16
12
8
4
Dry
Normal
Wet
0
0
50
100
150
200
250
Time After Mortar Placed on Brick (min)
a. 20C units.
16
12
8
4
Dry
Normal
Wet
0
0
50
100
150
200
250
Time After Mortar Placed on Brick (min)
b. 5C units
Figure 6. Effect of unit moisture on mortar moisture loss using 20C and
5C units. Mortar (MC-M) and air temperatures are 5C.
16
Cured in
Cured out of
12
Bag
Bag
Prism A (in sealed bag)
8
Prism B (in vented bag)
4
0
0
400
800
1200
1600
2000
Time After Mortar Placed on Brick (min)
Figure 7. Effect of bagged test condition on test no. 14. Units and mortar
(MC-M) at 20C, air temperature of 5C.
9
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