Quantcast Table C-20. Minimum Thickness of Thermally Tempered Glass (mm) to Survive Incident Overpressure from 23-kg TNT

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MIL-HDBK-1013/12
Table C-20
Minimum Thickness of Thermally Tempered Glass (mm) to Survive Incident
Overpressure from 23-kg TNT, Aspect Ratio, a/b = 2.0
Standoff Distance (m)
Plate
Dimensions
(m)
a
b
20
30
60
90
0.60
0.30
6, 3
3,
3
3,
3
3,
3
0.90
0.45
6, 6
6,
3
3,
3
3,
3
1.20
0.60
9, 6
6,
6
3,
3
3,
3
1.50
0.75
9, 9
6,
6
3,
3
3,
3
1.80
0.90
12, 9
9,
6
3,
3
3,
3
2.10
1.05
12, 12
9,
6
6,
3
3,
3
Table C-21
Minimum Thickness of Thermally Tempered Glass (in.) to Survive Incident
Overpressure from 220-lb TNT, Aspect Ratio, a/b = 2.0
Plate
Standoff Distance (ft)
Dimensions
(in.)
a
b
60
100
200
300
24
12
3/8,
1/4
1/4,
1/8
1/8,
1/8
1/8,
1/8
36
18
1/2,
3/8
3/8,
1/4
1/4,
1/8
1/8,
1/8
48
24
5/8,
1/2
3/8,
3/8
1/4,
1/8
1/8,
1/8
60
30
3/4,
5/8
1/2,
3/8
1/4,
1/4
1/4,
1/8
72
36
3/4,
3/4
1/2,
1/2
3/8,
1/4
1/4,
1/8
84
42
5/8,
5/8, 1/2
5/8,
5/8
3/8,
1/4
1/4,
1/8
Table C-22
Minimum Thickness of Thermally Tempered Glass (mm) to Survive Incident
Overpressure from 100-kg TNT, Aspect Ratio, a/b = 2.0
Plate
Standoff Distance (m)
Dimensions
(m)
a
b
20
30
60
90
0.60
0.30
9, 6
6, 3
3,
3
3,
3
0.90
0.45
12, 9
9, 6
6,
3
3,
3
1.20
0.60
16, 12
9, 9
6,
3
3,
3
1.50
0.75
19, 16
12, 9
6,
6
6,
3
1.80
0.90
19, 19
12, 12
9,
6
6,
3
2.10
1.05
16, 16, 12
16, 16
9,
6
6,
3
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