Table D2. Mix data and plastic properties.
Mix #
1
2
3
4
5
6
MB-VR (fl oz/cwt)
0.90
1.40
1.55
1.45
1.40
1.40
Pozzutec 20 (fl oz/cwt)
--
90.00
--
--
--
--
ARL-507 (fl oz/cwt)
--
--
90.00
150.00
--
--
EX-4 (fl oz/cwt)
--
--
--
--
90.00
150.00
Cement (lb/yd)
615
614
614
605
611
607
Sand (lb/yd)
1,256
1,319
1,319
1,300
1,313
1,304
Stone (lb/yd)
1,812
1,807
1,807
1,781
1,798
1,787
Water (lb/yd)
278
248
248
234
254
246
w/c
0.453
0.404
0.404
0.387
0.417
0.406
Water reducer (%)
--
10.80
10.8
15.8
8.6
11.5
Air (%)
4.5
5.0
5.0
7.0
5.0
6.0
Slump (in.)
4.00
5.50
5.00
6.25
4.25
5.00
Table D2a. Hardened properties.
Mix #
1
2
3
4
5
6
MB-VR (fl oz/cwt)
0.90
1.40
1.55
1.45
1.40
1.40
Pozzutec 20 (fl oz/cwt)
--
90.00
--
--
--
--
ARL-507 (fl oz/cwt)
--
--
90.00
150.00
--
--
EX-4 (fl oz/cwt)
--
--
--
--
90.00
150.00
70F Comp. strength
1 day
2,500
3,040
2,580
2,430
2,590
1,910
7 days
4,430
6,360
5,630
5,530
4,820
4,310
28 days
5,520
7,400
6,810
6,490
5,840
5,460
14F Comp. strength
1 day
NA
160
120
100
270
150
7 days
NA
840
420
290
870
730
28 days
NA
1,940
1,830
2,280
1,590
1,700
70F Set time (hr:min)
Initial
4:07
3:28
3:44
3:44
3:05
2:25
Final
5:15
4:26
4:42
4:56
4:06
3:20
14F Set time (hr:min)
Initial
NA
9:02
10:00
9:36
9:03
9:20
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