Applied Strength of Materials for Engineering Technology by Barry Dupen

Table of Contents
Preface…………………………………………………………………………………..3
Purpose of the Book…………………………………………………………..3
Editors……………………………………………………………………………..4
Cover Photos…………………………………………………………………….5
Terminology…………………………………………………………………………..6
Definitions……………………………………………………………………………..9
Chapter 1: Introduction to Strength of Materials………………………11
What is the Strength of Materials?………………………………………….11
The Factor-Label Method of Unit Conversion……………………12
Chapter 2: Stress and Strain……………………………………………………17
Normal Stress and Strain………………………………………………….17
Sign Convention……………………………………………………………..19
Shear Stress and Strain…………………………………………………….20
Chapter 3: Poisson’s Ratio and Thermal Expansion………………….23
Poisson’s Ratio………………………………………………………………..23
Thermal Expansion and Thermal Stress…………………………….25
Chapter 4: Pressure Vessels and Stress Concentrations…………….28
Thin-Walled Pressure Vessels…………………………………………..28
Stress Concentration in Tension………………………………………..30
Chapter 5: Bolted and Welded Joints………………………………………33
Bolted Lap Joints Loaded in Tension………………………………..33
Welded Lap Joints…………………………………………………………..38
Chapter 6: Properties of Areas………………………………………………..41
Dimensions and Area……………………………………………………….41
Centroid and Centroidal Axes…………………………………………..41
Moment of Inertia of a Rectangle……………………………………..41
Compound Beams Sharing a Centroidal Axis…………………….42
Hollow Beams Sharing a Centroidal Axis………………………….43
The Transfer Formula………………………………………………………44
Compound Beams With Different Neutral Axes…………………45
Hollow Beams With Different Neutral Axes………………………48
Moment of Inertia about the y-y Neutral Axis……………………51
Shortcuts…………………………………………………………………………54
Radius of Gyration…………………………………………………………..54
Polar Moment of Inertia…………………………………………………..54
Chapter 7: Torsion in Round Shafts………………………………………..55
Shear Stress in a Round Shaft…………………………………………..55
Angle of Twist in a Round Shaft……………………………………….57
Stress Concentration in Torsion………………………………………..58
Chapter 8: Beam Reactions, Shear Diagrams, and Moment
Diagrams………………………………………………………………………………60
Loads on Beams………………………………………………………………60
Reactions for Simply-Supported Simple Beams…………………61
Reactions for Overhanging and Cantilever Beams………………64
Shear Diagrams……………………………………………………………….66
Moment Diagrams…………………………………………………………..72
Chapter 9: Stresses in Beams………………………………………………….82
Bending Stress in Beams………………………………………………….82
Bending Stress in Wide-Flange Steel Beams……………………..84
Shear Stress in Beams………………………………………………………87
Allowable Load……………………………………………………………….92
Chapter 10: Beam Deflection…………………………………………………94
Radius of Curvature…………………………………………………………94
The Formula Method for Simple Cases……………………………..95
Formula Method Hints……………………………………………………..98
The Formula Method for Complex Cases: Superposition…….98
Visualizing the Deflection Curve…………………………………….100
Chapter 11: Beam Design…………………………………………………….102
Wide-Flange Steel Beam Design in Six Easy Steps…………..102
Timber Beam Design in Six Easy Steps…………………………..108
All Other Beams……………………………………………………………110
Chapter 12: Combined Stresses…………………………………………….112
Tension + Bending…………………………………………………………112
Bending in Two Directions…………………………………………….112
Eccentric Loading………………………………………………………….114
Chapter 13: Statically Indeterminate Beams…………………………..118
Defining Determinate and Indeterminate Beams………………118
Method of Superposition………………………………………………..118
Chapter 14: Buckling of Columns…………………………………………124
Types of Columns………………………………………………………….124
Ideal Slender Columns…………………………………………………..124
Structural Steel Columns………………………………………………..126
Steel Machine Parts……………………………………………………….127
Chapter 15: Visualizing Stress and Strain………………………………130
Measuring Stress……………………………………………………………130
Stress at the Base of a Short Block………………………………….130
Mohr’s Circle…………………………………………………………………131
Bibliography……………………………………………………………………….148
Textbooks……………………………………………………………………..148
Other Reading Material………………………………………………….148
Appendix A: Units………………………………………………………………149
SI System of Units…………………………………………………………149
US Customary System of Units………………………………………149
Appendix B: Materials Properties…………………………………………150
Metals, Concrete, & Stone……………………………………………..150
Appendix C: Properties of Areas…………………………………………..154
Center of Gravity, Area, Moment of Inertia, and Radius of
Gyration……………………………………………………………………….154
Appendix D: Properties of Steel Beams and Pipes………………….157
W-beams………………………………………………………………………157
Steel Pipes…………………………………………………………………….161
Copper Tubing………………………………………………………………162
Appendix E: Mechanical and Dimensional Properties of Wood.163
Mechanical Properties of Air-Dried Boards and Timber……163
Softwood Lumber and Timber Sizes……………………………….164
Appendix F: Beam Equations……………………………………………….166
Index………………………………………………………………………………….171
Index………………………………………………………………………………….171