Livro Hibbeler - 7ª ed Resistencia Materiais (Livro)

luis.carlos.silva
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PROPRIEDADES GEOMÉTRICAS DE UMA ÁREA 581A.19. Determine os momentos principais de inércia paraa área da seção transversal da cantoneira em relação a umconjunto de eixos principais cuja origem está localizada nocentroide C. Use as equações desenvolvidas na Seção A.4.Para o cálculo, suponha que todos os cantos são quadrados.*A.20. Resolva o Problema A.19 usando o círculo deMohr.20 mmPl'oblemas A.19/20

Descrição A dmm X kg/m mm2 mmW610 X 155 19.800W610 X 140 17.900W610 X 125 15.900W610 X 113 14.400W610 >< 101 12.900W610 X 92 11.800W610 X 82 10.500W460 X 97 12.300W460 X 89 11.400W460 X 82 10.400W460 X 74 9.460W460 X 68 8.730W460 X 60 7.590W460 X 52 6.640W410 X 85 10.800W410 X 74 9.510W410 X 67 8.560W410 X 53 6.820W410 X 46 5.890W410 X 39 4.960W360 X 79 10.100W360 X 64 8.150W360 X 57 7.200W360 X 51 6.450W360 X 45 5.710W360 X 39 4.960W360 X 33 4.190W310 X 129 16.500W310 X 74 9.480W310 X 67 8.530W310 X 39 4.930W310 X 33 4.180W310 X 24 3.040W310 X 21 2.680Área Altura Espessura f------------1eixo x-xeixo y-yda alma largura espessura r--------------------------f------------- - --- 1611617612608603603599466463460457459455450417413410403403399354347358355352353349318310306310313305303tal mamm12,7013,1011,9011,2010,5010,9010,0011,4010,509,919,029,148,007,6210,909,658,767,496,996,359,407,757,877,246,866,485,8413,109,408,515,846,605,595,08mm1 1 229,0 :1 228,0228,0179,0178,0193,0192,0191,0190,0154,0153,0152,0181,0180,0179,0177,0140,0140,0205,0203,0172,0171,0171,0128,0127,0308,0205,0204,0165,0102,0101,0101,0mm19,022,219,617,314,915,012,819,017,716,014,515,413,310,818,216,014,410,911,28,816,813,513,111,69,810,78,520,616,314,69,710,86,75,71.2901.12098587576464656044541037033329725521231527524518615612622717916014112110282,930816514584,865,042,837,054.2203.6303.2202.8802.5302.1401.8701.9101.7701.6101.4601.2901.1209421.5101.3301.2009237746321.2801.0308947946885784751.9401.060948547415281244r25525024924724323423119019018918818418317917117016916516315915014814914814614314113713213013112511911710845,139,334,329,514,412,122,820,918,616,69,417,966,3418,015,613,810,15,144,0224,218,811,19,688,163,752,9110023,420,77,231,921,160,986566739234330125916113623621819517512210483,419917315411473,457,423618512911395,458,645,864922820387,637,623,019,573,950,249,748,847,834,933,943,142,842,341,932,832,430,940,840,540,238,529,528,548,948,039,338,737,827,526,477,849,749,338,321,419,519,2

Descrição A d

mm X kg/m mm2 mm

W610 X 155 19.800

W610 X 140 17.900

W610 X 125 15.900

W610 X 113 14.400

W610 >< 101 12.900

W610 X 92 11.800

W610 X 82 10.500

W460 X 97 12.300

W460 X 89 11.400

W460 X 82 10.400

W460 X 74 9.460

W460 X 68 8.730

W460 X 60 7.590

W460 X 52 6.640

W410 X 85 10.800

W410 X 74 9.510

W410 X 67 8.560

W410 X 53 6.820

W410 X 46 5.890

W410 X 39 4.960

W360 X 79 10.100

W360 X 64 8.150

W360 X 57 7.200

W360 X 51 6.450

W360 X 45 5.710

W360 X 39 4.960

W360 X 33 4.190

W310 X 129 16.500

W310 X 74 9.480

W310 X 67 8.530

W310 X 39 4.930

W310 X 33 4.180

W310 X 24 3.040

W310 X 21 2.680

Área Altura Espessura f------------1

eixo x-x

eixo y-y

da alma largura espessura r--------------------------f------------- - --- 1

611

617

612

608

603

603

599

466

463

460

457

459

455

450

417

413

410

403

403

399

354

347

358

355

352

353

349

318

310

306

310

313

305

303

tal ma

mm

12,70

13,10

11,90

11,20

10,50

10,90

10,00

11,40

10,50

9,91

9,02

9,14

8,00

7,62

10,90

9,65

8,76

7,49

6,99

6,35

9,40

7,75

7,87

7,24

6,86

6,48

5,84

13,10

9,40

8,51

5,84

6,60

5,59

5,08

mm

1 1 229,0 :

1 228,0

228,0

179,0

178,0

193,0

192,0

191,0

190,0

154,0

153,0

152,0

181,0

180,0

179,0

177,0

140,0

140,0

205,0

203,0

172,0

171,0

171,0

128,0

127,0

308,0

205,0

204,0

165,0

102,0

101,0

101,0

mm

19,0

22,2

19,6

17,3

14,9

15,0

12,8

19,0

17,7

16,0

14,5

15,4

13,3

10,8

18,2

16,0

14,4

10,9

11,2

8,8

16,8

13,5

13,1

11,6

9,8

10,7

8,5

20,6

16,3

14,6

9,7

10,8

6,7

5,7

1.290

1.120

985

875

764

646

560

445

410

370

333

297

255

212

315

275

245

186

156

126

227

179

160

141

121

102

82,9

308

165

145

84,8

65,0

42,8

37,0

5

4.220

3.630

3.220

2.880

2.530

2.140

1.870

1.910

1.770

1.610

1.460

1.290

1.120

942

1.510

1.330

1.200

923

774

632

1.280

1.030

894

794

688

578

475

1.940

1.060

948

547

415

281

244

r

255

250

249

247

243

234

231

190

190

189

188

184

183

179

171

170

169

165

163

159

150

148

149

148

146

143

141

137

132

130

131

125

119

117

108

45,1

39,3

34,3

29,5

14,4

12,1

22,8

20,9

18,6

16,6

9,41

7,96

6,34

18,0

15,6

13,8

10,1

5,14

4,02

24,2

18,8

11,1

9,68

8,16

3,75

2,91

100

23,4

20,7

7,23

1,92

1,16

0,986

5

667

392

343

301

259

161

136

236

218

195

175

122

104

83,4

199

173

154

114

73,4

57,4

236

185

129

113

95,4

58,6

45,8

649

228

203

87,6

37,6

23,0

19,5

73,9

50,2

49,7

48,8

47,8

34,9

33,9

43,1

42,8

42,3

41,9

32,8

32,4

30,9

40,8

40,5

40,2

38,5

29,5

28,5

48,9

48,0

39,3

38,7

37,8

27,5

26,4

77,8

49,7

49,3

38,3

21,4

19,5

19,2

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