trial, construction and quarry blasting carried out in sediment rock deposits comprising mainly limestone and dolomite. The tests are divided into 3 groups depending on different geological strength index (GSI) values in these rock groups. Based on the results of seismic measurements the empirical relationships between peak particle velocity and scaled distance were established for each group. In order to establish a useful relationship between peak particle velocity and scaled distance, a simple regression analysis was conducted with the Blastware software program from Instantel. The established relationships and the results of those analyses are presented in this paper.