目錄
1 INTRODUCTION
1.1 THE TASK OF MECHANICS OF MATERIALS
1.2 BASIC ASSUMPTIONS OF DEFORMABLE SOLID BODIES
1.3 GEOMETRICAL CHARACTERISTICS OF THE MEMBERS
1.4 ANALYSIS OF INTERNAL FORCES; STRESS AND STRAIN
1.5 BASIC FORMS OF ROD DEFORMATION
2 AXIALLY LOADED BARS
2.1 INTRODUCTION
2.2 INTERNAL FORCES
2.3 STRESSES ON CROSS-SECTIONS AND OBLIQUE SECTIONS
2.4 DEFORMATIONS AND NORMAL STRAINS OF RODS UNDER AXIAL LOADING; HOOKE'S LAW
2.5 STRESS VERSUS STRAIN DIAGRAM IN TENSILE TEST
2.6 STRESS VERSUS STRAIN DIAGRAM IN COMPRESSIVE TEST
2.7 ALLOWABLE STRESS, FACTOR OF SAFETY
2.8 STATICALLY INDETERMINATE PROBLEMS
2.9 PROBLEMS INVOLVING MANUFACTURE ERRORS AND TEMPERATURE CHANGES
PROBLEMS
REVIEW PROBLEMS
3 SHEARING AND BEARING
3.1 INTRODUCTION
3.2 SHEAR STRESS
3.3 BEARING STRESS
PROBLEMS
4 TORSION
4.1 INTRODUCTION
4.2 HOOKE'S LAW IN SHEAR
4.3 TORSION OF CIRCULAR SHAFTS
4.4 DESIGN OF TRANSMISSION SHAFTS
4.5 ANGLE OF TWIST IN THE ELASTIC RANGE; DESIGN OF TRANSMISSION SHAFTS FOR STIFFNESS
4.6 STATICALLY INDETERMINATE SHAFTS
4.7 THIN-WALLED HOLLOW SHAFTS
PROBLEMS
REVIEW PROBLEMS
5 SHEAR AND MOMENT IN BEAMS
5.1 INTRODUCTION
5.2 SUPPORTS AND LOADS
5.3 SHEAR AND BENDING-MOMENT DIAGRAMS
5.4 RELATIONS AMONG LOAD, SHEAR, AND BENDING MOMENT
5.5 INTERNAL-FORCE DIAGRAMS OF RIGID FRAMKS AND CURVED BARS
PROBLEMS
REVIEW PROBLEMS
6 STRESSES IN BEAMS
6.1 INTRODUCTION
6.2 BENDING STRESSES IN PRISMATIC BEAMS IN PURE BENDING
6.3 ECONOMIC SECTIONS
6.4 SHEAR STRESS IN BEAMS
6.5 DESIGN FOR FLEXURE AND SHEAR
6.6 DESIGN OF FASTENERS IN BUILT UP BEAMS
6.7 SHEAR CENTER
6.8 BEAMS OF CONSTANT STRENGTH
PROBLEMS
REVIEW PROBLEMS
7 DEFLECTION OF BEAMS
7.1 INTRODUCTION
7.2 EQUATION OF THE ELASTIC CURVE ~ DOUBLE INTEGRATION METHOD
7.3 METHOD OF SUPERPOSITION
7.4 STATICALLY INDETERMINATE BEAMS
PROBLEMS
REVIEW PROBLEMS
8 STRESS TRANSFORMATIONS AND THEORIES OF FAILURE
8.1 INTRODUCTION
8.2 PRELIMINARY DISCUSSION OF TRANSFORMATION OF STRESS
8.3 TRANSFORMATION OF PLANE STRESS
8.4 MOHR'S CIRCLE FOR PLANE STRESS
8.5 ABSOLUTE MAXIMUM SHEAR STRESS
8.6 MULTIAXIAL LOADING; GENERALIZED HOOKE'S LAW
8.7 THEORIES OF FAILURE
PROBLEMS
9 STRESSES UNDER COMINED LOADS
9.1 INTRODUCTION
9.2 THIN-WALLED PRESSURE VESSELS
9.3 COMBINATION OF AXIAL AND LATERAL LOADS
9.4 ECCENTRIC AXIAL LOADING
9.5 UNSYMMETRICAL BENDING
9.6 COMBINATION OF TORSION AND BENDING; DESIGN OF TRANSMISSION SHAFTS
PROBLEMS
REVIEW PROBLEMS
10 ENERGY METHOD
10.1 INTRODUCTION
10.2 STRAIN ENERGY AND STRAIN ENERGY DENSITY
10.3 WORK AND ENERGY UNDER SEVERAL LOADS; MAXWELL'S RECIPROCAL THEOREM
10.4 THE UNIT LOAD METHOD
10.5 CASTIGLIANO'S THEOREM
10.6 IMPACT LOADING
10.7 DESIGN FOR IMPACT LOAGING
PROBLEMS
REVIEW PROBLEMS
11 STABILITY OF COLUMNS
11.1 INTRODUCFION
11.2 EULER'S FORMULA FOR PIN-ENDED COLUMNS
11.3 EXTENSION OF EULER'S FORMULA TO COLUMNS WITH OTHER END CONDITIONS
11.4 APPLICABILITY OF EULER'S FORMULA; CRITICAL STRGSS DIAGRAM
11.5 DISCOUNT COEFFICIENT METHOD
11.6 OPTIMIZATION OF COLUMN DESIGN FOR STABILITY
PROBLEMS
REVIEW PROBLEMS
APPENDIX A GEOMETRICAL PROPERTIES OF AREAS
A.1 FIRST MOMENT OF AN AREA; CENTROID
A.2 DETERMINATION OF THE FIRST MOMENT AND CENTROID OF A COMPOSITE AREA
A.3 SECOND MOMENT, OR MOMENT OF INERTIA, OF AN AREA; RADIUS OF GYRATION
A.4 PARALLEL-AXIS THEOREM
A.5 DETERMINATION OF THE MOMENT OF INERTIA OF A COMPOSITE AREA
A.6 PRODUCT OF INERTIA FOR AN AREA
A.7 MOMENTS OF INERTIA FOR AN AREA ABOUT INCLINED AXES
STANDARD PROBLEMS
COMPREHENSIVE PROBLEMS
APPENDIX B TYPICAL MECHANICAL PROPERTIES OF SELECTED MAIERIALS USED IN ENGINEERING
APPENDIX C GEOMETRICAL PROPERTIES OF HOT ROLLED-STEEL SHAPES
ANSWERS
REFERENCES