Quantcast Table C-37. Minimum Thickness of Polycarbonate (in.) to Survive Incident Overpressure from 500-lb (230-kg) TNT

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MIL-HDBK-1013/12
Table C-37
Minimum Thickness of Polycarbonate (in.) to Survive Incident Overpressure from
500-lb (230-kg) TNT, Aspect Ratio, a/b = 1.0
Standoff Distance,
Plate
ft
Dimensions,
in. (m)
a
b
60
100
200
300
(20 m)
(30 m)
(60 m)
(90 m)
12
12
5/8
3/8
1/4
1/8
(0.30)
(0.30)
(16 mm)
(9 mm)
(6 mm)
(3 mm)
18
18
3/4
1/2
1/4
1/4
(0.45)
(0.45)
(19 mm)
(12 mm)
(6 mm)
(6 mm)
24
24
1
5/8
3/8
1/4
(0.60)
(0.60)
(25 mm)
(16 mm)
(9 mm)
(6 mm)
30
30
1 1/8
3/4
3/8
3/8
(0.75)
(0.75)
(28 mm)
(19 mm)
(9 mm)
(9 mm)
36
36
1 3/8
7/8
1/2
3/8
(0.90)
(0.90)
(35 mm)
(22 mm)
(12 mm)
(9 mm)
42
42
1 1/2
7/8
1/2
3/8
(1.05)
(1.05)
(38 mm)
(22 mm)
(12 mm)
(9 mm)
48
48
1 5/8
1
5/8
1/2
(1.20)
(1.20)
(41 mm)
(25 mm)
(16 mm)
(12 mm)
54
54
1 3/4
1 1/8
5/8
1/2
(1.35)
(1.35)
(44 mm)
(28 mm)
(16 mm)
(12 mm)
60
60
1 7/8
1 1/8
3/4
1/2
(1.50)
(1.50)
(48 mm)
(28 mm)
(19 mm)
(12 mm)
155





 


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