Quantcast Table C-40. Minimum Thickness of Polycarbonate (in.) to Survive Incident Overpressure from 220-lb (100-kg) TNT

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MIL-HDBK-1013/12
Table C-40
Minimum Thickness of Polycarbonate (in.) to Survive Incident Overpressure from
220-lb (100-kg) TNT, Aspect Ratio, a/b = 1.5
Standoff Distance,
Plate
ft
Dimensions,
in. (m)
a
b
60
100
200
300
(20 m)
(30 m)
(60 m)
(90 m)
18
12
1/2
3/8
1/4
1/8
(0.45)
(0.30)
(12 mm)
(9 mm)
(6 mm)
(3 mm)
27
18
5/8
3/8
1/4
1/4
(0.68)
(0.45)
(16 mm)
(9 mm)
(6 mm)
(6 mm)
36
24
3/4
1/2
3/8
1/4
(0.90)
(0.60)
(19 mm)
(12 mm)
(9 mm)
(6 mm)
45
30
7/8
5/8
3/8
3/8
(1.12)
(0.75)
(22 mm)
(16 mm)
(9 mm)
(9 mm)
54
36
1
5/8
1/2
3/8
(1.35)
(0.90)
(25 mm)
(16 mm)
(12 mm)
(9 mm)
63
42
1 1/8
3/4
1/2
3/8
(1.58)
(1.05)
(28 mm)
(19 mm)
(12 mm)
(9 mm)
72
48
1 1/4
7/8
1/2
1/2
(2.25)
(1.50)
(32 mm)
(22 mm)
(12 mm)
(12 mm)
158





 


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