Figure 3 drying in two directions – Vaisala SHM40 User Manual
Page 19
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Chapter 3 ____________________________________________ Humidity Measurement in Concrete
VAISALA _______________________________________________________________________ 17
d
hole for the
plastic tube
humidity
profile
0,4 × d
concrete
slab
BEFORE COATING
AFTER COATING
concrete
slab
hole for the
plastic tube
humidity
profile
coating
d
0,4 × d
1111-093
Figure 2
Drying in One Direction
In concrete slabs drying in two directions, the humidity is highest in the
middle of the slab. After coating, the slab is driest on the uncoated side.
concrete
slab
hole for the
plastic tube
humidity
profile
d
0,2 × d
BEFORE COATING
humidity
profile
hole for the
plastic tube
coating
d
0,2 × d
concrete
slab
AFTER COATING
1111-094
Figure 3
Drying in Two Directions
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