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Foundmental of reinforced concrete theory and design -ACI 318M -14 Ed Sabih Hashim Al-Zuhairy

 




كتاب Foundmental of reinforced concrete theory and design -ACI 318M -14 Ed Sabih Hashim  



محتويات الكتاب : 


PREFACE III

Frequently Used Notations IV

1 Introduction 1

1.1. General 1

1-2 Concrete and Reinforced and Reinforced Concrete 1

1-3 Reinforced Concrete Members 2

1-4 Advantages and Disadvantages of Reinforced Concrete





1-5 Codes of Practice 6

1-6 Design Philosophy and Concepts 6

1-7 Structural Concrete Design 7

Problems 8

2 Materials for Reinforced Concrete 9

2-1 Concrete 9

2-1-1 Cement 9

2-1-2 Aggregate 10

2-1-3 ACI Code Requirements 12

2-1-4 Mixing Water for Concrete 12

2-1-5 Admixture 13

2-2 Properties of Reinforced Concrete 13

2-2-1 Parameters Affecting Strength of Concrete 13


إقرأ أيضاً قاموس المهندس المدني 




2-3 Compressive Strength 14

2-3-1 ACI code Requirements for Concrete Quality, Mixing and Placing 16

2-3-1-1 General 16

2-3-1-2 Evaluation and Acceptance of Concrete 16

2-3-1-3Frequency of Testing, ACI Code 26.12.2 16

2-3-1-4 Acceptance Criteria for Standard-Cured Specimens, ACI

Code 26.12.3 17

2-3-1-5 Investigation of Low Strength-Test Results, ACI Code

26.12.4 17

2-4 StressStrain Curves of Concrete 18

2-5 Modulus of Elasticity 19

2-6 Tensile Strength of Concrete 20




 

2.8 Creep and Shrinkage 22

2-8.1 Creep (or Plastic Flow) 22

2.8.2 Shrinkage 22

2-9 Steel Reinforcement 23

2.9.1 Grades and Strength 23

2.9.2 Identifying Marks on Reinforcing Bars 24

2-9-3 StressStrain Curves 26

Problems 26


إقرأ أيضاً كتاب تصميم المنشآت الخرسانية لمقاومة الرياح والزلازل



Flexural Analysis and Design of Reinforced Concrete Beams 27

3-1 Design Methods and Requirements 27

3-1-1 Introduction 27

3-1-2 Working Stress Method 28

3-1-3 Strength Design Method 28

3-2 Loads on Structures 28

3-2-1 Dead loads 29

3-2-2 Live loads 29

3-2-3 Environmental Loads 29

3-3 Safety Provisions 29

3-3-1 Load Factors 31

3-3-2 Strength Reduction Factors 32

3-4 Flexural in Beams 33

3-4-1 Introduction 33

3-4-2 Assumptions 33

3-5 Behavior of Simply Reinforced Concrete Beam Loaded Gradually To

Failure 34

3-6 Types of Flexural Failure 35

3-7 Equivalent Compressive Stress Block Distribution 37

3-8 Strain Limits for Tension and Tension-Controlled Sections 37

3-9 The Balanced Condition 40


إقرأ أيضاً كتاب Estimating and costing 




3-11 Minimum Reinforcement of Flexural Members 44

3-12 Practical Considerations in the Design of Beams 45

3-12-1 Spacing Limits between Bars 45

3-12-2 Nominal Maximum Size of Coarse Aggregate 45

3-12-3 Concrete Protection for Reinforcement 46

3-13 Flexural Analysis and Design of Singly Reinforced Rectangular Beams

(SRRB) 46

3.13.1 Flexural Analysis of Singly Reinforced Rectangular Beams 46

3.13.2 Flexural Design of Singly Reinforced Rectangular Beams 56

3.13.2.1 General 56

3.13.2.2 Minimum Overall Depth of Concrete Sections 56

3.13.2.3 Design Procedure 57

3.14 Use of Graphs and Tables 64

3.15 Flexural Analysis and Design of Doubly Reinforced Concrete Sections

DRRS (Sections with Compression Steel) 66

3.15.1 Flexural Analysis of Doubly Reinforced Concrete Sections 66

3.15.1.1 Compression Steel Yields 67

3.15.1.2 Compression Steel Does Not Yield 69

3.15.2 Design of Doubly Reinforced Concrete Sections 77

3.15.2.1 Procedure for Design DRRB 77

3-16 Flexural Analysis and Design of T and I  Sections 84 


إقرأ أيضاً تصميم المنشآت الخرسانية المسلحة وفقاً لمتطلبات الكود ACI318-14





3.16.1 Description 84

3.16.2 Effective Width 84

3.17 Flexural Analysis of T-sections 88

3.17.1 T-Sections Behaving as Rectangular Sections 88

3.17.2 T-Sections Behaving as True T- Beam Section 88

3.17.3 Procedure for Flexural Analysis of a T-Section 89

3.17.4 Minimum Reinforcement of Flexural T-Section Members 91

3.17.5 Maximum Reinforcement of Flexural T-Section Members 91

3.17.6 General Method for Analyzing T beams 92

3.18 Flexural Analysis of Sections with Special Shapes 100

3.19 Flexural Design of Sections with Special Shapes 102

3.19.1. Design Procedure 102

3.20 General Method for Designing T - beams And Special -Shaped Beams 109

Problems 110

4 Shear and Diagonal Tension 113

4.1. Introduction 113

4.2 Behavior of Beams without Shear Reinforcement 113

4.2.1 Flexural Failure 113

4.2.2 Compression Shear Failure (CF) 115

4.2.3 Diagonal Tension Failure (DT) 115

4.3 Behavior of Beams with Shear Reinforcement 117 


إقرأ أيضاً  حساب وتصميم الأساسات المهندس عماد درويش 



4.4 Types of Web Reinforcement 117

4.5 ACI Code Provisions for Shear Design 119

4.5.1 Strength of Shear Reinforcement 119

4.5.2 Critical Section for Nominal Shear Strength Calculation 122

4.5.3 Shear Strength Provided by the Concrete 122

4.5.4 Minimum Web reinforcement 124

4.5.5 Maximum Spacing between Stirrups 125

4.5.6 Stirrups Adjacent to the Support 126

4.5.7 Yield Strength of Shear Reinforcement 126

4.6 Design of Web Reinforcement 126

4.6.1 Design Procedure for Shear 126

Problems 137

5 Analysis and Design for Torsion in Beams 138

5.1 Introduction 138

5.2 Torsional Moment in Rectangular Sections 139


إقرأ أيضاً  تنفيذ المصعد من المخططات في القواعد حتى الطابق الأخير 



5.3 Combined Shear and Torsion 140

5.4 Torsion Theories for Concrete Members 141

5.4.1 Skew Bending Theory 141

5.4.2 Space Truss Analogy 143 


5.5 ACI Code Provisions for Torsion Design 145

5.5.1 General 145

5.5.2 Torsional Geometric Parameters 146

5.5.3 Cracking Torsional Moment, Tcr 147

5.5.4 Limiting material strengths 148

5.5.5 Limitation of Torsional Moment Strength 149

5.5.6 Web Reinforcement 150

5.5.7 Spacing of torsion reinforcement 151

5.5.8 Minimum Torsional Reinforcement 151

5.5.9 Critical Section 152

5.6 ACI Code Procedure for Combined Shear and Torsion 152

Problems 164

6 Design and Analysis of One-Way Slabs 166

6.1 General 166

6.2 Definition and Types of One Way Slab 167

6.3 Behavior and Modeling of One Way Slab 168

6.4 Design Limitations and Requirements According To ACI Code 169

6.5 Temperature and Shrinkage Reinforcement 171

6.6 Analysis and Design of Continuous One-Way Slabs 172

6.7 Arrangement of Live Loads 172

6.7.1 Maximum and Minimum Positive Moments within a Span 175

6.7.2 Maximum Negative Moments at Supports 176

6.8 Reinforcement Details 176

6.9 Distribution of Loads from One- Way Slabs to Supporting Beams 176

6.10 Span Length 178

6.11 One-Way Joist Floors and One-Way Ribbed Slabs 186

Problems 191

7 Analysis and Design of Two-Way Slabs 192

7-1 Introduction 192

7.2 Types of Two-Way Slabs 193

7.3 Economical Choice of Concrete Floor System 194

7.4 Depth Limitations and Stiffness Requirements 196 


إقرأ أيضاً تأثير الحريق على المباني



7.4.1 Slabs without Interior Beams 196

7.4.2 Slabs with Interior Beams 197

7.4.3 ACI Code limitations 199

7.5 Two-Way Slab Reinforcement Requirements 202

7.5.1 Placement Sequence 202

7.5.2 Concrete Cover 202

7.5.3 Spacing Requirements, Minimum Reinforcement

and Minimum Bar Size 202

7.5.4 Bar Cutoffs and Anchorages 202

7.5.5 Reinforcement at Exterior Corners 203

7.5.6 Openings in slab systems 204

7.6 Shear Resistance of Slabs 205 



8.4.2.3 ACI Code Factors for Calculating ld for Bars in Tension

323

8.4.2.4. Simplified Tension-Development-Length Equations

324

8.4.2.5. Bar-Spacing Factor 325

8.4.3 Compression-Development Lengths 330

8.5 Hooked Anchorages 332

8.5.1 Behavior of Hooked Anchorages 332

8.5.2 Design of Hooked Anchorages 355

8.6 Bar Cutoffs and Development of Bars in Flexural embers 340

8.6.1 Why Bars Are Cut Off 340

8.6.2 Location of Flexural Cut-Off Points 341

8.6.3 Development of Bars at Points of Maximum Bar Force 342

8.7 Development of Positive Moment Reinforcement 344

8.7.1 Simple Supports 344 


إقرأ أيضاً تأثير جذور الأشجار على المباني


8.8 Development of Negative Moment Reinforcement 347

8.9 Reinforcement Continuity and Structural Integrity Requirements 351

8.9.1 Continuity Reinforcement 351

8.9.2 Structural-Integrity Reinforcement 352

8.10 Splices of Reinforcement 362

8.10.1 Tension Lap Splices 362

8.10.1.1 Normal Tension Lap Splices 362

8.10.1.2 Lap Splice Lengths of Welded Deformed Wire

Reinforcement in Tension 364

8.10.2 Compression Lap Splices 365

8.10.3 End-Bearing Splices 365

8.10.4 Column Splices 366

Problems 372

9 Serviceability, Deflection and Control of Cracking 374

9.1 Introduction 374

 


9.2.1 Effective Moments of Inertia 375

9.2.2 Cracked Moment of Inertia 376

9.3 Long- 


9.4 Allowable Deflection 378

9.5 Deflection Due To Combination of Loads 378

9.6 Continuous-  

!

9.7 Cracks in Flexural Members 389

9.7.1 Causes of Cracking 389

9.7.2 Types of Cracks 391

9.7.3 Control of Flexural Cracks 392

9.7.4 ACI Code Requirements 392

9.7.5 Main Cracks 393

9.7.6 Crack Width 394

Problems 396

10 Design and Analysis of Axially Loaded Columns 397

10.1 Introduction 397

10.2 Types of Columns 397 

إقرأ أيضاً هندسة الأساسات تصميم وتنفيذ الأساسات العميقة والخاصة للدكتور السيد عبد الفتاح القصبي




10.3 Behavior of Axially Loaded Columns 399

10.4 ACI Code Requirements for Cast-in-Place Columns 400

10.5 Design of Tide and Spiral Short Axially Loaded Column 403

10.6 Spiral Reinforcement 404

Problems 409

11 Design and Analysis of Eccentrically Loaded Columns 411

11.1 Generals 411

11.2 The Plastic Centroid 413

11.3 Design Assumptions for Eccentrically Loaded Columns 414

11.4 Development of Interaction Diagrams 414

11.5 LoadMoment Interaction Diagram 415

11.6 ACI Code Safety Provisions 416

11.7 Balanced Condition: Rectangular Sections 418

11.8 Strength of Columns for Tension Failure 422

11.9 Strength of Columns for Compression Failure 425 


إقرأ أيضاً استخدام برنامج برمفيرا للمهندس محمد ريحان في المشروعات


11.9.1 Trial Solution 425

11.9.2 Numerical Analysis Solution 428

11.9.3 Approximate Solution 430

11.10 Construction and Application of Interaction Diagrams 431

11.11 Load Capacity of Circular Columns 432

11.11.1 Balanced Condition 432

11.11.2 Strength of Circular Columns for Compression Failure 436

11.11.3 Strength of Circular Columns for Tension Failure 436

11.12 Design of Columns under Eccentric Loading 437

11.12.1 Design of Columns for Compression Failure 437

11.12.2 Design of Columns for Tension Failure 437

11.13 Columns Design for Strength, Practical Design Approach 440

11.14 Biaxial Bending 543

11.14.1 Circular Columns with Uniform Reinforcement under

Biaxial Bending 545

11.14.2 Square and Rectangular Columns under Biaxial Bending 546

11.14.2.1 Bresler Reciprocal Method 547

11.14.2.2 Parme Load Counter Method 548


Problems 557 










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