كتاب Mechanics of Materials BRIEF EDITION James M. Gere

اخوانى واخوتى فى الله
معى اليوم كتاب Mechanics of Materials
BRIEF EDITION
James M. Gere
Contents
James Monroe Gere ix
Preface x
Symbols xvi
Greek Alphabet xix
1 Tension, Compression, and Shear 2
1.1 Introduction to Mechanics of Materials 5
1.2 Normal Stress and Strain 7
1.3 Mechanical Properties of Materials 15
1.4 Elasticity, Plasticity, and Creep 24
1.5 Linear Elasticity, Hooke’s Law, and Poisson’s Ratio 27
1.6 Shear Stress and Strain 32
1.7 Allowable Stresses and Allowable Loads 43
1.8 Design for Axial Loads and Direct Shear 49
Chapter Summary & Review 55
Problems 57
2 Axially Loaded Members 88
2.1 Introduction 90
2.2 Changes in Lengths of Axially Loaded Members 90
2.3 Changes in Lengths Under Nonuniform Conditions 99
2.4 Statically Indeterminate Structures 106
2.5 Thermal Effects, Misfits, and Prestrains 115
2.6 Stresses on Inclined Sections 127
Chapter Summary & Review 139
Problems 141
3 Torsion 168
3.1 Introduction 170
3.2 Torsional Deformations of a Circular Bar 171
3.3 Circular Bars of Linearly Elastic Materials 174
v
2011 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party
3.4 Nonuniform Torsion 186
3.5 Stresses and Strains in Pure Shear 193
3.6 Relationship Between Moduli of Elasticity E and G 200
3.7 Transmission of Power by Circular Shafts 202
3.8 Statically Indeterminate Torsional Members 207
Chapter Summary & Review 211
Problems 213
4 Shear Forces and Bending Moments 230
4.1 Introduction 232
4.2 Types of Beams, Loads, and Reactions 232
4.3 Shear Forces and Bending Moments 239
4.4 Relationships Between Loads, Shear Forces,
and Bending Moments 246
4.5 Shear-Force and Bending-Moment Diagrams 251
Chapter Summary & Review 262
Problems 264
5 Stresses in Beams 276
5.1 Introduction 279
5.2 Pure Bending and Nonuniform Bending 279
5.3 Curvature of a Beam 280
5.4 Longitudinal Strains in Beams 282
5.5 Normal Stresses in Beams (Linearly Elastic Materials) 287
5.6 Design of Beams for Bending Stresses 300
5.7 Shear Stresses in Beams of Rectangular Cross Section 309
5.8 Shear Stresses in Beams of Circular Cross Section 319
5.9 Shear Stresses in the Webs of Beams with Flanges 422
5.10 Composite beams 430
Chapter Summary & Review 345
Problems 348
6 Analysis of Stress and Strain 372
6.1 Introduction 375
6.2 Plane Stress 376
6.3 Principal Stresses and Maximum Shear Stresses 384
6.4 Mohr’s Circle for Plane Stress 394
6.5 Hooke’s Law for Plane Stress 411
6.6 Triaxial Stress 414
Chapter Summary & Review 418
Problems 421
vi CONTENTS
2011 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s).
Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it7 Applications of Plane Stress (Pressure Vessels and Combined Loadings) 434
7.1 Introduction 436
7.2 Spherical Pressure Vessels 436
7.3 Cylindrical Pressure Vessels 442
7.4 Combined Loadings 450
Chapter Summary & Review 466
Problems 467
8 Deflections of Beams 478
8.1 Introduction 480
8.2 Differential Equations of the
Deflection Curve 480
8.3 Deflections by Integration of the
Bending-Moment Equation 486
8.4 Deflections by Integration of the Shear-Force
and Load Equations 497
8.5 Method of Superposition 503
Chapter Summary & Review 512
Problems 513
9 Columns 522
9.1 Introduction 524
9.2 Buckling and Stability 524
9.3 Columns with Pinned Ends 528
9.4 Columns with Other Support Conditions 539
Chapter Summary & Review 550
Problems 551
10 Review of Centroids and Moments of Inertia (Available on book website)
10.1 Introduction
10.2 Centroids of Plane Areas
10.3 Centroids of Composite Areas
10.4 Moments of Inertia of Plane Areas
10.5 Parallel-Axis Theorem for Moments of Inertia
10.6 Polar Moments of Inertia
10.7 Products of Inertia
10.8 Rotation of Axes
10.9 Principal Axes and Principal Moments
of Inertia
ProblemsAppendix A FE Exam Review Problems 560
Answers to Problems 597
Index 611
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