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 MIL-HDBK-1013/12
Table C-5
Minimum Thickness of Thermally Tempered Glass (in.) to Survive Incident
Overpressure from 220-lb TNT, Aspect Ratio, a/b = 1.0
Standoff Distance (ft)
Plate
Dimensions
(in.)
a
b
60
100
200
300
12
12
1/4,
1/8
1/8,
1/8
1/8,
1/8
1/8,
1/8
18
18
3/8,
1/4
1/4,
1/8
1/8,
1/8
1/8,
1/8
24
24
3/8,
3/8
1/4,
1/4
1/8,
1/8
1/8,
1/8
30
30
1/2,
1/2
3/8,
1/4
1/4,
1/8
1/8,
1/8
36
36
3/8,
3/8,
3/8
3/8,
3/8
1/4,
1/8
1/8,
1/8
42
42
1/2,
3/8,
3/8
3/8,
3/8
1/4,
1/8
1/4,
1/8
48
48
1/2,
1/2,
3/8
1/2,
3/8
1/4,
1/4
1/4,
1/8
54
54
1/2,
1/2,
1/2
1/2,
1/2
3/8,
1/4
1/4,
1/8
60
60
5/8,
1/2,
1/2
1/2,
1/2
3/8,
1/4
1/4,
1/8
Table C-6
Minimum Thickness of Thermally Tempered Glass (mm) to Survive Incident
Overpressure from 100-kg TNT, Aspect Ratio, a/b = 1.0
Plate
Standoff Distance (m)
Dimensions
(m)
a
b
20
30
60
90
0.30
0.30
6, 3
3, 3
3,
3
3,
3
0.45
0.45
9, 6
6, 3
3,
3
3,
3
0.60
0.60
9, 9
6, 6
3,
3
3,
3
0.75
0.75
12, 12
9, 6
6,
3
3,
3
0.90
0.90
9, 9, 9
9, 9
6,
3
3,
3
1.05
1.05
12, 9, 9
9, 9
6,
3
6,
3
1.20
1.20
12, 12, 9
12, 9
6,
6
6,
3
1.35
1.35
12, 12, 12
12, 12
9,
6
6,
3
1.50
1.50
16, 12, 12
12, 12
9,
6
6,
3
139
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