Reinforced concrete structures Vol.2
Punmia, B. C. & others
Reinforced concrete structures Vol.2 - Ed. 5 - New Delhi Laxmi Publications [P] Ltd. 2008 - xix,1144p.
CONTENTS PART 1. WATER TANKS 1. BEAMS CURVED IN PLAN 1.1.Introduction : Torsionalmomentsin beams 1 1.2.Circular beam supported symmetrically 4 1.3.Semicircular beam simply supported on three equally spaced columns 11 1.4. Curved beam simply supported at ends and continuous over two equally spaced intermediate supports 17 1.5.Curved beam fixed at ends 20 1.6.Semi-circular beam with slab 26 1.7.Torsion factor 29 1.8.Stresses due to torsion in concrete beams 33 1.9.Indian standard Code for design for torsion (IS : 456-1978)42 Problems 56 2. DOMES 2.1.Introduction 57 2.2.Nature of stresses in spherical domes 57 2.3.Analysis of spherical domes 59 2.4.Stresses due to wind load 65 2.5.Design of R.C. domes 65 2.6.Conical domes 72 Problems 76 3. CIRCULAR AND INTZE TANKS 3.1. Introduction 77 3.2.General design requirements according to Indian Standard Code of Practice (IS : 3370, Part II, 1965) 78 3.3.Joints in water tanks 83 3.4.Circular tank with rigid joint between floor and wall 86 3.5.I.S. Code method and other methods for cylindrical tanks 95 3.6.Design of flat base slab for elevated circular tanks 126 3.7. Circular tank with domed bottom and roof 139 3.8. Intze tank 160 3.9. Effects of continuity 166 3.10. Design of tank supporting towers 166 3.11. Design of foundations 180 Problems 230 4. RECTANGULAR TANKS 4.1 Introduction 231 4.2 Approximate method 232 4.3. Exact method241 Problems 260 5. UNDERGROUND TANKS 5.1.Introduction261 5.2. Earth pressure on tank walls 261 5.3. Uplift pressure on the floor of the tank 264 5.4. Design of rectangular tank 264 Problems 278 PART 2. PIPES, SILOS & CHIMNEYS CHAPTER 6. REINFORCED CONCRETE PIPES 6.1. Loads on pipes 281 6.2 Stresses due to hydrostatic pressure282 6.3.Stresses due to self weight 283 6.4.Stresses due to weightof water inside 286 6.5 Stresses due to earthfill over haunches 287 6.6. Stresses due to uniformly distributed load on top 288 6.7.Stresses due to uniform pressure from sides 288 6.8.Stresses due to triangularly distributed load 289 6.9.Stresses due to point load on crown 290 6.10. Stresses due to over-burden and external loads 291 Problems 300 7. BUNKERS AND SILOS 7.1.Introduction 301 7.2. Janssen's theory 302 7.3. Airy's theory 306 7.4. Bunkers .. 311 7.5. Hopper bottom 313 7.6. Indian Standard on design of bins 316 Problems 340 8. CHIMNEYS 8.1.Introduction341 8.2. Wind pressure 341 8.3. Stresses in chimney shaft due to self- weight and wind 342 8.4.Stresses in horizontal reinforcement due to wind shear 347 8.5.Stresses due to temperature difference 348 8.6 Combined effect of self load, wind and temperature 350 8.7.Temperature stresses in horizontal reinforcement 355 8.8.Design of R.C. chimney356 Problems 366 PART 3. CONCRETE FRAMES 9. PORTAL FRAMES 9.1. Introduction 369 9.2.Analysis of portal frames 370 9.3.Design of rectangular portal frame with vertical loads 370 9.4.Design of hinge at the base385 Problems 386 10. BUILDING FRAMES 10.1 Introduction387 10.2. Substitute frames 388 10.3. Analysis for vertical loads 391 10.4. Methods of computing B.M. 394 10.5. Analysis of frames subjected to horizontal forces407 10.6. Portal method 408 10.7. Cantilever method 410 10.8. Factor method 419 Problems 433 PART 4. CONCRETE BRIDGES 11. AQUEDUCTS AND BOX CULVERTS 11.1. Aqueducts and syphon aqueducts 437 11.2. Design of an aqueduct 438 11.3. Box culvert 444 11.4. Design of box culvert 444 Problems 462 12. CONCRETE BRIDGES 12.1. Introduction : Various types of bridges 463 12.2. Selection of type of bridge and economic span length 467 12.3. Types of loads, forces and stresses 468 12.4. Live load 468 12;5. Impact effect 476 12.6. Wind load 478 12.7. Longitudinal forces 479 12.8. Lateral loads 481 12.9. Centrifugal force 481 12.10. Width of roadway and footway 482 12.11. General design requirements 482 12.12. Solid slab bridges 487 12.13. Deck girder bridges 505 12.14. B.M. in slab supported on four edges 507 12.15. Distribution of live loads on longitudinal beams 522 12.16. Method of distribution coefficients 524 12.17. Courbon's method 547 12.18. Design of a T-beam bridge 549 12.19. Balanced cantilever bridge 613 Problems 657 PART 5. LIMIT STATE METHOD 13. DESIGN CONCEPTS 13.1. Methods of design 661 13.2. Safety and serviceability requirements (IS : 456-1978) 663 133. Characteristic and design values and partial safety factors 664 Problems666 14. SINGLY REINFORCED SECTIONS 14.1. Limit state of collapse in flexure667 14.2. Stress strain relationship for concrete 669 143. Stress-strain relationship for steel 669 14.4. Stress block parameters 672 14.5. Design stress block parameters (IS : 456-1978) 675 14.6. Singly reinforced rectangular beams 677 14.7. Procedure for finding moment of resistance 679 14.8. Design of rectangular beam section 682 Problems692 15. DOUBLY REINFORCED SECTIONS 15.1. Necessity 693 15.2. Stress block and KA. 693 153. Determination of moment of resistance 695 15.4. Design of a doubly reinforced section 697 Problems 704 16. T AND L-BEAMS 16.1. Introduction 705 16.2. Stress block and N.A. 706 16.3. Moment of resistance when xu
8170080835
624.18341 / PUN
Reinforced concrete structures Vol.2 - Ed. 5 - New Delhi Laxmi Publications [P] Ltd. 2008 - xix,1144p.
CONTENTS PART 1. WATER TANKS 1. BEAMS CURVED IN PLAN 1.1.Introduction : Torsionalmomentsin beams 1 1.2.Circular beam supported symmetrically 4 1.3.Semicircular beam simply supported on three equally spaced columns 11 1.4. Curved beam simply supported at ends and continuous over two equally spaced intermediate supports 17 1.5.Curved beam fixed at ends 20 1.6.Semi-circular beam with slab 26 1.7.Torsion factor 29 1.8.Stresses due to torsion in concrete beams 33 1.9.Indian standard Code for design for torsion (IS : 456-1978)42 Problems 56 2. DOMES 2.1.Introduction 57 2.2.Nature of stresses in spherical domes 57 2.3.Analysis of spherical domes 59 2.4.Stresses due to wind load 65 2.5.Design of R.C. domes 65 2.6.Conical domes 72 Problems 76 3. CIRCULAR AND INTZE TANKS 3.1. Introduction 77 3.2.General design requirements according to Indian Standard Code of Practice (IS : 3370, Part II, 1965) 78 3.3.Joints in water tanks 83 3.4.Circular tank with rigid joint between floor and wall 86 3.5.I.S. Code method and other methods for cylindrical tanks 95 3.6.Design of flat base slab for elevated circular tanks 126 3.7. Circular tank with domed bottom and roof 139 3.8. Intze tank 160 3.9. Effects of continuity 166 3.10. Design of tank supporting towers 166 3.11. Design of foundations 180 Problems 230 4. RECTANGULAR TANKS 4.1 Introduction 231 4.2 Approximate method 232 4.3. Exact method241 Problems 260 5. UNDERGROUND TANKS 5.1.Introduction261 5.2. Earth pressure on tank walls 261 5.3. Uplift pressure on the floor of the tank 264 5.4. Design of rectangular tank 264 Problems 278 PART 2. PIPES, SILOS & CHIMNEYS CHAPTER 6. REINFORCED CONCRETE PIPES 6.1. Loads on pipes 281 6.2 Stresses due to hydrostatic pressure282 6.3.Stresses due to self weight 283 6.4.Stresses due to weightof water inside 286 6.5 Stresses due to earthfill over haunches 287 6.6. Stresses due to uniformly distributed load on top 288 6.7.Stresses due to uniform pressure from sides 288 6.8.Stresses due to triangularly distributed load 289 6.9.Stresses due to point load on crown 290 6.10. Stresses due to over-burden and external loads 291 Problems 300 7. BUNKERS AND SILOS 7.1.Introduction 301 7.2. Janssen's theory 302 7.3. Airy's theory 306 7.4. Bunkers .. 311 7.5. Hopper bottom 313 7.6. Indian Standard on design of bins 316 Problems 340 8. CHIMNEYS 8.1.Introduction341 8.2. Wind pressure 341 8.3. Stresses in chimney shaft due to self- weight and wind 342 8.4.Stresses in horizontal reinforcement due to wind shear 347 8.5.Stresses due to temperature difference 348 8.6 Combined effect of self load, wind and temperature 350 8.7.Temperature stresses in horizontal reinforcement 355 8.8.Design of R.C. chimney356 Problems 366 PART 3. CONCRETE FRAMES 9. PORTAL FRAMES 9.1. Introduction 369 9.2.Analysis of portal frames 370 9.3.Design of rectangular portal frame with vertical loads 370 9.4.Design of hinge at the base385 Problems 386 10. BUILDING FRAMES 10.1 Introduction387 10.2. Substitute frames 388 10.3. Analysis for vertical loads 391 10.4. Methods of computing B.M. 394 10.5. Analysis of frames subjected to horizontal forces407 10.6. Portal method 408 10.7. Cantilever method 410 10.8. Factor method 419 Problems 433 PART 4. CONCRETE BRIDGES 11. AQUEDUCTS AND BOX CULVERTS 11.1. Aqueducts and syphon aqueducts 437 11.2. Design of an aqueduct 438 11.3. Box culvert 444 11.4. Design of box culvert 444 Problems 462 12. CONCRETE BRIDGES 12.1. Introduction : Various types of bridges 463 12.2. Selection of type of bridge and economic span length 467 12.3. Types of loads, forces and stresses 468 12.4. Live load 468 12;5. Impact effect 476 12.6. Wind load 478 12.7. Longitudinal forces 479 12.8. Lateral loads 481 12.9. Centrifugal force 481 12.10. Width of roadway and footway 482 12.11. General design requirements 482 12.12. Solid slab bridges 487 12.13. Deck girder bridges 505 12.14. B.M. in slab supported on four edges 507 12.15. Distribution of live loads on longitudinal beams 522 12.16. Method of distribution coefficients 524 12.17. Courbon's method 547 12.18. Design of a T-beam bridge 549 12.19. Balanced cantilever bridge 613 Problems 657 PART 5. LIMIT STATE METHOD 13. DESIGN CONCEPTS 13.1. Methods of design 661 13.2. Safety and serviceability requirements (IS : 456-1978) 663 133. Characteristic and design values and partial safety factors 664 Problems666 14. SINGLY REINFORCED SECTIONS 14.1. Limit state of collapse in flexure667 14.2. Stress strain relationship for concrete 669 143. Stress-strain relationship for steel 669 14.4. Stress block parameters 672 14.5. Design stress block parameters (IS : 456-1978) 675 14.6. Singly reinforced rectangular beams 677 14.7. Procedure for finding moment of resistance 679 14.8. Design of rectangular beam section 682 Problems692 15. DOUBLY REINFORCED SECTIONS 15.1. Necessity 693 15.2. Stress block and KA. 693 153. Determination of moment of resistance 695 15.4. Design of a doubly reinforced section 697 Problems 704 16. T AND L-BEAMS 16.1. Introduction 705 16.2. Stress block and N.A. 706 16.3. Moment of resistance when xu
8170080835
624.18341 / PUN