Civil Engineering Reference
In-Depth Information
Table 3.2
Optimum values of ineness modulus
Maximum size of aggregate
Weight of cement
280
170
375
225
470
280
565
335
660
390
750
445
850
500
950
560
(lb/yd
3
)
(kg/m
3
)
No.
mm
No. 30
0.60
1.4
1.5
1.6
1.7
1.8
1.9
1.9
2.0
No. 16
1.18
1.9
2.0
2.2
2.3
2.4
2.5
2.6
2.7
N o. 8
2.36
2.5
2.6
2.8
2.9
3.0
3.2
3.3
3.4
N o. 4
4.75
3.1
3.3
3.4
3.6
3.8
3.9
4.1
4.2
⅜
in.
9.5
3.9
4.1
4.2
4.4
4.6
4.7
4.9
5.0
12.5
4.1
4.4
4.6
4.7
4.9
5.0
5.2
5.3
½
in.
19.0
4.6
4.8
5.0
5.2
5.4
5.5
5.7
5.8
¾
in.
1 in.
25.0
4.9
5.2
5.4
5.5
5.7
5.8
6.0
6.1
37.5
5.4
5.6
5.8
6.0
6.1
6.3
6.5
6.6
1
½
in.
2 in.
50.0
5.7
5.9
6.1
6.3
6.5
6.6
6.8
7.0
3 in.
75.0
6.2
6.4
6.6
6.8
7.0
7.1
7.3
7.4
Source: Popovics, S.,
Fundamentals of Portland Cement Concrete, Vol. 1: Fresh Concrete
, John Wiley, Hoboken, NJ, 1982.
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