2-hr samples
0-hr samples
1-hr samples
20000
20000
20000
15000
15000
15000
10000
10000
10000
5000
5000
5000
0
0
0
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
sample numbers
sample numbers
sample numbers
20-hr samples
10-hr samples
20000
20000
15000
15000
10000
10000
5000
5000
0
0
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
sample numbers
sample numbers
Figure 47. Results of boiling test over 0, 1, 2, 10, and 20 hours.
20000
Effect of exposure
18000
16000
14000
12000
10000
0
5
10
15
20
25
Hours
Figure 48. Average values of yield stress after boiling
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