When excavating a tunnel, blasting may cause damage in houses in the neighborhood. It is important to keep the tremor caused by the blasting under control. To this end, tremor is measured. There were 4 devices to measure tremor. They were moved to different locations while the excavation advanced.
A data frame with 388 observations on the following 7 variables.
number of blasting
date and time of the blasting
charge (loading) in kg
between place of blasting and location
measured in mm/s
house in which tremor was measured
Basler \& Hofmann, Zurich
1 2 3
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