Custom Search
|
|
|
|
||
|
||
 MIL-HDBK-1013/12
Table C-43
Minimum Thickness of Polycarbonate (in.) to Survive Incident Overpressure from
50-lb (23-kg) TNT, Aspect Ratio, a/b = 2.0
Standoff Distance,
Plate
ft
Dimensions,
in. (m)
a
b
60
100
200
300
(20 m)
(30 m)
(60 m)
(90 m)
24
12
3/8
1/4
1/8
1/8
(0.60)
(0.30)
(9 mm)
(6 mm)
(3 mm)
(3 mm)
36
18
3/8
1/4
1/4
1/4
(0.90)
(0.45)
(9 mm)
(6 mm)
(6 mm)
(6 mm)
48
24
1/2
3/8
1/4
1/4
(1.20)
(0.60)
(12 mm)
(9 mm)
(6 mm)
(6 mm)
60
30
5/8
3/8
3/8
1/4
(1.50)
(0.75)
(16 mm)
(9 mm)
(9 mm)
(6 mm)
72
36
5/8
1/2
3/8
3/8
(1.80)
(0.90)
(16 mm)
(12 mm)
(9 mm)
(9 mm)
84
42
5/8
1/2
3/8
3/8
(2.10)
(1.05)
(16 mm)
(12 mm)
(9 mm)
(9 mm)
Table C-44
Minimum Thickness of Polycarbonate (in.) to Survive Incident Overpressure from
220-lb (100-kg) TNT, Aspect Ratio, a/b = 2.0
Plate
Standoff Distance,
Dimensions,
ft
in. (m)
a
b
60
100
200
300
(20 m)
(30 m)
(60 m)
(90 m)
24
12
5/8
3/8
1/4
1/4
(0.60)
(0.30)
(16 mm)
(9 mm)
(6 mm)
(6 mm)
36
18
3/4
1/2
1/4
1/4
(0.90)
(0.45)
(19 mm)
12 mm)
(6 mm)
(6 mm)
48
24
7/8
1/2
3/8
1/4
(1.20)
(0.60)
(22 mm)
(12 mm)
(9 mm)
(6 mm)
60
30
1
5/8
3/8
3/8
(1.50)
(0.75)
(25 mm)
(16 mm)
(9 mm)
(9 mm)
72
36
1 1/8
3/4
1/2
3/8
(1.80)
(0.90)
(28 mm)
(19 mm)
(12 mm)
(9 mm)
84
42
1 1/8
3/4
1/2
1/2
(2.10)
(1.05)
(31 mm)
(19 mm)
(12 mm)
(12 mm)
161
|
 
|
|
|
||
