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Forensic Engineering Fundamentals
book

Forensic Engineering Fundamentals

by Harold Franck, Darren Franck
December 2012
Beginner to intermediate content levelBeginner to intermediate
487 pages
17h
English
CRC Press
Content preview from Forensic Engineering Fundamentals
80 Forensic Engineering Fundamentals
When seismographs are not used to monitor vibrations, a safe blasting formula
is used:
DKW= ()
/12
(3.11)
where
D is the safe blasting distance from structure to blast hole
K is the scaling factor = 55 /lb
1/2
for structures between 301 and 5000  from the blast
W is the charge weight per delay
e scaling factor varies depending on the distance to the blast. At a distance less than
301 , the scaling factor reduces to 50 /lb
1/2
. e scaling factor corresponding to a dis-
tance greater than 5000  is 65 /lb
1/2
.
Heavy Equipment Vibrations
Heavy equipment, such as jack hammers, large trucks, and roller compactors ca ...
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Publisher Resources

ISBN: 9781439878392