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the O |
anodes O |
could O |
be O |
remotely O |
disconnected O |
. O |
The O |
control O |
unit O |
was O |
from O |
Electrotech O |
CP O |
and O |
operated O |
via O |
a O |
broadband B-Process |
connection I-Process |
provided O |
by O |
the O |
contractor O |
. O |
An O |
innovative O |
sound B-Material |
wall I-Material |
system I-Material |
was O |
developed O |
in O |
the O |
University O |
of O |
Western O |
Ontario O |
, O |
and O |
was O |
examined O |
to O |
serve O |
as O |
a O |
vertical O |
extension O |
to O |
the O |
existing B-Material |
sound I-Material |
walls I-Material |
. O |
The O |
wall B-Material |
system I-Material |
( O |
denoted O |
as O |
flexi-wall B-Material |
) O |
consists O |
of O |
stay-in-place B-Material |
poly-blocks I-Material |
as O |
formwork O |
, O |
light B-Material |
polyurethane I-Material |
foam I-Material |
( O |
LPF B-Material |
) O |
reinforced O |
with O |
steel B-Material |
rebars I-Material |
as O |
structural B-Material |
cores I-Material |
and O |
polyurea B-Material |
as O |
a O |
coating B-Process |
of O |
the O |
wall B-Material |
surfaces I-Material |
( O |
Fig. O |
1 O |
) O |
. O |
Poly-blocks B-Material |
are O |
interlocking B-Material |