Table A6. Chemical composition of admixtures tested in Phase 1, Task C.
Mix
% Solids
Dosage
Slump
no.
Antifreeze admixture formulation
in sol.
(% CWT)
w/c Ratio
(cm)
Remarks
Concrete temp at 18C
1
Control
0
0
0.48
4
Concrete temp at 18C
2
KC1
30
2
0.48
4
Concrete temp at 18C
3
KC1
30
6
0.48
7
Concrete temp at 18C
4
KC1
30
8
0.48
9
Concrete temp at 18C
5
Control
0
0
0.48
4
Concrete temp at 18C
6
CCNDD-5
33
2
0.48
3
Concrete temp at 20C
7
CCNDD-5
33
4
0.48
4
Concrete temp at 21C
8
CCNDD-5
33
6
0.48
4
Concrete temp at 18C
9
Control
0
0
0.48
3
Concrete temp at 18C
10
CC-SONI/NMP
33
2
0.48
2
Concrete temp at 21C
11
CC-SONI/NMP
33
4
0.48
3
Concrete temp at 21C
12
CC-SONI/NMP
33
6
0.48
3
Concrete temp at 18C
13
Control
0
0
0.48
3
Concrete temp at 18C
14
CCD-NMP
33
2
0.48
2
Concrete temp at 18C. Too-fast set.
15
CCD-NMP
33
4
0.48
2
Concrete temp at 18C. Too-fast set.
16
CCD-NMP
33
6
0.48
4
Concrete temp at 18C
17
Control
0
0
0.48
3
Concrete temp at 18C
18
CC-NMP
33
2
0.48
3
Concrete temp at 18C
19
CC-NMP
33
4
0.48
3
Concrete temp at 23C. Too-fast set.
20
CC-NMP
33
6
0.48
1
Table A7. Compressive strength. Task 1D cured at various temperatures.
a. 20C
b. 5C
Compressive strength (psi)
Compressive strength (psi)
Testing age (days)
Testing age (days)
Mix no.
7
14
28
Mix no.
7
14
28
1
4691
5293
5603
1
N/A
N/A
N/A
2
N/A
N/A
N/A
2
N/A
N/A
N/A
3
2855
5800
3489
3
1893
3249
3131
4
3815
4178
4366
4
2613
4494
4866
5
N/A
N/A
N/A
5
N/A
N/A
N/A
6
N/A
N/A
N/A
6
N/A
N/A
N/A
7
3230
5564
6437
7
2490
4419
5116
8
5079
6163
6432
8
1570
3725
4593
9
N/A
N/A
N/A
9
N/A
N/A
N/A
10
N/A
N/A
N/A
10
N/A
N/A
N/A
11
N/A
N/A
N/A
11
N/A
N/A
N/A
12
N/A
N/A
N/A
12
N/A
N/A
N/A
13
N/A
N/A
N/A
13
N/A
N/A
N/A
14
N/A
N/A
N/A
14
N/A
N/A
N/A
15
N/A
N/A
N/A
15
N/A
N/A
N/A
16
N/A
N/A
N/A
16
N/A
N/A
N/A
17
N/A
N/A
N/A
17
N/A
N/A
N/A
18
N/A
N/A
N/A
18
N/A
N/A
N/A
19
N/A
N/A
N/A
19
N/A
N/A
N/A
20
N/A
N/A
N/A
20
N/A
N/A
N/A
27
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