|
|
|
CÀRREGUES
DE
SEGURETAT
QUE
PODEN
SUPORTAR
LES
IPN
TREBALLANT
A
FLEXIÓ |
|
|
(tensió admisible de base 16 kg/mm2) |
|
|
|
Càrregues
en tones segons
les
longituds de les bigues
|
|
h
(mm) |
b
(mm) |
2m
|
3m
|
4m
|
5m
|
6m
|
7m
|
8m
|
9m
|
10m
|
15m
|
|
80
|
42
|
1,236
|
0,814
|
|
|
|
|
|
|
|
|
|
100
|
50
|
2,172
|
1,434
|
|
|
|
|
|
|
|
|
|
120
|
58
|
3,478
|
2,300
|
1,705
|
|
|
|
|
|
|
|
|
140
|
66
|
5,213
|
3,451
|
2,563
|
2,025
|
|
|
|
|
|
|
|
160
|
74 |
7,452
|
4,938
|
3,672
|
2,905
|
|
|
|
|
|
|
|
180
|
82
|
10,260
|
6,803
|
5,064
|
4,012
|
3,303
|
|
|
|
|
|
|
200
|
90
|
13,643
|
9,051
|
6,743
|
5,347
|
4,407
|
3,729
|
|
|
|
|
|
220
|
98
|
17,730
|
11,768
|
8,771
|
6,961
|
5,744
|
4,866
|
|
|
|
|
|
240
|
106
|
22,583
|
14,995
|
11,183
|
8,881
|
7,334
|
6,219
|
5,374
|
|
|
|
|
260
|
113
|
28,204
|
18,732
|
13,976
|
11,106
|
9,178
|
7,789
|
6,737
|
|
|
|
|
280
|
119
|
34,592
|
22,981
|
17,152
|
13,636
|
11,275
|
9,575
|
8,288
|
7,277
|
|
|
|
300
|
125
|
41,683
|
27,698
|
20,679
|
16,446
|
13,605
|
11,561
|
10,014
|
8,799
|
|
|
|
320
|
131
|
49,926
|
33,181
|
24,780
|
19,714
|
16,316
|
13,871
|
12,024
|
10,572
|
9,399
|
|
|
340
|
137
|
58,936
|
39,176
|
29,263
|
23,288
|
18,282
|
16,400
|
14,223
|
12,514
|
11,134
|
|
|
360
|
143
|
69,607
|
46,277
|
34,575
|
27,523
|
22,796
|
19,397
|
16,831
|
14,816
|
13,190
|
|
|
380
|
149
|
80,500
|
53,500
|
40,000
|
31,800
|
26,400
|
22,500
|
19,500
|
17,200
|
15,300
|
|
|
400
|
155
|
93,255
|
62,015
|
46,350
|
36,913
|
30,591
|
26,049
|
22,620
|
19,932
|
17,763
|
|
|
450
|
170 |
130,329
|
86,692
|
64,818
|
51,647
|
42,827
|
36,494
|
31,717
|
27,975
|
24,969
|
15,679
|
|
500
|
185
|
175,718
|
116,909
|
87,436
|
67,696
|
57,821
|
49,298
|
42,873
|
37,843
|
33,792
|
21,654
|
|
550
|
200
|
230,706
|
151,620
|
113,710
|
90,970
|
75,810
|
64,980
|
56,660
|
50,540
|
45,490
|
28,305
|
|
600
|
215
|
295,922
|
194,460
|
145,950
|
116,00
|
97,260
|
83,340
|
72,920
|
64,820
|
58,340
|
36,510
|
|