Preface 1 Basic Concepts in Strength of Materials 1-1 Objective of this Book—to Ensure Safety 1-2 Objectives of this Chapter 1-3 Problem-Solving Procedure 1-4 Basic Unit Systems 1-5 Relationship Among Mass, Force, and Weight 1-6 The Concept of Stress 1-7 Direct Normal Stress 1-8 Stress Elements for Direct Normal Stresses 1-9 Direct Shear Stress 1-10 Stress Elements for Shear Stresses 1-11 Bearing Stress 1-12 The Concept of Strain 1-13 Poisson\'s Ratio 1-14 Shearing Strain 1-15 Modulus of Elasticity 1-16 Modulus of Elasticity in Shear 1-17 Preferred Sizes and Standard Shapes 1-18 Experimental and Computational Stress Analysis Problems 2 Design Properties of Materials 2-1 Objectives of this Chapter 2-2 Metals in Mechanical and Structural Design 2-3 Steel 2-4 Cast Iron 2-5 Aluminum 2-6 Copper, Brass, and Bronze 2-7 Zinc, Magnesium, and Titanium 2-8 Nonmetals in Engineering Design 2-9 Wood 2-10 Concrete 2-11 Plastics 2-12 Composites Problems 3 Design of Members under Direct Stresses 3-1 Objectives of this Chapter 3-2 Design of Members under Direct Tension or Compression 3-3 Design Normal Stresses 3-4 Design Factor 3-5 Design Approaches and Guidelines for Design Factors 3-6 Methods of Computing Design Stress 3-7 Design Shear Stress 3-8 Design Bearing Stress 3-9 Stress Concentration Factors Problems 4 Axial Deformation and Thermal Stress 4-1 Objectives of this Chapter 4-2 Elastic Deformation in Tension and Compression Members 4-3 Deformation Due to Temperature Changes 4-4 Thermal Stress 4-5 Members Made of More Than One Material Problems 5 Torsional Shear Stress and Torsional Deformation 5-1 Objectives of this Chapter 5-2 Torque, Power, and Rotational Speed 5-3 Torsional Shear Stress in Members with Circular Cross Sections 5-4 Development of the Torsional Shear Stress Formula 5-5 Polar Moment of Inertia for Solid Circular Bars 5-6 Torsional Shear Stress and Polar Moment of Inertia for Hollow Circular Bars 5-7 Design of Circular Members under Torsion 5-8 Comparison of Solid and Hollow Circular Members 5-9 Twisting—Elastic Torsional Deformation Problems Computer Assignments 6 Shearing Forces and Bending Moments in Beams 6-1 Objectives of this Chapter 6-2 Beam Loading, Supports, and Types of Beams 6-3 Reactions at Supports 6-4 Sheafing Forces and Bending Moments for Concentrated Loads 6-5 Guidelines for Drawing Beam Diagrams for Concentrated Loads 6-6 Sheafing Forces and Bending Moments for Distributed Loads 6-7 General Shapes Found in Bending Moment Diagrams 6-8 Sheafing Forces and Bending Moments for Cantilever Beams Problems 7 Centroids and Moments of Inertia of Areas 7-1 Objectives of this Chapter 7-2 The Concept of Centroid—Simple Shapes 7-3 Centroid of Complex Shapes 7-4 The Concept of Moment of Inertia 7-5 Moment of Inertia of Composite Shapes whose Parts have the Same Centroidal Axis 7-6 Moment of Inertia for Composite Shapes—General Case--Use of the Parallel Axis Theorem 7-7 Mathematical Definition of Moment of Inertia 7-8 Moment of Inertia for Shapes with all Rectangular Parts 7-9 Radius of Gyration Problems Computer Assignments 8 Stress Due to Bending 8-1 Objectives of this Chapter 8-2 The Flexure Formula 8-3 Conditions on the Use of the Flexure Formula 8-4 Stress Distribution on a Cross Section of a Beam 8-5 Derivation of the Flexure Formula 8-6 Applications--Beam Analysis 8-7 Applications--Beam Design and Design Stresses 8-8 Section Modulus and Design Procedures Problems Computer Assignments 9 Shearing Stresses in Beams 9-1 Objectives of this Chapter 9-2 Importance of Shearing Stresses in Beams 9-3 The General Shear Formula 9-4 Distribution of Shearing Stress in Beams 9-5 Development of the General Shear Formula 9-6 Special Shear Formulas 9-7 Design Shear Stress Problems 10 Special Cases of Combined Stresses 10-1 Objectives of this Chapter 10-2 The Stress Element 10-3 Stress Distribution Created by Basic Stresses 10-4 Combined Normal Stresses 10-5 Combined Normal and Shear Stresses Problems 11 The General Case of Combined Stress and Mohr\'s Circle 11-1 Objectives of this Chapter 11-2 Creating the Initial Stress Element 11-3 Equations for Stresses in Any Direction 11-4 Principal Stresses 11-5 Maximum Shear Stress 11-6 Mohr\'s Circle for Stress 11-7 Special Case in which Both Principal Stresses have the Same Sign 11-8 The Maximum Shear Stress Theory of Failure Problems Computer Assignments 12 Deflection of Beams 12-1 Objectives of this Chapter 12-2 The Need for Considering Beam Deflections 12-3 Definition of Terms 12-4 Beam Deflections Using the Formula Method 12-5 Superposition Using Deflection Formulas 12-6 Basic Principles for Beam Deflection by Successive Integration Method 12-7 Beam Deflections—Successive Integration Method--General Approach Problems Computer Assignments 13 Statically Indeterminate Beams 13-1 Objectives of this Chapter 13-2 Formulas for Statically Indeterminate Beams 13-3 Superposition Method Problems Computer Assignment 14 Columns 14-1 Objectives of This Chapter 14-2 Slenderness Ratio 14-3 Transition Slenderness Ratio 14-4 The Euler Formula for Long Columns 14-5 The J B Johnson Formula for Short Columns 14-6 Summary--Buckling Formulas 14-7 Design Factors for Columns and Allowable Load 14-8 Summary--Method of Analyzing Columns 14-9 Efficient Shapes for Column Cross Sections Problems Computer Assignments Appendix Answers to Selected Problems 教學(xué)支持說明
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