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| موضوع: كتاب Applied Statics and Strength of Materials الإثنين 10 ديسمبر 2018, 11:54 pm | |
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أخوانى فى الله أحضرت لكم كتاب Applied Statics and Strength of Materials Sixth Edition George F. Limbrunner, P.E. Hudson Valley Community College (Emeritus) Craig T. D’Allaird, P.E. Hudson Valley Community College
ويتناول الموضوعات الأتية :
Brief Contents 1 Introduction 1 2 Principles of Statics 16 3 Resultants of Coplanar Force Systems 31 4 Equilibrium of Coplanar Force Systems 62 5 Analysis of Structures 88 6 Friction 113 7 Centroids and Centers of Gravity 142 8 Area Moments of Inertia 157 9 Stresses and Strains 177 10 Properties of Materials 199 11 Stress Considerations 219 12 Torsion in Circular Sections 247 13 Shear and Bending Moment in Beams 263 14 Stresses in Beams 301 15 Deflection of Beams 334 16 Design of Beams 366 17 Combined Stresses 381 18 Columns 418 19 Connections 436 20 Pressure Vessels 456 21 Statically Indeterminate Beams 466 Appendices 485 Notation 517 Answers to Selected Problems 519 Index 527Contents Preface xi Acknowledgments xiii 1 Introduction 1 1.1 Mechanics Overview 1 1.2 Applications of Statics 2 1.3 The Mathematics of Statics 2 1.4 Calculations and Numerical Accuracy 7 1.5 Calculations and Dimensional Analysis 8 1.6 SI Units for Statics and Strength of Materials 10 Summary by Section Number 13 Problems 13 2 Principles of Statics 16 2.1 Forces and the Effects of Forces 16 2.2 Characteristics of a Force 16 2.3 Units of a Force 16 2.4 Types and Occurrence of Forces 17 2.5 Scalar and Vector Quantities 17 2.6 The Principle of Transmissibility 18 2.7 Types of Force Systems 18 2.8 Orthogonal Concurrent Forces: Resultants and Components 19 Summary by Section Number 26 Problems 27 3 Resultants of Coplanar Force Systems 31 3.1 Resultant of Two Concurrent Forces 31 3.2 Resultant of Three or More Concurrent Forces 35 3.3 Moment of a Force 373.4 The Principle of Moments: Varignon’s Theorem 39 3.5 Resultants of Parallel Force Systems 40 3.6 Couples 47 3.7 Resultants of Nonconcurrent Force Systems 48 Summary by Section Number 50 Problems 51 4 Equilibrium of Coplanar Force Systems 62 4.1 Introduction 62 4.2 Conditions of Equilibrium 62 4.3 The Free-Body Diagram 63 4.4 Equilibrium of Concurrent Force Systems 67 4.5 Equilibrium of Parallel Force Systems 72 4.6 Equilibrium of Nonconcurrent Force Systems 74 Summary by Section Number 77 Problems 77 5 Analysis of Structures 88 5.1 Introduction 88 5.2 Trusses 88 5.3 Forces in Members of Trusses 89 5.4 The Method of Joints 89 5.5 The Method of Sections 94 5.6 Analysis of Frames 97 Summary by Section Number 104 Problems 104 6 Friction 113 6.1 Introduction 113 6.2 Friction Theory 114 6.3 Angle of Friction 115 6.4 Friction Applications 115 6.5 Wedges 1256.6 Belt Friction 128 6.7 Square-Threaded Screws 132 Summary by Section Number 135 Problems 135 7 Centroids and Centers of Gravity 142 7.1 Introduction 142 7.2 Center of Gravity 142 7.3 Centroids and Centroidal Axes 145 7.4. Centroids and Centroidal Axes of Composite Areas 145 Summary by Section Number 151 Problems 152 8 Area Moments of Inertia 157 8.1 Introduction and Definitions 157 8.2 Moment of Inertia 158 8.3 The Transfer Formula 160 8.4 Moment of Inertia of Composite Areas 161 8.5 Radius of Gyration 167 8.6 Polar Moment of Inertia 169 Summary by Section Number 172 Problems 172 9 Stresses and Strains 177 9.1 Introduction 177 9.2 Tensile and Compressive Stresses 177 9.3 Shear Stresses 183 9.4 Tensile and Compressive Strain and Deformation 187 9.5 Shear Strain 188 9.6 The Relation between Stress and Strain (Hooke’s Law) 189 Summary by Section Number 194 Problems 19410 Properties of Materials 199 10.1 The Tension Test 199 10.2 The Stress-Strain Diagram 200 10.3 Mechanical Properties of Materials 203 10.4 Engineering Materials: Metals 205 10.5 Engineering Materials: Nonmetals 209 10.6 Allowable Stresses and Calculated Stresses 210 10.7 Factor of Safety 212 10.8 Elastic-Inelastic Behavior 213 Summary by Section Number 215 Problems 215 11 Stress Considerations 219 11.1 Poisson’s Ratio 219 11.2 Thermal Effects 223 11.3 Members Composed of Two or More Components 226 11.4 Stress Concentration 232 11.5 Stresses on Inclined Planes 235 11.6 Shear Stresses on Mutually Perpendicular Planes 237 11.7 Tension and Compression Caused by Shear 237 Summary by Section Number 240 Problems 240 12 Torsion in Circular Sections 247 12.1 Introduction 247 12.2 Members in Torsion 247 12.3 Torsional Shear Stress 249 12.4 Angle of Twist 255 12.5 Transmission of Power by a Shaft 257 Summary by Section Number 260 Problems 260 13 Shear and Bending Moment in Beams 263 13.1 Types of Beams and Supports 26313.2 Types of Loads on Beams 264 13.3 Beam Reactions 266 13.4 Shear Force and Bending Moment 268 13.5 Shear Diagrams 276 13.6 Moment Diagrams 282 13.7 Sections of Maximum Moment 287 13.8 Moving Loads 289 Summary by Section Number 292 Problems 292 14 Stresses in Beams 301 14.1 Tensile and Compressive Stresses Due to Bending 301 14.2 The Flexure Formula 303 14.3 Computation of Bending Stresses 305 14.4 Shear Stresses 310 14.5 The General Shear Formula 311 14.6 Shear Stresses in Structural Members 313 14.7 Inelastic Bending of Beams 319 14.8 Beam Analysis 322 Summary by Section Number 327 Problems 328 15 Deflection of Beams 334 15.1 Reasons for Calculating Beam Deflection 334 15.2 Curvature and Bending Moment 335 15.3 Methods of Calculating Deflection 337 15.4. The Formula Method 337 15.5 The Moment-Area Method 341 15.6 Moment Diagram by Parts 349 15.7 Applications of the Moment-Area Method 352 Summary by Section Number 360 Problems 36016 Design of Beams 366 16.1 The Design Process 366 16.2 Design of Steel Beams 368 16.3 Design of Timber Beams 374 Summary by Section Number 378 Problems 378 17 Combined Stresses 381 17.1 Introduction 381 17.2 Biaxial Bending 381 17.3 Combined Axial and Bending Stresses 383 17.4 Eccentrically Loaded Members 387 17.5 Maximum Eccentricity for Zero Tensile Stress 390 17.6 Eccentric Load Not on Centroidal Axis 391 17.7 Combined Normal and Shear Stresses 393 17.8 Mohr’s Circle 402 17.9 Mohr’s Circle: The General State of Stress 405 Summary by Section Number 409 Problems 409 18 Columns 418 18.1 Introduction 418 18.2 Ideal Columns 419 18.3 Effective Length 422 18.4 Real Columns 423 18.5 Allowable Stresses for Columns 424 18.6 Axially Loaded Structural Steel Columns (AISC) 425 18.7 Axially Loaded Steel Machine Parts 426 18.8 Axially Loaded Timber Columns 429 Summary by Section Number 432 Problems 433 19 Connections 436 19.1 Introduction 43619.2 Bolts and Bolted Connections (AISC) 436 19.3 Modes of Failure of a Bolted Connection 439 19.4 High-Strength Bolted Connections 441 19.5 Introduction to Welding 446 19.6 Strength and Behavior of Welded Connections (AISC) 447 Summary by Section Number 451 Problems 451 20 Pressure Vessels 456 20.1 Introduction 456 20.2 Stresses in Thin-Walled Pressure Vessels 457 20.3 Joints in Thin-Walled Pressure Vessels 461 20.4 Design and Fabrication Considerations 463 Summary by Section Number 463 Problems 464 21 Statically Indeterminate Beams 466 21.1 Introduction 466 21.2 Restrained Beams 466 21.3 Propped Cantilever Beams 467 21.4 Fixed Beams 470 21.5 Continuous Beams: Superposition 474 21.6 The Theorem of Three Moments 475 Summary by Section Number 482 Problems 482 Appendices 485 Appendix A Selected W Shapes: Dimensions and Properties 486 Appendix B Selected Pipes: Dimensions and Properties 489 Appendix C Selected Channels: Dimensions and Properties 491 Appendix D Selected Angles: Properties for Designing 493 Appendix E Properties of Structural Timber 495 Appendix F Design Values for Timber Construction 499Appendix G Typical Average Properties of Some Common Materials 501 Appendix H Beam Diagrams and Formulas 503 Appendix I Steel Beam Selection Table(Zx ) 509 Appendix J Steel Beam Selection Table(/x ) 511 Appendix K Centroids of Areas by Integration 513 Appendix L Area Moments of Inertia by Integration 515 Notation 517 Answers to Selected Problems 519 Index 527
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