混凝土结构 第5版PDF电子书下载

CHAPTER 1 MATERIALS AND MECHANICS OF BENDING 1

1-1 Concrete 2

1-2 The ACI Building Code 2

1-3 Cement and Water 2

1-4 Aggregates 3

1-5 Concrete in Compression 3

1-6 Concrete in Tension 6

1-7 Reinforcing Steel 6

1-8 Beams：Mechanics of Bending Review 10

References 18

Problems 19

CHAPTER 2 RECTANGULAR REINFORCED CONCRETE BEAMS AND SLABS：TENSION STEEL ONLY 22

2-1 Introduction 23

2-2 Methods of Analysis and Design 24

2-3 Behavior Under Load 25

2-4 Strength Design Method Assumptions 27

2-5 Flexural Strength of Rectangular Beams 28

2-6 Equivalent Stress Distribution 30

2-7 Balanced，Overreinforced,and Underreinforced Beams 34

2-8 Reinforcement Ratio Limitations and Guidelines 35

2-9 Strength Requirements 39

2-10 Rectangular Beam Analysis for Moment（Tension Reinforcement Only） 41

2-11 Summary of Procedure for Rectangular Beam Analysis forφMn（Tension Reinforcement Only） 45

2-12 Slabs：Introduction 46

2-13 One-Way Slabs：Analysis for Moment 46

2-14 Rectangular Beam Design for Moment（Tension Reinforcement Only） 50

2-15 Summary of Procedure for Rectangular Reinforced Concrete Beam Design for Moment（Tension Reinforcement Only） 58

2-16 Design of One-Way Slabs for Moment（Tension Reinforcement Only） 60

2-17 Summary of Procedure for Design of One-Way Slabs for Moment（to Satisfy ACI Minimum h） 62

2-18 Slabs on Ground 63

References 64

Problems 65

CHAPTER 3 REINFORCED CONCRETE BEAMS：T-BEAMS AND DOUBLY REINFORCED BEAMS 71

3-1 T-Beams：Introduction 72

3-2 T-Beam Analysis 74

3-3 Development of T-Beam As，max 79

3-4 Analysis of Beams Having Irregular Cross Sections 82

3-5 T-Beam Design（for Moment） 84

3-6 Summary of Procedure for Analysis of T-Beams （for Moment） 90

3-7 Summary of Procedure for Design of T-Beams（for Moment） 92

3-8 Doubly Reinforced Beams：Introduction 93

3-9 Doubly Reinforced Beam Analysis for Moment（Condition Ⅰ） 94

3-10 Doubly Reinforced Beam Analysis for Moment（Condition Ⅱ） 99

3-11 Summary of Procedure for Analysis of Doubly Reinforced Beams（for Moment） 104

3-12 Doubly Reinforced Beam Design for Moment 106

3-13 Summary of Procedure for Design of Doubly Reinforced Beams（for Moment） 110

3-14 Additional Code Requirements for Doubly Reinforced Beams 112

Problems 112

CHAPTER 4 SHEAR IN BEAMS 121

4-1 Introduction 121

4-2 Shear Reinforcement Design Requirements 124

4-3 Shear Analysis Procedure 128

4-4 Stirrup Design Procedure 130

4-5 Torsion：Introduction 141

4-6 Design of Torsion Reinforcement 142

Problems 143

CHAPTER 5 DEVELOPMENT，SPLICES，AND SIMPLE-SPAN BAR CUTOFFS 147

5-1 Development Length：Introduction 148

5-2 Development Length：Tension Bars 149

5-3 Development Length：Compression Bars 158

5-4 Development Length：Standard Hooks in Tension 158

5-5 Development of Web Reinforcement 163

5-6 Splices 165

5-7 Tension Splices 166

5-8 Compression Splices 167

5-9 Simple-Span Bar Cutoffs and Bends 167

5-10 Code Requirements for Development of Positive Moment Steel at Simple Supports 176

Problems 179

CHAPTER 6 CONTINUOUS CONSTRUCTION DESIGN CONSIDERATIONS 185

6-1 Introduction 185

6-2 Continuous-Span Bar Cutoffs 187

6-3 Design of Continuous Floor Systems 190

Problems 211

CHAPTER 7 SERVICEABILITY 213

7-1 Introduction 213

7-2 Deflections 214

7-3 Calculation of Icr 215

7-4 Immediate Deflection 220

7-5 Long-Term Deflection 221

7-6 Deflections for Continuous Spans 225

7-7 Crack Control 226

Problems 228

CHAPTER 8 WALLS 231

8-1 Introduction 231

8-2 Lateral Forces on Retaining Walls 234

8-3 Design of Reinforced Concrete Cantilever Retaining Walls 238

8-4 Design Considerations for Bearing Walls 270

8-5 Design Considerations for Basement Walls 274

Problems 275

CHAPTER 9 COLUMNS 278

9-1 Introduction 279

9-2 Strength of Reinforced Concrete Columns：Small Eccentricity 280

9-3 Code Requirements Concerning Column Details 283

9-4 Analysis of Short Columns：Small Eccentricity 285

9-5 Design of Short Columns：Small Eccentricity 288

9-6 Summary of Procedure for Analysis and Design of Short Columns with Small Eccentricities 292

9-7 The Load-Moment Relationship 292

9-8 Columns Subjected to Axial Load at Large Eccentricity 293

9-9 Analysis of Short Columns：Large Eccentricity 294

9-10 φFactor Considerations 302

9-11 The Slender Column 303

References 307

Problems 308

CHAPTER 10 FOOTINGS 311

10-1 Introduction 312

10-2 Wall Footings 312

10-3 Wall Footings Under Light Loads 323

10-4 Individual Reinforced Concrete Footings for Columns 324

10-5 Square Reinforced Concrete Footings 328

10-6 Rectangular Reinforced Concrete Footings 336

10-7 Eccentrically Loaded Footings 346

10-8 Combined Footings 346

10-9 Cantilever or Strap Footings 350

Problems 354

CHAPTER 11 PRESTRESSED CONCRETE FUNDAMENTALS 356

11-1 Introduction 357

11-2 Design Approach and Basic Concepts 357

11-3 Stress Patterns in Prestressed Concrete Beams 360

11-4 Prestressed Concrete Materials 362

11-5 Analysis of Rectangular Prestressed Concrete Beams 363

11-6 Alternative Methods of Elastic Analysis：Internal Couple Method 368

11-7 Alternative Methods of Elastic Analysis：Load Balancing Method 371

11-8 Flexural Strength Analysis 379

11-9 Notes on Prestressed Concrete Design 382

References 382

Problems 383

CHAPTER 12 CONCRETE FORMWORK 386

12-1 Introduction 387

12-2 Formwork Requirements 387

12-3 Formwork Materials and Accessories 388

12-4 Loads and Pressures on Forms 393

12-5 The Design Approach 395

12-6 Design of Formwork for Slabs 403

12-7 Design of Formwork for Beams 414

12-8 Wall Form Design 423

12-9 Forms for Columns 430

References 435

Problems 435

CHAPTER 13 DETAILING REINFORCED CONCRETE STRUCTURES 438

13-1 Introduction 439

13-2 Placing Drawings 440

13-3 Marking Systems and Bar Marks 443

13-4 Schedules 445

13-5 Fabricating Standards 446

13-6 Bar Lists 446

13-7 Extras 452

13-8 Bar Supports and Bar Placement 452

13-9 Computer Detailing 453

References 456

APPENDIX A TABLES 458

APPENDIX B SUPPLEMENTARY AIDS AND GUIDE LINES 474

B-1 Accuracy for Computations for Reinforced Concrete 474

B-2 As，max for Doubly Reinforced Beams 476

B-3 Flow Diagrams 478

APPENDIX C METRICATION 482

C-1 The International System of Units（SI） 482

C-2 SI Style and Usage 485

C-3 Conversion Factors 488

References 498

ANSWERS TO SELECTED PROBLEMS 499

INDEX 502