Civil Engineering Reference
In-Depth Information
Table 15.2
Maximum
D
RCM,28
for various cover depths as a function of binder type and environmental class for a design service
life of 100 years
Mean cover [mm]
Maximum value D
RCM, 28
[10
-12
m
2
/s]
CEM I
CEM I+III
25-50% slag
CEM III
50-80% slag
CEM II/B-V
CEM I + 20-30% fly ash
XD1/2/3, XS1
XS2 XS3
XD1/2/3, XS1
XS2 XS3
XD1/2/3,XS1
XS2, XS3
XD1/2/3, XS1
XS2, XS3
35
45
3.0
1.5
2.0
1.0
2.0
1.0
6.5
5.5
40
50
5.5
2.0
4.0
1.5
4.0
1.5
12
10
8.5
6.0
6.0
2.5
18
15
45
55
3.5
2.5
50
60
12
5.0
9.0
3.5
8.5
3.5
26
22
55
65
17
7.0
12
5.0
12
5.0
36
30
60
70
22
9.0
16
6.5
15
6.5
47
39
Note:
Boldface
values are practically achievable by present-day concrete technology with currently used w/b ratios; italic values cannot be achieved by
conventional concrete technology (low values) or are not recommended (high values) as they represent concrete with high w/b ratios.
