d.blast {regr0} | R Documentation |
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.
data(d.blast)
A data frame with 388 observations on the following 7 variables.
no
number of blasting
datetime
date and time of the blasting
device
measurement device
charge
charge (loading) in kg
distance
between place of blasting and location
tremor
measured in mm/s
location
house in which tremor was measured
Basler \& Hofmann, Zurich
data(d.blast) doc(d.blast) coplot(log10(tremor)~distance|charge*location, data=d.blast)