Geosense VWNPC-3000, Инструкция по эксплуатации

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13
V1.4 March 15
5.1.3 Radial cell (VWNPC
-
3010)
STEP 5
-
Install re
-
bar sections or nails
adjacent to the cell location so that the radial
cell can be attached to them.
STEP 6
-
make a pad of quick setting mortar
onto the surface of the tunnel wall.
STEP 7
-
place the VWNPC
-
3010 radial
stress cell onto the pad and press firmly so
that mortar is displaced from underneath it to
eliminate any air bubbles or spaces between
the cell and the ground.
STEP 8
-
carefully bend the pressure tube so
that it will protrude out of the shotcrete lining.
STEP 9
-
tie to the re
-
bars using soft iron wire
connected to the lugs at the corners of the
cell.
STEP 10
-
fix the cable firmly to other pieces
of rebar or to the reinforcing mesh (if one is
used) and feed out to the readout location
which typically is within a junction box.
The cable is terminated inside this box.
Sufficient cable should be coiled inside the
box to allow it to be pulled out and connected
to a portable readout box.