APPENDIX C: PHASE II, MORTAR SCREENING RESULTS
Table C1. Mortar mix results, 90 fl oz/cwt dosage.
Compressive strength
Reference
Reference
Reference
Initial
Final
mix
mix
mix
Admixture
set
set
1 day
(%)
3 days
(%)
28 days
(%)
Plain
4:10
7:20
364
100
520
100
3,201
100
ARL-506
3:25
8:00
259
71
1,134
218
6,251
195
ARL-507
3:15
8:05
144
40
276
53
5,231
163
Pozzutec 20
2:50
7:15
185
51
786
151
5,710
178
EX-1
3:30
8:55
246
68
1,075
207
7,089
221
EX-2
3:40
8:40
228
63
833
160
6,749
211
EX-3
3:55
8:10
216
59
1,018
196
5,840
182
EX-4
3:45
7:40
428
118
1,159
223
5,611
175
EX-5D
3:40
7:25
309
85
1,193
229
6,208
194
EX-6
3:55
8:15
200
55
568
109
6,616
207
EX-7
3:25
7:55
163
45
604
116
5,209
163
500 g cement
1375 g sand
212.7 mL water (reference mix: 242 mL)
29.3 mL (90 fl oz/cwt) admixture
Ambient mix room temperature @ 50F (10C)
Ambient curing temperature @ 35F (2C)
Table C1a. Mortar mix results, 240 fl oz/cwt dosage.
Compressive strength
Reference
Reference
Reference
Initial
Final
mix
mix
mix
Admixture
set
set
3 days
(%)
7 days
(%)
28 days
(%)
Plain
3:40
9:00
0
na
1,114
100
4,448
100
ARL-506
3:05
6:00
no samples
ARL-507
7:10
0
na
943
85
2,055
46
Pozzutec 20
5:40
10:15
0
na
436
39
999
22
EX-1
3:00
1,680
na
3,684
331
5,054
114
EX-2
3:05
6:30
925
na
2,815
253
5,989
135
EX-3
2:20
8:00
1,326
na
4,051
364
7,428
167
EX-4
2:15
7:25
1,115
na
3,721
334
6,693
150
EX-5D
2:15
7:20
1,186
na
2,663
239
6,144
138
EX-6
2:05
10:45
0
na
1,473
132
4,285
96
EX-7
1:55
6:10
788
na
2,569
231
5,466
123
550 g cement
1513 g sand
180.1 mL water (reference mix: 266.2 mL)
86.1 mL (240 fl oz/cwt) admixture
Ambient mix room temperature @ 50F (10C)
Ambient curing temperature @ 35F (2C)
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