TMECHANICS OF STRUCTURES VOL. I[STRENGTH OF MATERIALS]By Dr. H. J. Shah & S. B. Junnarkar Edition : 32nd Edition : 2016 ISBN : 9789385039270 Size : 170 mm × 235 mm Binding : Paperback Pages : 988 + 20 = 1008` 425.00ABOUT THE BOOKThis standard text-book along with its companion Vol. II is designed to cover the complete syllabi of the subjects of Strength of Materials and Theory and Analysis of Structures. The outline of the book is: Chapters 1 to 8 consist the study of Stresses and Strains Chapters 9 and 24 discuss the Testing of Materials Chapters 10 and 11 Shear Forces and Bending Moments Chapters 12 and 13 Properties of Lines and Areas Chapters 14 and 15 Stresses in Beams Chapters 16 and 17 Deflections Chapters 18 and 19 Analysis of Fixed and Continuous Beams Chapters 20 and 21 Composite and Reinforced Concrete Beams Chapters 22 Direct and Bending Stresses and Chapter 23 Torsion Chapters 25 Columns and Struts of Uniform Section Chapters 26 Cylindrical and Spherical Shells Chapters 27 and 28 Riveted, Bolted and Welded Joints Chapters 29, 30 and 31 consist of special topics such as Shear Centre, Unsymmetrical Bending and Bending Stresses in Curved Bars. The book within its 971 + 20 pages, it now comprise the following: * 900 Neatly drawn figures * 600 Fully illustrated solved examples * 715 Unsolved examples with answers at the end of chapters * 33 Useful tables It is hoped that this edition should prove extremely useful to students of Engineering reading for Degree Examinations of all the Universities of India, Diploma Examinations conducted by various Boards of Technical Education, Certificate Courses, as well as for the U.P.S.C., G.A.T.E., A.M.I.E., I.E.S and other similar competitive and professional examinations. It should also prove of great interest and practical use to the practising engineers.CONTENT1 : Simple Stress 2 : Simple Strain 3 : Statically Indeterminate Members 4 : Thermal Stresses and Strains 5 : Stresses on Inclined Planes 6 : Combined Stresses 7 : Mohr’s Circle Method 8 : Impact or Shock Loading: Strain-energy 9 : Testing of Materials – I 10 : Shear Forces and Bending Moments – I 11 : Shear Forces and Bending Moments – II 12 : Centroids of Lines And Areas 13 : Area Moments of Inertia 14 : Bending Stresses in Beams 15 : Shear Stresses in Beams 16 : DEFLECTIONS I 17 : Deflections II 18 : FIXED BEAMS 19 : CONTINUOUS BEAMS 20 : Composite beams 21 : Reinforced Concrete beams 22 : Direct and bending stresses 23 : Shafts and springs in torsion 24 : Testing of materials – II 25 : Columns and struts of uniform section 26 : radial pressure – cylindrical and spherical shells 27 : Riveted and bolted joints 28 : Welded joints 29 : Shear centre 30 : Unsymmetrical bending 31 : Bending stresses in curved barsMECHANICS OF STRUCTURES VOL. I Detailed ContentsChapter 1 Simple Stress 1-1. Introduction to Mechanics of deformable bodies 1-2. Loading a bar 1-3. Principle of superposition 1-4. Classification of loaded bar 1-5. Gradual, sudden, impact and shock loading 1-6. Tension and compression 1-7. Resistance of an axially loaded bar 1-8. Concept of a stress 1-9. Normal stresses 1-10. Simple stress 1-11. Design of an axially loaded member 1-12. Non-prismatic bars 1-13. Axial force diagram 1-14. Rotating rings 1-15 Shear 1-16. Shear stress 1-17. Pure shear 1-18. Bearing stress Examples I Chapter 2 Simple Strain 2-1 Introduction 2-2. Linear strain 2-3. Shear strain 2-4. Elasticity 2-5. Hooke’s law 2-6. Axial and shear deformations 2-7. Bars of varying section 2-8. Bars of uniformly varying cross-section 2-9. A bar subjected to self-weight 2-10. Bar of uniform strength 2-11. Bars subjected to uniformly varying loads 2-12. Pin-jointed determinate frames 2-13. Lateral strain: Poisson’s ratio 2-14. Biaxial and triaxial deformations Examples II Chapter 3 Statically Indeterminate Members 3-1. Introduction 3-2. Composite bars 3-3. Equivalent modulus of a composite bar 3-4. Pin-jointed bars 3-5. Stresses due to lack of fit Examples III Chapter 4 Thermal Stresses and Strains 4-1. Introduction 4-2. General 4-3. Coefficient of linear expansion 4-4. Stresses due to changes of temperature 4-5. Compound bar 4-6. Composite bar 4-7. Bars of uniformly varying cross-section 4-8. Shrinking-on Examples IV Chapter 5 Stresses on Inclined Planes 5-1. Introduction 5-2. Stresses on inclined plane of a bar under tension or compression 5-3. State of pure shear: Stresses on inclined planes 5-4. Linear strain of the diagonal BD 5-5. Relation between the Moduli of Elasticity and Rigidity for a given material 5-6. Bulk Modulus 5-7. Relation between three elastic constants Examples V Chapter 6 Combined Stresses 6-1. Introduction 6-2. Stress components 6-3. Element subjected to general plane stress system 6-4. Principal planes and principal stresses 6-5. Planes carrying maximum shear stress 6-6. Element subjected to principal stresses Examples VI Chapter 7 Mohr’s Circle Method 7-1. Mohr’s circle method Sign conventions Rules and construction Examples VII Chapter 8 Impact or Shock Loading: Strain-energy 8-1. Introductory Axial Loading 8-2. Strain-Energy: Resistance-deformation diagram 8-3. Gradual, sudden, impact and shock loading 8-4. Limitations Shear Loading 8-5. Shear Resilience 8-6. Strain-energy in terms of principal stresses 8-7. Relation between the elastic moduli 8-8. Criteria for design Examples VIII Chapter 9 Testing of Materials – I 9-1. Introduction 9-2. Metals and alloys 9-3. Testing machines Tension Tests 9-4. The complete tensile test 9-5. Stress–strain diagram 9-6. Physical properties of materials 9-7. Modulus of elasticity 9-8. Yield point by the offset method: Proof stress 9-9. Secant modulus 9-10. Specific modulus of elasticity 9-11. Resilience 9-12. Toughness Compression tests 9-13. The compression test 9-14. Compression tests on wood and concrete 9-15. Permissible stress: Factor of safety Stress concentration 9-16. Stress concentration 9-17. Stress concentration factor 9-18. Importance of stress concentration under different loads 9-19. Elastoplastic materials: Limit design Examples IX Chapter 10 Shear Forces and Bending Moments – I 10-1. Introductory 10-2. Types of beams 10-3. Actions on the cross-section of a beam 10-4. Sign conventions 10-5. Shear Force (S.F.) and Bending Moment (B.M.) diagrams 10-6. Cantilevers 10-7. Simply supported beams 10-8. Relation between the S.F. and the B.M. at a cross-section of a beam 10-9. Overhanging beams Examples X Chapter 11 Shear Forces and Bending Moments – II 11-1. Introduction 11-2. S.F. and B.M. diagrams for beams with variable loading 11-3. Beams with end couples 11-4. Beams with an intermediate couple 11-5. Supports offering pressures 11-6. Cantilever structures 11-7. Principle of superposition 11-8. Moment and loading diagrams drawn from shear diagrams 11-9. Beams subjected to inclined loads 11-10. Inclined beams 11-11. Graphical methods Examples XI Chapter 12 Centroids of Lines And Areas 12-1. Introduction Centroids 12-2. First moment of an element of line and area 12-3. First moment of a line segment and a finite area 12-4. Centroids of lines and areas 12-5. Centroids of symmetrical lines and areas 12-6. Centroids by integration 12-7. Summary of centroids of common figures 12-8. Centroids of composite areas Examples XII Chapter 13 Area Moments of Inertia 13-1. Introduction 13-2. Definitions 13-3. Radius of gyration 13-4. Parallel axis theorem 13-5. Moment of inertia by integration 13-6. Moment of inertia of composite areas 13-7. Graphical method for first and second moments of a plane section about an axis in its plane 13-8. Product of inertia 13-9. Moment of inertia with respect to inclined axes: Rotation of axes 13-10. Principal moments of inertia: Principal axes 13-11. Mohr’s circle for moments of inertia 13-12. The Mohr Land circle of inertia 13-13. Momental ellipse Examples XIII Chapter 14 Bending Stresses in Beams 14-1. Simple bending 14–2. Theory of simple bending 14-3. Modulus of section or section modulus 14-4. Application of bending equation 14-5. Modulus of rupture 14-6. Beams of rectangular section 14-7. Strength of sections 14-8. Economic sections 14-9. Unsymmetrical and built-up sections 14-10. The Modulus figure 14-11. Beam of uniform strength 14-12. Strain energy in flexure 14-13. Laminated springs Examples XIV Chapter 15 Shear Stresses in Beams 15-1. Resistance to shear force: shear stresses 15-2. Shear flow 15-3. Shear stresses in beams of rectangular and circular sections 15-4. Shear stresses in beams of I-section 15-5. Assumptions and limitations of the shear stresses formula 15-6. Shear stresses in built-up sections 15-7. Beam of square section with one diagonal horizontal 15-8. Design for flexure and shear 15-9. Principal stresses and Principal planes at a point in a beam section 15-10. Curves of principal stresses 15-11. Principal stresses in an I-section 15-12. Strain-energy due to shear in a beam Examples XV Chapter 16 DEFLECTIONS I 16-1. Introductory 16-2. Use of deflection computations 16-3. Bending into a circular arc 16-4. Relation between slope deflection and radius of curvature 16-5. Axes of reference 16-6. Limitations of the equation of elastic line 16-7. Computations from basic equation 16-8. Using the principle of superposition 16-9. Cantilevers 16-10. Propped cantilevers 16-11. Simply supported beams 16-12. Relation between maximum stress and maximum deflection 16-13. Propped beams — Rigid and elastic props 16-14. Simply supported beam with an eccentric load W 16-15. Non-prismatic beams 16-16. Macaulay’s method 16-17. Variable loading on a beam of uniform section 16-18. Closure Examples XVI Chapter 17 Deflections II 17-1. Moment area method 17-2. Method of elastic weights 17-3. Conjugate beam method 17-4. Impact loading on beams 17-5. Deflection by strain energy 17-6. Beams of variable section 17-7. Graphical methods Examples XVII Chapter 18 FIXED BEAMS 18-1. Introductory Indeterminate Structures 18-2. Determinateness of the structure 18-3. Use of indeterminate structures 18-4. Methods of analysis Fixed Beams 18-5. Fixed, built in, restrained or encastré beams 18-6. Method of superposition 18-7. Double integration method 18-8. Solution by moment area method 18-9. Sinking of support 18-10. Rotation of support 18-11. Review of deflection methods 18-12. Degree of restraint at supports for maximum bending moment to be as small as possible 18-13. Beams with related deflections Examples XVIII Chapter 19 CONTINUOUS BEAMS 19-1. Continuous beams 19-2. The three moment theorem 19-3. Support settlement Examples XIX Chapter 20 Composite beams 20-1. Introductory 20-2. Flitched beams 20-3. Equivalent section: Transformed area method 20-4. Deflection of composite beams Examples XX Chapter 21 Reinforced Concrete beams 21-1. Reinforced concrete 21-2. Compressive strength of concrete 21-3. Steel as reinforcement 21-4. Types of reinforcement 21-5. Mild steel bars 21-6. High yield strength deformed (HYSD) bars 21-7. Design of a beam 21-8. Classification of beams 21-9. Balanced, Under-reinforced and Over-reinforced design 21-10. Permissible stresses 21-11. Assumptions for flexure design Singly Reinforced Beams 21-12. Derivation of formulae for balanced design 21-13. Transformed area method 21-14. Types of problems Examples XXI Chapter 22 Direct and bending stresses 22-1. Introduction 22-2. Combined axial and flexural load 22-3. Biaxial loading 22-4. Eccentric loading 22-5. Limit of eccentricity 22-6. Double eccentricity 22-7. Wind pressure on walls and chimney shafts 22-8. Coefficient of wind-resistance 22-9. Water and earth pressure on walls Examples XXII Chapter 23 Shafts and springs in torsion 23-1. Introduction 23-2. Assumptions 23-3. Derivation of torsion formulae 23-4. Power transmitted: design of shafts 23-5. Torque diagrams 23-6. Stepped shaft 23-7. Composite shafts and tapered shaft 23-8. Keys and couplings 23-9. Combined bending and torsion 23-10. Combined bending and torsion and axial thrust 23-11. Torsion resilience of shafts 23-12. Shafts of non-circular sections subjected to torsion 23-13. Closely coiled helical springs: Axial loading 23-14. Closely coiled helical springs: Axial moment 23-15. Open coiled helical springs Examples XXIII Chapter 24 Testing of materials – II 24-1. Flexure tests 24-2. Important flexure tests 24-3. Shear tests 24-4. Hardness 24-5. Brinell hardness test 24-6. Rockwell hardness test 24-7. Impact tests 24-8 Fatigue 24-9. Stress spectrum 24-10. Fatigue tests 24-11. The S-N curve 24-12. Endurance limit or fatigue limit 24-13. Fatigue failure Examples XXIV Chapter 25 Columns and struts of uniform section 25-1. Axial loading 25-2. Very long columns — Euler’s formula 25-3. Limitations of Euler’s formulae 25-4. Intermediate columns 25-5. Rankine’s formula 25-6. Design of struts and columns 25-7. Other empirical formulae 25-8. Long columns under eccentric loading 25-9. Prof. Perry’s formula 25-10. Initial curvature on long column: Axial loading 25-11. Perry-Robertson formula 25-12. B.I.S. formula 25-13. Struts with transverse loading Examples XXV Chapter 26 radial pressure – cylindrical and spherical shells 26-1. Thin seamless cylindrical shells 26-2. Riveted boiler shells 26-3. Thin spherical shell 26-4. Wire-bound thin pipes or shells 26-5. Thick cylinders: Lami’s formulae 26-6. Design of thick cylindrical shells 26-7. Compound cylinders 26-8. Shrink-fit allowance: Initial difference of radii at junction 26-9. Thick spherical shells Examples XXVI Chapter 27 Riveted and bolted joints 27-1. Introductory 27-2. Rivets and riveting 27-3. Bolts and bolting 27-4. Bearing and friction type connections 27-5. Types of riveted and bolted joints 27-6. Definitions 27-7. Possible ways of failure of bearing type connection 27-8. Strength of a bearing type connection 27-9. Fastener value 27-10. Design of a riveted/bolted joint 27-11. Riveted joints in boiler shells 27-12. Structural joints 27-13. Diamond fastening 27-14. Pitch of rivets in built-up girders 27-15. Eccentric loading on rivets Examples XXVII Chapter 28 Welded joints 28-1. Introductory 28-2. Forms of welded joints 28-3. Strength of a welded joint 28-4. Eccentric loading on welded joints Examples XXVIII Chapter 29 Shear centre 29-1. Shear flow in thin-walled open sections 29-2. Shear centre Examples XXIX Chapter 30 Unsymmetrical bending 30-1. Introductory 30-2. Unsymmetrical bending 30-3. Bending stress through product of inertia 30-4. The Z-polygon Examples XXX Chapter 31 Bending stresses in curved bars 31-1. Pure bending of curved bars 31-2. Stresses in beams of large initial curvature 31-3. Rectangular cross-section 31-4. Trapezoidal cross-section 31-5. Inverted T-section 31-6. I-section 31-7. Circular cross-section 31-8. Crane hooks 31-9. Stresses in curved bars of small initial curvature 31-10. Piston rings Examples XXXI
About the Book
This well-known text-book now in its Twenty Fifth Edition, provides an up-to-date account of the basic principles on various functions and working of Railways. Its excellent material fills a significant void in the literature of Railway Engineering. Chapter of Rapid Transit System which contains latest information on Delhi Metro, Kolkata Metro, Dubai Metro and Tube Railways. The substantial matter with sufficient solved problems covering the new syllabus in railway engineering of almost all the Indian Universities as well as Polytechnic Institutions and also examples of latest and modern railways and tunnels constructed during past decade are cited at appropriate places. Appendix-I covers updated information regarding “Units of the Indian Railways” and Appendix-II gives information about “Training Institutions of the Indian Railways”. Appendix-III describes some of the “Famous Indian Trains”, Appendix-IV contains the list of “Abbreviated Terms” used in the book and in Appendix-V “Multiple Choice Questions”. All the articles have been given the numbers to enhance the readability and convenience of the reader. The topics of the subject are covered in 23 well-arranged chapters and 5 appendices; it now contains: * 233 Self-explanatory and Neatly Drawn Diagrams * 26 Useful Tables * 27 Solved Illustrative Problems * 191 Multiple Choice Questions * 371 Questions at the end of the chapters. The book should prove to be extremely useful to the Civil Engineering students preparing for the Degree Examinations of all the Indian Universities, Diploma Examinations conducted by various Boards of Technical Education, Certificate Courses as well as for the A.M.I.E., U.P.S.C., G.A.T.E., I.E.S. and other similar competitive and professional examinations. It should also prove of interest to the practising professionals.
1 : INTRODUCTION 2 : RAILWAY SURVEYS 3 : TRAIN RESISTANCES AND ROLLING STOCK 4 : RAIL GAUGES 5 : RAILS 6 : RAIL FASTENINGS 7 : SLEEPERS 8 : BALLAST 9 : PLATE-LAYING 10 : MAINTENANCE 11 : CREEP 12 : CURVATURE OF TRACK 13 : STATIONS AND YARDS 14 : STATION MACHINERY 15 : POINTS AND CROSSINGS 16 : COMBINATIONS OF POINTS AND CROSSINGS 17 : SIGNALLING 18 : INTERLOCKING 19 : RAILWAY TRACTION 20 : EARTHWORK AND DRAINAGE 21 : TUNNELLING 22 : RAPID TRANSIT SYSTEM 23 : MATERIALS MANAGEMENT Appendix I : UNITS OF THE INDIAN RAILWAYS Appendix II : TRAINING INSTITUTIONS OF THE INDIAN RAILWAYS Appendix III : FAMOUS INDIAN TRAINS Appendix IV : Abbreviated Terms Appendix V : Multiple Choice questions Bibliography index