APPENDIX D: PHASE II, CONCRETE TESTING RESULTS
Table D1. Mix data and plastic properties.
Mix #
1
2
3
4
5
6
MB-VR (fl oz/cwt)
0.90
1.30
1.35
1.20
1.35
1.35
Pozzutec 20 (fl oz/cwt)
--
90.00
150.00
--
--
--
ARL-506 (fl oz/cwt)
--
--
--
90.00
150.00
--
ARL-507 (fl oz/cwt)
--
--
--
--
--
90.00
Cement (lb/yd)
612
612
608
619
613
609
Sand (lb/yd)
1,250
1,314
1,305
1,329
1,317
1,308
Stone (lb/yd)
1,801
1,800
1,788
1,820
1,804
1,791
Water (lb/yd)
258
244
243
247
244
243
w/c
0.422
0.399
0.400
0.399
0.398
0.399
Water reducer (%)
--
5.4
5.8
4.3
5.4
5.8
Air (%)
6.2
5.6
6.2
4.5
5.4
6.0
Slump (in.)
5.00
8.00
9.00
7.50
6.25
7.50
Table D1a. Hardened properties.
Mix #
1
2
3
4
5
6
MB-VR (fl oz/cwt)
0.90
1.30
1.35
1.20
1.35
1.35
Pozzutec 20 (fl oz/cwt)
--
90.00
150.00
--
--
--
ARL-506 (fl oz/cwt)
--
--
--
90.00
150.00
--
ARL-507 (fl oz/cwt)
--
--
--
--
--
90.00
70F Comp. strength
1 day
2,320
3,270
2,850
3,240
3,060
2,490
7 days
3,780
4,900
5,200
5,620
5,230
4,720
28 days
4,710
6,550
6,600
6,500
6,250
5,930
14F Comp. strength
1 day
NA
190
120
380
250
50
7 days
NA
530
510
470
410
170
28 days
NA
910
1,170
920
1,060
420
70F Set time (hr:min)
Initial
3:56
3:41
3:34
2:48
2:30
4:03
Final
5:21
4:36
4:21
3:25
3:09
4:49
14F Set time (hr:min)
Initial
NA
9:02
9:10
7:29
7:31
9:27
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