Conference,
IMPROVEMENT OF GROUNDING PROPERTIES BY USING BENTONITE
(1982)
Abstract
Before bentonite was successfuly applied to ~rove
grounding it was first necessary to test its performance
in the laboratory with regard to its specific
resistance, its capacity to absorb and retain the
ooisture, its corrosive effect, the effect of the
low and the high terrperatures, aging and the capability
of absorbing precipitation when ~er is
used. Another very ~rtant property of bentonite
is its resistance to short circuit current and
lightning current.
'lhe research work perforrred on test sites in karst
and sandy terrains yielded factors relating to decrease
of grounding wire and rod resistance and
she7tled resistance as dependent on rreteorological
conditions and the depth of installation,
