Таблица 3
Толщина защиты из
бетона
(в см) в зависимости от кратности
ослабления и энергии гамма-излучения
(широкий пучек; p
= 2,3 г/см3 )
Кратность ослабления
k |
Энергия гамма-излучения
hg
, Мэв |
0,1 |
0,2 |
0,3 |
0,4 |
0,5 |
0,6 |
0,7 |
0,8 |
0,9 |
1,0 |
1.5 |
2,6 |
4,7 |
6.3 |
7.5 |
8.2 |
8.2 |
8.2 |
8.3 |
8.3 |
8.5 |
2 |
4,7 |
7,6 |
9.9 |
11.3 |
12.3 |
12.4 |
12.4 |
12.6 |
12.7 |
12.9 |
5 |
5,6 |
11,0 |
15.5 |
18.8 |
21.1 |
21.8 |
22.3 |
22.6 |
23.0 |
23.5 |
8 |
7,0 |
12,9 |
17.8 |
22.0 |
24.6 |
25.6 |
26.4 |
27.2 |
27.9 |
28.8 |
10 |
8,2 |
14,6 |
19.7 |
23.7 |
25.8 |
26.8 |
27.6 |
28.4 |
29.1 |
29.9 |
20 |
8,2 |
15,3 |
21.4 |
25.8 |
29.9 |
31.9 |
33.6 |
35.0 |
36.2 |
37.0 |
30 |
8,5 |
16,4 |
22.8 |
27.7 |
32.9 |
34.8 |
36.4 |
37.8 |
39.2 |
40.5 |
40 |
8,5 |
17,6 |
24.2 |
29.6 |
34.0 |
36.2 |
37.9 |
39.6 |
41.3 |
42.8 |
50 |
9,9 |
18,8 |
25.1 |
30.8 |
35.0 |
37.6 |
39.4 |
41.2 |
42.8 |
44.6 |
60 |
11,0 |
20,0 |
26.1 |
31.7 |
36.4 |
38.5 |
40.5 |
42.5 |
44.1 |
45.8 |
80 |
11,5 |
20,4 |
27.7 |
33.6 |
38.7 |
41.1 |
43.0 |
44.8 |
46.5 |
48.1 |
100 |
11,5 |
21,1 |
28.9 |
35.2 |
39.9 |
43.0 |
45.3 |
47.2 |
48.8 |
50.5 |
2*102 |
12,7 |
23,5 |
32.4 |
39.2 |
44.6 |
47.9 |
50.5 |
52.6 |
54.6 |
56.4 |
5*102 |
13,8 |
24,6 |
35.2 |
43.9 |
50.5 |
54.5 |
57.3 |
58.8 |
62.5 |
64.6 |
103 |
15,5 |
28,2 |
39.2 |
48.1 |
55.2 |
59.2 |
62.5 |
65.3 |
67.8 |
70.4 |
2*103 |
17,6 |
30,5 |
2.3 |
52.4 |
59.9 |
64.1 |
67.4 |
70.4 |
73.2 |
5.7 |
5*103 |
18,8 |
33,1 |
45.6 |
56.4 |
65.7 |
70.0 |
74.0 |
77.0 |
80.2 |
82.8 |
104 |
18,8 |
35,2 |
48.5 |
60.3 |
69.3 |
74.7 |
79.1 |
82.9 |
85.2 |
89.2 |
2*104 |
21,1 |
38,4 |
51.9 |
63.4 |
72.8 |
78.2 |
83.1 |
87.3 |
91.1 |
94.5 |
5*104 |
23,3 |
42,3 |
56.4 |
68.6 |
78.1 |
83.4 |
88.7 |
93.4 |
97.9 |
102.1 |
105 |
30,5 |
50,5 |
64.6 |
75.1 |
82.8 |
88.3 |
93.5 |
98.1 |
102.5 |
106.8 |
2*105 |
38,3 |
56,7 |
69.8 |
79.4 |
86.9 |
92.4 |
97.7 |
102.8 |
108.0 |
112.7 |
5*105 |
44,8 |
61,5 |
73.7 |
83.7 |
91.6 |
98.1 |
103.9 |
109.5 |
114.8 |
119.7 |
106 |
49,3 |
66,4 |
79.8 |
89.8 |
97.4 |
103.7 |
109.2 |
114.1 |
119.5 |
124.4 |
2*106 |
67,6 |
73,1 |
84.5 |
93.3 |
101.0 |
107.4 |
113.6 |
119.7 |
125.6 |
131.5 |
5*106 |
59,4 |
79,7 |
91.6 |
10.6 |
106.0 |
114.1 |
120.2 |
126.0 |
113.7 |
133.8 |
107 |
64,0 |
84,9 |
95.7 |
130.7 |
110.3 |
117.4 |
123.6 |
130.0 |
136.2 |
142.0 |
Продолжение
таблицы 3
Кратность ослабления
k |
Энергия гамма-излучения
hg
, Мэв |
1.25 |
1.5 |
1.75 |
2 |
2.2 |
3 |
4 |
6 |
8 |
10 |
1.5 |
8.6 |
8.7 |
8.7 |
8.8 |
8.9 |
9.4 |
10.0 |
11.7 |
11.7 |
11.7 |
2 |
13.3 |
13.6 |
13.8 |
14.1 |
14.3 |
15.3 |
16.4 |
18.8 |
18.8 |
18.8 |
5 |
24.6 |
25.8 |
27.0 |
28.2 |
29.4 |
32.9 |
35.2 |
38.7 |
39.3 |
39.9 |
8 |
39.5 |
32.2 |
33.8 |
35.2 |
36.4 |
39.9 |
43.4 |
48.1 |
48.7 |
49.3 |
10 |
31.9 |
34.0 |
35.9 |
37.6 |
39.0 |
43.4 |
47.5 |
54.6 |
52.8 |
54.0 |
20 |
39.9 |
42.5 |
44.8 |
47.0 |
48.6 |
54.0 |
58.7 |
64.6 |
65.7 |
69.3 |
30 |
43.7 |
46.5 |
49.3 |
51.6 |
53.5 |
59.9 |
65.7 |
71.6 |
72.8 |
78.1 |
40 |
45.3 |
49.8 |
52.8 |
55.2 |
57.3 |
64.0 |
69.8 |
77.5 |
79.2 |
84.5 |
50 |
48.5 |
52.1 |
55.2 |
58.1 |
60.1 |
66.9 |
72.8 |
81.6 |
83.9 |
89.8 |
60 |
50.1 |
54.0 |
57.5 |
60.5 |
62.7 |
69.8 |
74.0 |
85.1 |
88.0 |
93.9 |
80 |
52.4 |
56.4 |
59.9 |
63.4 |
65.7 |
74.0 |
81.0 |
90.4 |
93.9 |
100.4 |
100 |
54.5 |
58.3 |
62. |
65.7 |
68.6 |
77.5 |
84.5 |
95.1 |
98.0 |
105.1 |
2*102 |
60.8 |
65.3 |
69.7 |
74.0 |
77.2 |
88.0 |
95.7 |
108.0 |
112.1 |
120.9 |
5*102 |
69.8 |
74.8 |
79.8 |
84.5 |
88.5 |
101.0 |
110.4 |
124.4 |
129.7 |
139.7 |
103 |
76.1 |
81.7 |
87.6 |
92.7 |
97.0 |
110.9 |
120.9 |
137.9 |
143.2 |
155.0 |
2*103 |
82.2 |
88.5 |
94.6 |
100.4 |
104.0 |
120.9 |
132.1 |
150.3 |
156.1 |
168.5 |
5*103 |
90.2 |
97.4 |
104.2 |
10.9 |
115.5 |
132.7 |
146.8 |
166.7 |
173.8 |
186.7 |
104 |
97.2 |
104.5 |
111.5 |
118.6 |
124.7 |
143.2 |
156.7 |
179.0 |
187.8 |
201.3 |
2*104 |
102.7 |
110.8 |
118.6 |
126.2 |
131.7 |
152.6 |
167.3 |
190.8 |
201.9 |
216.0 |
5*104 |
11.5 |
120.4 |
128.4 |
136.2 |
142.0 |
164.9 |
181.4 |
206.6 |
218.4 |
233.6 |
105 |
116.9 |
126.6 |
135.7 |
144.4 |
150.7 |
173.8 |
191.4 |
218.4 |
231.3 |
248.9 |
2*105 |
125.1 |
135.6 |
145.1 |
153.8 |
160.2 |
177.3 |
201.9 |
231.3 |
245.4 |
263.0 |
5*105 |
133.8 |
142.5 |
152.6 |
162.0 |
169.2 |
196.0 |
214.8 |
247.1 |
261.8 |
281.2 |
106 |
140.2 |
149.8 |
160.6 |
171.4 |
178.6 |
205.4 |
225.4 |
260.6 |
274.7 |
295.8 |
2*106 |
148.2 |
157.8 |
169.2 |
179.5 |
187.2 |
213.7 |
237.1 |
272.4 |
287.6 |
308.8 |
5*106 |
154.7 |
165.8 |
178.0 |
189.0 |
197.8 |
227.8 |
250.1 |
287.6 |
302.9 |
327.5 |
107 |
160.0 |
170.8 |
188.6 |
194.9 |
203.4 |
236.0 |
259.4 |
299.4 |
314.6 |
340.5 |
|