APPENDIX C: FLEXURAL STRENGTH DATA FOR ALL SAMPLES TESTED
Flexural test data
Storage
Storage
Disk
Maximum
Maximum
Flexural
Average
Sample
time
temp
Density
thickness
deflection
load
strength
Normalized
normalized Standard
(C)
(kg/m3)
no.
(days)
(cm)
(mm)
(kg)
(MPa)
strength
strength
Deviation
102a
1
10
860
1.64
0.5
63.2
4.83
3.1
102b
1
10
860
1.73
0.6
64.6
4.45
2.9
87a
1
10
860
1.71
0.5
75.3
5.26
3.4
87b
1
10
860
1.60
0.6
35.7
2.86
1.9
90a
1
10
840
1.70
0.7
65.8
4.67
3.0
90b
1
10
840
1.58
0.9
43.9
3.63
2.4
93a
1
10
850
1.63
0.3
50.7
3.93
2.6
93b
1
10
850
1.55
0.4
43.7
3.73
2.4
2.7
0.5
86a
1
15
840
1.70
0.5
54.0
3.83
2.5
86b
1
15
840
1.65
0.3
46.8
3.52
2.3
89a
1
15
850
1.70
0.5
59.8
4.24
2.8
89b
1
15
850
1.70
0.6
58.6
4.16
2.7
92a
1
15
840
1.76
0.4
54.8
3.61
2.3
92b
1
15
840
1.68
0.5
59.1
4.32
2.8
98a
1
15
850
1.70
0.4
67.5
4.79
3.1
98b
1
15
850
1.66
0.4
55.2
4.10
2.7
2.6
0.3
100a
1
25
880
1.60
0.4
59.6
4.77
3.1
85a
1
25
840
1.53
0.3
43.4
3.83
2.5
85b
1
25
840
1.64
0.6
60.1
4.59
3.0
88a
1
25
850
1.58
0.5
42.2
3.49
2.3
88b
1
25
850
1.65
0.3
57.7
4.34
2.8
88c
1
25
850
1.43
0.4
32.1
3.24
2.1
97a
1
25
880
1.66
0.3
56.4
4.19
2.7
97b
1
25
880
1.54
0.3
40.0
3.47
2.3
2.6
0.4
69a
5
10
860
1.65
0.4
61.3
4.61
3.0
69b
5
10
860
1.53
0.4
42.7
3.76
2.4
72a
5
10
880
1.60
0.3
51.4
4.11
2.7
72b
5
10
880
1.59
0.4
58.4
4.75
3.1
75a
5
10
870
1.50
0.4
54.0
4.92
3.2
75b
5
10
870
1.70
0.5
70.9
5.03
3.3
84a
5
10
890
1.66
0.4
62.0
4.60
3.0
84b
5
10
890
1.66
0.5
75.5
5.60
3.6
3.0
0.4
68a
5
15
850
1.63
0.4
77.9
6.05
3.9
68b
5
15
850
1.70
0.5
62.2
4.41
2.9
71a
5
15
850
1.70
0.4
34.0
2.41
1.6
71b
5
15
850
1.73
0.7
1.2
0.08
0.1
77a
5
15
860
1.70
0.5
71.2
5.05
3.3
77b
5
15
860
1.79
0.4
74.6
4.78
3.1
80a
5
15
870
1.69
0.5
58.9
4.24
2.8
80b
5
15
870
1.61
0.4
62.0
4.89
3.2
2.6
1.2
67a
5
25
870
1.70
0.6
71.6
5.08
3.3
73a
5
25
850
1.73
0.4
53.3
3.67
2.4
73b
5
25
850
1.61
0.3
46.6
3.67
2.4
76a
5
25
860
1.53
0.5
53.8
4.74
3.1
76b
5
25
860
1.68
0.5
74.3
5.43
3.5
79a
5
25
890
1.68
0.8
76.9
5.62
3.7
79b
5
25
890
1.59
0.6
65.4
5.32
3.5
3.1
0.5
48a
10
10
810
1.53
0.4
35.0
3.08
2.0
48b
10
10
810
1.71
0.4
58.1
4.06
2.6
54a
10
10
820
1.56
0.4
55.0
4.62
3.0
54b
10
-10
820
1.73
0.5
57.7
3.97
2.6
57a
10
10
840
1.70
0.4
58.6
4.16
2.7
57b
10
10
840
1.68
0.4
55.7
4.07
2.6
60a
10
10
820
1.63
0.4
61.3
4.76
3.1
60b
10
10
820
1.68
0.5
46.6
3.40
2.2
2.6
0.4
21
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