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