Blake's Design of Mechanical Joints

Cover......Page 1
Half Title......Page 2
Title Page......Page 4
Copyright Page......Page 5
Contents......Page 6
Preface......Page 12
Authors......Page 14
 1.1 Historical Review......Page 16
 1.2 An Overview of Mechanical Joints......Page 18
 References......Page 24
  2.1.4 Threaded Fasteners......Page 26
  2.1.5 Welded Joints......Page 28
 2.2 Design with Rivets......Page 29
 2.3 Design with Bolts......Page 33
 2.4 Selection of Bolt Materials......Page 34
 2.5 Stress and Strain of Bolted Joints......Page 38
 2.6 Torque Equations and Friction......Page 46
 2.7 Strength and Design Criteria......Page 49
 2.8 Control of Torque and Preload......Page 50
 2.9 Selection of Working Loads......Page 53
 2.10 Current View of Bolt Preload......Page 54
 2.11 Summary of Design Considerations......Page 55
 Symbols......Page 56
 3.1 Preliminary Considerations......Page 58
 3.2 Effect of Lateral Forces......Page 59
 3.3 Statically Indeterminate Beams......Page 60
 3.4 Cross-Section Geometry......Page 61
  3.4.1 Example......Page 62
  3.4.2 Approach......Page 63
 3.5 Combined Stress Criteria......Page 66
 3.6 Response in Shear......Page 68
 3.7 Torsion......Page 69
 3.8 Deflection Analyses......Page 70
 3.9 Buckling of Columns and Plates......Page 71
 3.10 Bending of Plates......Page 74
 3.11 Design of Curved Elements......Page 76
 3.12 Strength and Stability of Vessels......Page 81
 3.13 Early Experience with Stress and Fracture......Page 86
 3.15 Behavior of Cracks......Page 88
 3.16 Detection of Crack Size......Page 90
 3.17 Ductile to Brittle Transition......Page 91
 3.18 Limitations and Implications of Fracture Control......Page 94
 3.19 Summary......Page 96
 References......Page 97
 Symbols and Acronyms......Page 98
 4.1 Introduction......Page 100
 4.2 Theory of Measurements......Page 101
 4.3 Statistical Analysis......Page 103
 4.4 Known Normal Distribution......Page 108
 4.5 Distribution Not Known to Be Normal......Page 109
 4.6 t-Statistic or the Student’s Statistic......Page 111
 4.7 Hypothesis Testing......Page 113
   4.8.1.1 Solution......Page 114
   4.8.2.1 Solution......Page 117
  4.8.3 Design Study 4.3......Page 118
   4.8.4.1 Solution......Page 119
   4.8.5.1 Solution......Page 121
  4.8.6 Design Study 4.6......Page 122
  4.8.7 Design Study 4.7......Page 124
  4.8.8 Design Study 4.8......Page 125
 4.9 Hypothesis Testing Based on a Two-Population Distribution......Page 126
  4.9.2 Small Sample Sizes......Page 127
 4.11 Design Studies of Two Population Means......Page 128
  4.11.1 Design Study 4.9......Page 129
  4.11.2 Design Study 4.10......Page 130
  4.11.3 Design Study 4.11......Page 131
  4.11.4 Design Study 4.12......Page 132
 4.12 Testing Variances from One Population: Use of the Chi-Square (x[sup(2)]) Distribution......Page 133
 4.13 Testing Variances from Two Populations: Use of the F-Distribution......Page 134
  4.14.1 Design Study 4.13......Page 135
  4.14.2 Design Study 4.14......Page 141
  4.14.4 Design Study 4.16......Page 142
 4.15 Control Charts......Page 144
  4.16.1 Design Study 4.17......Page 147
 Symbols......Page 148
 5.1 Basic Formulas for Rivets......Page 150
 5.2 Formulas for Eccentric Shear......Page 151
 5.3 Performance of Riveted Joints......Page 154
 5.4 Rigid Bolted Connections......Page 155
 5.5 Gasket Effects......Page 156
 5.6 Stiffness of a Flange in Compression......Page 157
 5.7 Conventional Diagram for the Bolt Preload......Page 158
 5.8 Theories of Joint Preload......Page 159
 5.9 Evaluation of Spring Constants......Page 160
 5.10 Symmetrical Splice Connection......Page 161
 5.11 Slip Coefficients......Page 162
 5.12 Load Transfer between Bearing and Shear......Page 163
 5.13 Determination of the Net Area of a Plate Subjected to Tension......Page 165
 5.14 Plate Edge Effects......Page 166
 5.15 Allowable Shear in Spliced Connections......Page 167
 5.16 Fatigue and Shear Lag Effects......Page 168
 5.17 Eccentric Joints......Page 169
 5.18 Prediction of Shear Loads......Page 171
 5.19 Prying Action on Bolts......Page 173
 5.20 Control of Joint Separation......Page 174
 5.22 Summary......Page 177
 5.23 Design Analyses......Page 178
 References......Page 189
 Symbols......Page 190
 6.2 Gasket Effects......Page 192
 6.3 Tightness Criterion......Page 194
 6.4 Spacing of Bolts......Page 195
 6.5 Mechanics of Flange Rotation......Page 197
 6.6 Design of Straight Flanges......Page 200
 6.7 Design of Ribbed Flanges......Page 203
 6.8 Stiffeners......Page 208
 6.9 Compact Flanges......Page 212
 6.10 Summary......Page 214
 6.11 Design Analyses......Page 216
 References......Page 258
 Symbols......Page 259
 7.2 Interfaces, or Shrink, Fits......Page 262
 7.3 Split Hub Criteria......Page 265
 7.4 The Single-Pin Clevis Joint......Page 268
 7.5 A Rigid Clamp Application......Page 269
 7.6 Design of a C-Clamp......Page 270
 7.7 Vessel and Pipe Supports......Page 272
 7.8 Tubular Joints......Page 277
 7.9 Summary......Page 279
 7.10 Design Analyses......Page 280
 Symbols......Page 283
 8.2 Design of Cotter Pin Joints......Page 286
 8.3 Key Connections......Page 290
 8.5 Pipe Couplings......Page 296
 8.6 Abutment Failure......Page 300
 8.7 Eyebar or Knuckle Joints......Page 303
 8.8 Structural......Page 307
 8.9 Chain Drives and Coupling Links......Page 308
 8.10 Wire Rope Fittings......Page 310
 8.11 High-Pressure Threaded Configurations......Page 313
 8.12 Summary......Page 317
 8.13 Design Analyses......Page 318
 Symbols......Page 325
 9.1 Introduction......Page 328
 9.2 Typical Welded Joints......Page 329
 9.4 Crack Initiation and Fatigue......Page 331
 9.5 Design Assumptions......Page 335
 9.6 Analysis of Fillet Welds......Page 337
 9.7 Weld Line Formulas for Design......Page 338
 9.8 Welded Lap Joints......Page 341
 9.9 Beam Seat Connections......Page 343
 9.10 Column Base Plate Design......Page 346
 9.11 Welded Joints in Plate Girders......Page 347
 9.12 Special Welded Joints......Page 348
 9.13 Summary......Page 350
 9.14 Design Analyses......Page 351
 Symbols......Page 353
 10.3 Design of a Circular Membrane......Page 356
 10.4 Behavior of Mylar Barriers......Page 360
 10.5 Metallic Diaphragm Experiment......Page 362
 10.6 Plastic Correction in Diaphragm Design......Page 364
 10.7 Spherical Cap Barriers......Page 365
 10.8 Rolling Diaphragm Interface......Page 368
 10.10 Design Analyses......Page 370
 Symbols......Page 374
 11.2 Characteristics of Solid Surfaces......Page 376
 11.3 The Mechanics of Adhesion......Page 377
 11.4 Setting and Flow of Adhesives......Page 378
 11.5 The Concept of Stress......Page 379
 11.6 Stresses in Butt Adhesive Joints......Page 385
 11.7 Design of Lap Joints......Page 387
 11.8 Design of Scarf Joints......Page 393
 11.9 Peeling......Page 397
 11.10 Special Applications......Page 399
 11.11 Materials......Page 401
 11.12 Guide for Designers......Page 403
 11.13 A Current View of Adhesive Technology......Page 405
 11.14 Summary......Page 406
 11.15 Design Analyses......Page 408
 Symbols......Page 411
Glossary......Page 414
Index......Page 422