Bolt Capacities H

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Joints in Steel Construction: Simple Connections (Publication P212, 2002)

Corrigendum 1, October 2002

Tying Capacity of Fin Plate Connections with Single Line of Bolts.

The values of tying capacity given in Table H.27 (pages 410 to 414) and Table H.29 (pages 420 to 424) should be amended to values that are the lesser-of the tabulated values and the shear capacity of the bolt groups. The shear capacity of the bolt group = n.P, where n is the number of bolts and P, is the shear capacity per bolt (= 91.9 kN for M20, grade 8.8 bolt from Table H.49). l l e reason for this change is that, as stated in Table H.24. the tabulated tying capacities for fin plate connections were based on the minimum values from Checks I l ( i ) , l l ( i i ) , I2(i) and 12(ii). None of these checks relate to the shear capacity of the bolt group. Where there is a single line of bolts, the shear capacity of the bolt group may be less than the tabulated tying capacity.

Also, when carrying out the full design procedure (in accordance with Section 6.5) an additional check for "structural integrity" should be made for the shear capacity of the bolt group. This additional check, which may be referred to as Check 13, is: Tie force 5 n.P,.

In practice these changes will only be of significance in the unusual case when the tie force is greater than the shear force on the beam.

0 2002 The Steel Construction Institute SCI P212 (Corrigendum I , Oct 2002)

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Bolt Capacities

Tension I Shear

BOLT CAPACITIES

Bearing Capacity in kN (Minimum of P,, and Pbs)

city Exact

A,p, PI kN

47.2

87.9

137

170

198

257

314

Capacity Single Double Shear Shear

p, 2ps kN kN 5

31.6 63.2 27.6

58.9 118 36.8

91.9 184 46.0

114 227 50.6

132 265 55.2

172 344 62.1

210 421 69.0

10 12

55.2 66.2

73.6 88.3

92.0 110

101 121

110 132

124 149

138 166

15 20

82.8 110

110 147

138 184

152 202

166 221

186 248

207 276

Diameter Tensile Tension Shear Bearing Capacity in kN (Minimum of P,, and Pbs) I Capacity

Nominal Exact

0.8A1p, Alp, P"0, PI kN kN

47.2 59.0

87.9 110

137 172

170 212

198 247


p* 2ps kN kN 5

33.7 67.4 27.6

62.8 126 36.8

98.0 196 46.0

121 242 50.6

141 282 55.2

6

33.1

44.2

55.2

60.7

66.2

74.5

82.8

7 8 9 10 12 15

38.6 44.2 49.7 55.2 66 2 82.8 51.5 58.9 66.2 73.6 88.3 110

64.4 73.6 82.8 92.0 110 138

70.8 81.0 91.1 I 0 1 121 152

77.3 88.3 99.4 110 132 166 86.9 99.4 112 124 149 186

96.6 110 124 138 166 207 30 561 314 393 224 449 69.0

Table H.49 Non-Preloaded Ordinarv Bolts in S275

GRADE 4.6 BOLTS IN S275

Diameter of

Bolt

mm

12

16

20

22

24

27

30

Tensile Stress Area

AI mm2

84.3 157

245

303

353

459

561

End distance equal to 2 x bolt diameter.

Thickness in mm of ply passed through

cai Nominal

0.8AiPf pnom

kN

16.2

30.1

47.0

58.2

67.8

88.1

108

-

city Capacity

- 30

166

22 1

276

304

33 1

3 73

414

-

-

9 10

55.2

73.6

92.0

101

110

124

138

-

-

25

138

184

230

253

2 76

311

34 5

-

-

49.7

66.2

82.8

91.1

99.4

112

124 -

33.1 38.6 44.2 44.2 51.5 58.9

55.2 64.4 73.6

60.7 70.8 81.0

66.2 77.3 88.3

97.0 50.6

55.2

147 62.1

69.0

121 152 202

132 166 221

149 186 248

207 276

73.4

89.8 ;ee notes below


1 Shear I Bearing Capacity in kN (Minimum of P,, and P& Tension Diameter of

Bolt

mm

12

16

20

22

24

27

30

Tensile Stress Area

A, mm2

84.3

157

245

303

353

459

56 1



Cai - Nominal

0.8AiPi P"0, kN

37.8

70.3

110

136

158

206

251

9 25

138

184

230

253

276

31 1

345

-

-

30

166

221

2 76

304

33 1 3 73 414

-

-

49.7

66.2

82.8

91.1

99.4

112

124 -

60.7 70.8 81.0

66.2 77.3 88.3

74.5 86.9 99.4

;ee notes below


End distance equal to 2 x bolt diameter,


of Stress Bolt 1 Area

AI mm2

84.3

157

245

303

353

20

110 147

184

202

22 1

248

276

-

-

mm

12

16

20

22

24

27 I 459 I 257 I 321 I 184 I 367 I 62.1 3 73

466

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Bolt Capacities

Diameter of

Bolt

mm

12

16

20

22

24

27

BOLT CAPACITIES

Min. Tension Shear Slip Resistance Bearing Capacity, Pbs in kN Shank Capacity for 1 = 0.5 End distance equal to 3 x bolt diameter.

Tension Single Double Single Double Shear Shear Shear Shear Thickness in mm of ply passed through.

Po 1.1Po AtPt kN kN kN kN kN kN kN 5 6 7 8 9 10 12 15 20 25 30

49.4 54.3 49.7 33.7 67.4 27.2 54.3 41.4 49.7 58.0 66.2 74.5 82.8 99.4 124 166 207 248

92.1 101 92.6 62.8 126 50.7 101 55.2 66.2 77.3 88.3 99.4 110 132 166 221 276 331

144 158 145 98.0 196 79.2 158 69.0 82.8 96.6 110 124 138 166 207 276 345 414

177 195 179 121 242 97.4 195 75.9 91.1 106 121 137 152 182 228 304 380 455

207 228 208 141 282 114 228 82.8 99.4 116 132 149 166 199 248 331 414 497 234 257 236 161 321 129 257 93.2 112 130 149 168 186 224 279 373 466 559 7 R R 115 7 R Q I Q 6 191 157 RI5 l n A 120 145 166 186 207 248 311 414 518 621

BS 5950-1 : 2000 BS 4395: 1969

Table H.50 Preloaded HSFG Bolts in S275: Non-Slip in Service

GENERAL GRADE HSFG BOLTS IN S275

See notes below

HIGHER GRADE HSFG BOLTS IN S275

Diameter1 Min. I Tension I Shear I Slip Resistance I Bearing Capacity, P,, in kN 1 B;lt I Shank 1 , i Caprity i for1,=0.5 1 Tension Single Double Single Double

Shear Shear Shear Shear

24

27

PO kN

104

162

200

233

303 17n

1.1Po AtPt kN kN kN kN kN kN

114 110 62.8 126 57.1 114

178 172 98.0 196 89.0 178

220 212 121 242 110 220

257 247 141 282 128 257

333 321 184 367 167 333 A n 7 RQ? 774 AAQ 704 A117


Thickness in mrn of ply passed through

- ~ ~~ ~ 5 6 7 8 9 1 0

55.2 66.2 77.3 88.3 99.4 110

69.0 82.8 96.6 110 124 138

75.9 91.1 106 121 137 152

82.8 99.4 116 132 149 166

93.2 112 130 149 168 186 l n A 124 146 166 186 207

12

132

166

182

199

224 248

- 15 166

207

228

248

279 31 1

-

Values in bold are less than the single shear capacity of the bolt. Values in italic are greater than the double shear capacity of the bolt. Shading indicates that the ply thickness is not suitable for an outer ply.

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Bolt Capacities

I Shank Tension Tension Capacity Min.

BS 5950-1 : 2000 BS 4395: 1969

Table H.51 Preloaded HSFG Bolts in S275: Non-Slip under Factored Loads

Slip Res

p = 0.2 I P Double I Single Single

Diameter of

Bolt

mm

12

16

20 22

24 27 30

PO kN

49.4

92.1 144

177

207

234 286

BOLT CAPACITIES

Shear Shear Shear O.9P0

kN kN kN kN

44.5 8.89 17.8 13.3

82.9 16.6 33.2 24.9 130 25.9 51.8 38.9

159 31.9 63.7 47.8 186 37.3 74.5 55.9

21 1 42.1 84.2 63.2 257 51.5 103 77.2


3nce P*

Min. Shank

Tension

Bolt Tension Capacity

p = 0.2 Single Double Shear Shear

kN kN

18.7 37.4 29.1 58.2 36.0 72.1

42.0 84.0 54.5 109

66.6 133

.3 Double Shear

kN

26.7

49.7

77.8 95.6

112 126 154

p = 0.3 P: Single Double Single Shear Shear Shear

kN kN kN

28.1 56.1 37.4 43.7 87.4 58.2

54.1 108 72.1 63.0 126 84.0 81.8 164 109 99.9 200 133

U = 0.4

200 233 303

Single Shear

kN

17.8

33.2

51.8 63.7

74.5 84.2

103

180 210

273

Double Shear

kN

35.6

66.3 104

127 149

168 206

p = 0.5

Shear Shear

79.7 93.2

105 21 1 129 257

Diameter of

Bolt


Slip Resistance PsL

162 146 22 24 27

30 I 370 1 333

.4

Double Shear

kN

74.8

116 144

168 218

266

P: Single Shear

kN

46.8 72.8 90.1 105 136 167

1.5

Double Shear

kN

93.5 146

180 210

273 333

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Bolt Capacities

Tension Capacity

Nominal Exact

0.8A1pt Atpl Prim PI kN kN

16.2 20.2

30.1 37.7

47.0 58.8

58.2 72.7

67.8 84.7

88.1 110 108 135

Shear Capacity

Single Double Shear Shear

p, 2ps kN kN

13.5 27.0

25.1 50.2

39.2 78.4

48.5 97.0

56.5 113

73.4 147 89.8 180

of Bolt

Stress Area

At

mm

12

16

20 22

24

27 30

mm2 kN kN kN

84.3 37.8 47.2 31.6

157 70.3 87.9 58.9

245 110 137 91.9

303 136 170 114

353 158 198 132

459 206 257 172 561 251 314 210

Stress Area

A1 mm2

84.3

157

245

303

353

459 561

Car Nominal

0.8AtPl Pnom kN

47.2

87.9

137

170

198

257 314

BOLT CAPACITIES

Table H.52 Non-Preloaded Ordinary Bolts in S355


Bearing Capacity in kN (Minimum of Pbb and Pbs) End distance equal to 2 x bolt diameter.

Thickness in mm of ply passed through.

Stress

- 5

27.6

36.8

46.0

50.6

55.2

62.1 69.0

-

-

- 9

49.7

66.2

82.8

91.1

99.4

112 124

-

-

10

55.2

73.6

92.0

101

110

124 138

-

-

20

110

147

184

202

22 1

248 276

- 25 138

184

230

253 276

311 345

- 30 166

22 1

276

304

331

3 73 414 -

66.2 82.8

132 166

149 186 166 207

353

459 56 1

;ee notes below


Diameter I Tensile I Tension I Shear Bearing Capacity in kN (Minimum of Pbb and Pk) End distance equal to 2 x bolt diameter.

Thickness in mm of ply passed through. Nominal Exact Single

:ity Double Shear

2ps kN

63.2

118

184

227

265

344 42 1

a - 52.8

70.4

88.0

96.8

106

119 132

15

99.0

132

165 182

198

223 248

-

-

20

132

176

220

242

264

297 330

-

-

220 264

275 330

303

330

371 446 413 495

109 145


Tensile I Tension Shear I Bearing Capacity in kN (Minimum of Pbb and Pk) Diameter of

Bolt

mm

12

16

20

22

24

27 30


Thickness in mm of ply passed through.

Cal - Single Shear

p s

kN

33.7

62.8

98.0

121

141

184 224

:ity Exact

4 P t pt

kN

59.0

110

172

212

247

32 1 393

-

Double Shear

55.0

66.0

- 30

198

264

330

363

396

446 495

-

-

- 12

79.2

106

132

145

158

178 198

-

-

- 15

99.0

132

165

182

198

223 248

-

-

6

39.6

52.8

66.0

72.6

79.2

89.1

- 7 46.2

61.6

77.0

84.7

92.4

104 116

-

-

220

413 449 I 82.5 I 99.0 e shear capacity of the bolt. Values in bold are less than the sin

Values in italic are greater than the double shear capacity of the bolt. Bearing values assume standard clearance holes. If oversize or short slotted holes are used, bearing values should be multiplied by 0.7. If long slotted or kidney shaped holes are used, bearing values should be multiplied by 0.5. If appropriate, shear capacity must be reduced for large packings, large grip lengths and long joints.

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Bolt Capacities

hameter of

Bolt

mm

12

16

20

22

24

27 30

BOLT CAPACITIES

Min. Tension Shear Slip Resistance Bearing Capacity, P,, in kN Shank Capacity for p = 0.5 End distance equal to 3 x bolt diameter.

Shear Shear Shear Shear Thickness in mm of ply passed through. Tension Single Double Single Double

PO 1.1p.3 AtPt kN kN kN kN kN kN kN 5 6 7 8

49.4 54.3 49.7 33.7 67.4 27.2 54.3 49.5 59.4 69.3 79.2 92.1 101 92.6 62.8 126 50.7 101 66.0 79.2 92.4 106

144 158 145 98.0 196 79.2 158 82.5 99.0 116 132 177 195 179 121 242 97.4 195 90.8 109 127 145 207 228 208 141 282 114 228 99.0 119 139 158 234 257 236 161 321 129 257 111 134 156 178 286 315 289 196 393 157 315 124 149 173 198

BS 5950-1 : 2000 BS 4395: 1969


1.1Po 4Pt

Table H.53 Preloaded HSFG Bolts in S355: Non-SliD in Service

for p = 0.5 Single Double Shear Shear


9

89.1

119

149

163

178

200 223

-

- iee notes below


10

99.0

132

165

182

198 223 248

-

-

12

119

158

198

218

238

267 297

-

-

198 264

248 330

272 363

297 396

334 446 T 371 495 25 248 330 413 454 495 557 619 - - 30 297 396 495 545 594 668 743 - - XarneterI Min. I Tension I Shear I Slip Resistance I

of -1 Shank Tension PO kN 104 162 200 233

303 370

- 7

92.4

116

127

139

156 173 -

Bearing Capacity, P,, in kN End distance equal to 3 x bolt diameter.

Thickness in rnm of ply passed through.

- 8

106

132

145

158

178 198

-

-

- 9.

119

149

163

178

200 223

-

-

165 198 248 330

218 272 363

198 238 297 396

223 267 334 446 248 297 371 495

- 25

330

413

454

495

557 619

-

-

- 30

396

495

545

594

668 743

-

- ~ ~ ~~ ~~~~ Values in bold are less than the single shear capacity of the bolt. Values in italic are greater than the double shear capacity of the bolt. Shading indicates that the ply thickness is not suiteble for an outer ply.

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BOLT CAPACITIES


kN kN

13.3 26.7

24.9 49.7

38.9 77.8

47.8 95.6

55.9 112

63.2 126

77.2 154

Bolt Capacities

BS 4395: 1969 BS 4604: 1970


kN kN

17.8 35.6

33.2 66.3

51.8 104

63.7 127

74.5 149

84.2 168

103 206

Table H.54 Preloaded HSFG Bolts in S355: Non-Slip under Factored Loads

Single Shear

kN

22.2

41.4

64.8

79.7

93.2

105

129

Diameter of

Bolt Double Shear

kN

44.5

82.9

130

159

186

21 1

257

mm

12

16

20

22

24

27

30

Diameter of

Bolt

mm

16

20

22

24

27

30

Min. Shank

Tension

PO kN

49.4

92.1

144

177

207

234

286

Min. Shank

Tension

PO kN

104

162

200

233

303

370


O.9P0 kN

44.5

82.9

130

159

186

21 1

257


0.9P, kN

93.5

146

180

210

273

333


p = 0.2

Shear Shear

kN

8.89

16.6

25.9

31.9

37.3

42.1

51.5

kN

17.8

33.2

51.8

63.7

74.5

84.2

103


P : Single Shear

kN

18.7

29.1

36.0

42.0

54.5

66.6

.2 Double Shear

kN

37.4

58.2

72.1

84.0

109

133

SliD Resistance P., p = 0.3 p = 0.4

Shear Shear Shear Shear

kN

28.1

43.7

54.1

63.0

81.8

99.9

kN kN kN

56.1 37.4 74.8

87.4 58.2 116

108 72.1 i44

126 84.0 168

164 109 218

200 133 266

p = 0.5

Shear Shear

273

167 333

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Fasteners for RHS Sections

FLOWDRILL

Tension capacity - normal design The tension capacity of Grade 8.8 bolts for normal design are shown in Table H.55a and take account of the RHS wall thickness as well as the bolt strength.

Table H.55a

Tension capacity - structural integrity The pull-out resistances for structural integrity are less than those for normal design because the design method used for structural integrity leads to thinner plates/cleats than for normal design methods, based on BS 5950-1 :20061, and, as a result, will lead to higher prying forces. The values in Table H.55b are based on limiting value of fir= 300N/mm2 for extreme prying (See CHECK 13).

Table H.55b

Shear and bearing capacity For shear and bearing capacities, refer to capacity tables for ordinary bolts (Tables H.49 and H.52)

Note: Additional information on Flowdrill is given in Appendix F.

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Fasteners for RHS Sections

~~

M12

M16

M20

HOLLO-BOLT CAPACITIES

38 38

75 70

100 110

Shear capacity Hollo-Bolts have a shear capacity slightly higher than that for ordinary bolting, since the body of the fastener provides resistance as well as the bolt. Values are given in Table H.56.

Tension capacity - normal design The tension capacity of Grade 8.8 Hollo-Bolts for normal design are shown in Table H.56.

Tension capacity - structural integrity The pull-out resistances for structural integrity are less than those for normal design because the design method used for structural integrity leads to thinner plateskleats than for normal design methods, based on BS 5950-1 : 200dl1, and, as a result, will lead to higher prying forces. This has been taken into account in the resistances shown in Table H.56.

Table H.56

I HOLLO-BOLT DESIGN CAPACITIES I Bolt

diameter mm

Shear Capacity

kN

Normal Tens ion Capacity P"0J kN

I M8 I 12 I 16 26 I M10 I 25 I

Bearing capacity For bearing capacities refer to capacity tables for ordinary bolts (Tables H.49 and H.52)

Structural integrity Tension Capacity (Psi) kN

I 10

25

46 ~~

73 I

Note: Additional information on Hollo-Bolts is given in Appendix G.

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Weld Capacities

E35 ELECTRODE WITH S275 (d) Longitudinal Capacity Transverse Capacity

PL Lb) PT (cl

kNlmm kNlmm

0.616 0.770

0.924 1.16

1.23 1.54

1.54 1.93

1.85 2.31

2.31 2.89

2.77 3.47

3.08 3.85

3.39 4.24

3.85 4.81

BS EN 440 BS EN 499 BS EN 756 BS EN 758

Table H.57 Weld Capacities

E42 ELECTRODE WITH S355(@ Longitudinal Capacity Transverse Capacity

PL (b) PT

kNlmm kNlmm

0.700 0.875

1.05 1.31

1.40 1.75

1.75 2.19

2.10 2.63

2.63 3.28 3.15 3.94

3.50 4.38

3.85 4.81

4.38 5.47

Leg Length

S

mm

4.0

6.0

8.0

10.0

12.0

15.0

18.0

20.0

22.0

25.0 a) a = 0.7s

Throat (a)

Thickness

a

mm

2.80

4.20

5.60

7.00

8.40

10.5

12.6

14.0

15.4

17.5

FILLET WELDS

b) PL = Pwa c) PT = K pw a. Welds are between two elements at 90' to each other, therefore K = 1.25.

d) pw = 220 N/mm2 for E35 electrode with S275 steel

e) pw = 250 N/mm2 for E42 electrode with S355 steel

Thickness

mm

4.0

6.0 8.0

10.0

12.0

15.0

18.0

20.0

22.0

25.0

FULL PENETRATION BUTT WELDS

WELD Ci E35 ELECTRODE WITH S275 Shear

Capacity 'a)

kNlmm

0.660

0.990 1.32

1.65

1.98

2.48

2.86

3.18

3.50

3.98

Tension or Compression Capacity (b)

kNlmm

1.10

1.65 2.20

2.75

3.30

4.13

4.77

5.30

5.83

6.63

a) The strength in shear is taken as 0.6~~. b) The weld strength in tension or compression is taken as py,

Where: D, is the desian strenath of the Darent material.

'ACITIES E42 ELECTRC Shear

Capacity (a)

kNlmm

0.852

1.28 1.70

2.13

2.56

3.20

3.73

4.14

4.55 5.18

)E WITH S355 Tension or Compression

Capacity (b)

kNlrnm

1.42

2.13

2.84

3.55

4.26

5.33

6.21

6.90

7.59

8.63

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