Reinforced Concrete Design Theory and Examples – T.J.Macginley (KEBT0023)

Reinforced Concrete Design Theory and Examples, CONTENTS:      

1 Introduction

1.1 Reinforced concrete structures

1.2 Structural elements and frames

1.3 Structural design

1.4 Design standards

1.5 Calculations, design aids and computing

1.6 Detailing

2 Materials, structural failures and durability

2.1 Reinforced concrete structures 9

2.2 Concrete materials 9

2.2.1 Cement 9

2.2.2 Aggregates 10

2.2.3 Concrete mix design 11

2.2.4 Admixtures 12

2.3 Concrete properties 12

2.3.1 Compressive strength 12

2.3.2 Tensile strength 13

2.3.3 Modulus of elasticity 13

2.3.4 Creep 14

2.3.5 Shrinkage 14

2.4 Tests on wet concrete 15

2.4.1 Workability 15

2.4.2 Measurement of workability 15

2.5 Tests on hardened concrete 16

2.5.1 Normal tests 16

2.5.2 Non-destructive tests 16

2.5.3 Chemical tests 17

2.6 Reinforcement 17

2.7 Failures in concrete structures 18

2.8 Durability of concrete structures 25

2.8.1 Code references to durability 25

2.9 Concrete cover 27

3 Limit state design and structural analysis

3.1 Structural design and limit states 29

3.2 Characteristic and design loads 31

3.3 Materials—properties and design strengths 33

3.4 Structural analysis 34

4 Section design for moment

4.1 Types of beam section 42

4.2 Reinforcement and bar spacing 42

4.3 Behaviour of beams in bending 46

4.4 Singly reinforced rectangular beams 46

4.5 Doubly reinforced beams 61

4.5.1 Design formulae using the simplified stress block 61

4.5.2 Design chart using rectangular parabolic stress block 64

4.6 Checking existing sections 67

4.7 Moment redistribution and section moment resistance 70

4.8 Flanged beams 72

4.8.1 General considerations 72

4.8.2 Neutral axis in flange 73

4.8.3 Neutral axis in web 74

4.9 Elastic theory 77

5 Shear, bond and torsion

5.1 Shear 85

5.2 Bond, laps and bearing stresses in bends 101

5.2.1 Anchorage bond 101

5.2.2 Local bond 103

5.2.3 Hooks and bends 104

5.2.4 Laps and joints 105

5.2.5 Bearing stresses inside bends 105

5.3 Torsion

5.3.1 Occurrence and analysis 108

5.3.2 Structural analysis including torsion 108

5.3.3 Torsional shear stress in a concrete section 110

5.3.4 Torsional reinforcement 112

6 Deflection and cracking

6.1 Deflection

6.1.1 Deflection limits and checks 121

6.1.2 Span-to-effective depth ratio 121

6.1.3 Deflection calculation 126

6.2 Cracking 144

6.2.1 Cracking limits and controls 144

6.2.2 Bar spacing controls 145

6.2.3 Calculation of crack widths 146

7 Simply supported and continuous beams

7.1 Simply supported beams 152

7.1.1 Steps in beam design 152

7.1.2 Curtailment and anchorage of bars 154

7.2 Continuous beams 165

8 Slabs

8.1 Types of slab and design methods 189

8.3 One-way spanning ribbed slabs 202

8.3.4 Deflection 204

8.4 Two-way spanning solid slabs 207

8.4.1 Slab action, analysis and design 207

8.4.2 Simply supported slabs 209

8.5 Restrained solid slabs 213

8.5.1 Design and arrangement of reinforcement 213

8.5.2 Adjacent panels with markedly different support moments 215

8.5.3 Shear forces and shear resistance 215

8.5.4 Deflection 216

8.5.5 Cracking 217

8.6 Waffle slabs 221

8.6.1 Design procedure 221

8.7 Flat slabs 225

8.8 Yield line method 238

8.9 Stair slabs 256

9 Columns

9.1 Types, loads, classification and design considerations 264

9.2 Short braced axially loaded columns 268

9.2.1 Code design expressions 268

9.3 Short columns subjected to axial load and bending about one axis—symmetrical reinforcement 270

9.4 Short columns subjected to axial load and bending about one axis—unsymmetrical reinforcement 282

9.5 Column sections subjected to axial load and biaxial bending 289

9.6 Effective heights of columns 296

9.7 Design of slender columns 302

10 Walls in buildings

10.1 Functions, types and loads on walls 309

10.2 Types of wall and definitions 309

10.3 Design of reinforced concrete walls 310

10.4 Design of plain concrete walls 322

11 Foundations

11.1 General considerations 329

11.2 Isolated pad bases 329

11.3 Eccentrically loaded pad bases 336

11.4 Wall, strip and combined foundations 348

11.4.1 Wall footings 348

11.4.2 Shear wall footing 349

11.4.3 Strip footing 349

11.4.4 Combined bases 350

11.5 Pile foundations 356

12 Retaining walls

12.1 Types and earth pressure 369

12.2 Design of cantilever walls 373

12.3 Counterfort retaining walls 380

13 Reinforced concrete framed buildings

13.1 Types and structural action 390

13.2 Building loads 392

13.3 Robustness and design of ties 394

13.4 Frame analysis 397

13.5 Building design example 407

14 Tall buildings

14.1 Introduction 429

14.2 Design and analysis considerations 430

14.3 Planar lateral-load-resisting elements 433

14.4 Interaction between bents 445

14.5 Three-dimensional structures 451

15 Programs for reinforced concrete design

15.1 Introduction

15.2 Program Section Design

15.3 Program: RC Beam

15.4 Program: Beam Deflection

15.5 Program: Column Analysis

15.6 Program: Column Design

15.7 Concluding remarks

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