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 MIL-HDBK-1013/12
Table C-9
Minimum Thickness of Thermally Tempered Glass (in.) to Survive Incident
Overpressure from 1000-lb TNT, Aspect Ratio, a/b = 1.0
Standoff Distance (ft)
Plate
Dimensions
(in.)
a
b
60
100
200
300
12
12
3/8,
3/8
1/4,
1/8
1/8,
1/8
1/8,
1/8
18
18
5/8,
1/2
3/8,
1/4
1/4,
1/8
1/8,
1/8
24
24
3/4,
3/4
1/2,
3/8
1/4,
1/8
1/4,
1/8
30
30
5/8,
5/8, 5/8
1/2,
1/2
3/8,
1/8
1/4,
1/8
36
36
3/4,
3/4, 3/4
5/8,
1/2
3/8,
1/4
1/4,
1/8
42
42
5/8,
5/8, 5/8,
3/4,
5/8
3/8,
3/8
1/4,
1/4
5/8
48
48
3/4, 3/4, 5/8, 3/4, 3/4
3/8, 3/8
3/8,
1/8
5/8
5/8, 5/8, 5/8, 5/8, 1/2, 1/2
1/2, 3/8
3/8,
1/4
54
54
5/8, 5/8
60
60
3/4, 3/4, 3/4, 5/8, 5/8, 5/8
1/2, 1/2
3/8,
1/4
5/8, 5/8
Cross-section is too thick for typical security frame,
requires
special consideration.
141
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