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 |  موضوع: كتاب Mechanics of Materials 7th - Beer Johnston السبت 19 أغسطس 2017, 4:10 pm | |
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Mechanics of Materials 7th Edition
Ferdinand P. Beer, E. Russell Johnston, Jr., John T. Dewolf, David F. Mazurek
ويتناول الموضوعات الأتية :
Contents
Preface ix
Guided Tour xiii
List of Symbols xv
1 Introduction—Concept of Stress 3
1.1 Review of The Methods of Statics 4
1.2 Stresses in the Members of a Structure 7
1.3 Stress on an Oblique Plane Under Axial Loading 27
1.4 Stress Under General Loading Conditions; Components
of Stress 28
1.5 Design Considerations 31
Review and Summary 44
2 Stress and Strain—Axial
Loading 55
2.1 An Introduction to Stress and Strain 57
2.2 Statically Indeterminate Problems 78
2.3 Problems Involving Temperature Changes 82
2.4 Poisson’s Ratio 94
2.5 Multiaxial Loading: Generalized Hooke’s Law 95
2.6 Dilatation and Bulk Modulus 97
2.7 Shearing Strain 99
2.8 Deformations Under Axial Loading—Relation Between E, n,
and G 102
2.9 Stress-Strain Relationships For Fiber-Reinforced Composite
Materials 104
2.10 Stress and Strain Distribution Under Axial Loading: SaintVenant’s Principle 115
2.11 Stress Concentrations 117
2.12 Plastic Deformations 119
2.13 Residual Stresses 123
Review and Summary 133
Advanced or specialty topicsContents v
3 Torsion 147
3.1 Circular Shafts in Torsion 150
3.2 Angle of Twist in the Elastic Range 167
3.3 Statically Indeterminate Shafts 170
3.4 Design of Transmission Shafts 185
3.5 Stress Concentrations in Circular Shafts 187
3.6 Plastic Deformations in Circular Shafts 195
3.7 Circular Shafts Made of an Elastoplastic Material 196
3.8 Residual Stresses in Circular Shafts 199
3.9 Torsion of Noncircular Members 209
3.10 Thin-Walled Hollow Shafts 211
Review and Summary 223
4 Pure Bending 237
4.1 Symmetric Members in Pure Bending 240
4.2 Stresses and Deformations in the Elastic Range 244
4.3 Deformations in a Transverse Cross Section 248
4.4 Members Made of Composite Materials 259
4.5 Stress Concentrations 263
4.6 Plastic Deformations 273
4.7 Eccentric Axial Loading in a Plane of Symmetry 291
4.8 Unsymmetric Bending Analysis 302
4.9 General Case of Eccentric Axial Loading Analysis 307
4.10 Curved Members 319
Review and Summary 334
5 Analysis and Design of Beams
for Bending 345
5.1 Shear and Bending-Moment Diagrams 348
5.2 Relationships Between Load, Shear, and Bending Moment 360
5.3 Design of Prismatic Beams for Bending 371
5.4 Singularity Functions Used to Determine Shear and Bending
Moment 383
5.5 Nonprismatic Beams 396
Review and Summary 407vi Contents
6 Shearing Stresses in Beams and
Thin-Walled Members 417
6.1 Horizontal Shearing Stress in Beams 420
6.2 Distribution of Stresses in a Narrow Rectangular Beam 426
6.3 Longitudinal Shear on a Beam Element of Arbitrary Shape 437
6.4 Shearing Stresses in Thin-Walled Members 439
6.5 Plastic Deformations 441
6.6 Unsymmetric Loading of Thin-Walled Members and Shear
Center 454
Review and Summary 467
7 Transformations of Stress and
Strain 477
7.1 Transformation of Plane Stress 480
7.2 Mohr’s Circle for Plane Stress 492
7.3 General State of Stress 503
7.4 Three-Dimensional Analysis of Stress 504
7.5 Theories of Failure 507
7.6 Stresses in Thin-Walled Pressure Vessels 520
7.7 Transformation of Plane Strain 529
7.8 Three-Dimensional Analysis of Strain 534
7.9 Measurements of Strain; Strain Rosette 538
Review and Summary 546
8 Principal Stresses Under a Given
Loading 557
8.1 Principal Stresses in a Beam 559
8.2 Design of Transmission Shafts 562
8.3 Stresses Under Combined Loads 575
Review and Summary 591Contents vii
9 Deflection of Beams 599
9.1 Deformation Under Transverse Loading 602
9.2 Statically Indeterminate Beams 611
9.3 Singularity Functions to Determine Slope and Deflection 623
9.4 Method of Superposition 635
9.5 Moment-Area Theorems 649
9.6 Moment-Area Theorems Applied to Beams with Unsymmetric
Loadings 664
Review and Summary 679
10 Columns 691
10.1 Stability of Structures 692
10.2 Eccentric Loading and the Secant Formula 709
10.3 Centric Load Design 722
10.4 Eccentric Load Design 739
Review and Summary 750
11 Energy Methods 759
11.1 Strain Energy 760
11.2 Elastic Strain Energy 763
11.3 Strain Energy for a General State of Stress 770
11.4 Impact Loads 784
11.5 Single Loads 788
11.6 Multiple Loads 802
11.7 Castigliano’s Theorem 804
11.8 Deflections by Castigliano’s Theorem 806
11.9 Statically Indeterminate Structures 810
Review and Summary 823viii Contents
Appendices A1
A Moments of Areas A2
B Typical Properties of Selected Materials Used in
Engineering A13
C Properties of Rolled-Steel Shapes A17
D Beam Deflections and Slopes A29
E Fundamentals of Engineering Examination A30
Answers to Problems AN1
Photo Credits C1
Index I1
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