Reinforced Concrete Design 10th Edition by Abi O Aghayere, Jason Vigil ISBN 9781683929079 1683929071

Chapter 1: Materials and Mechanics of Bending and Concrete Slab Systems

1.1 Concrete

1.2 Design Constraints and the ACI Building Code

1.3 Cement and Water

1.4 Aggregates

1.5 Concrete Mixes and Durability

Air Entrainment

Water Reducers

Accelerators and Retarders

Corrosion-Inhibitor

1.6 Volumetric Changes in Concrete due to Temperature, Shrinkage, and Creep

Shrinkage

Creep in Concrete

1.7 Concrete in Compression

1.8 Concrete in Tension

1.9 Reinforcing Steel

1.10 Concrete Cover

1.11 Beams: Mechanics of Bending – Review

1.12 Concrete Slab Systems

One-Way Slab Systems

Two-Way Slab Systems

1.13 Gravity Load Distribution in Concrete Slab Systems

Dead Loads

Components of Roof Dead Load in a Reinforced Concrete Structure

Components of Floor Dead Load in a Reinforced Concrete Structure

Tributary Width and Areas

Typical Interior Beam Loads

Spandrel Beam Loads

References

Exercises

Chapter 2: Rectangular Reinforced Concrete Beams and Slabs: Tension Steel Only

2.1 Introduction

2.2 Analysis and Design Method

2.3 Behavior Under Load

2.4 Strength Design Method Assumptions

2.5 Flexural Strength of Rectangular Beams

2.6 Equivalent Stress Distribution

2.7 Balanced, Brittle, and Ductile Failure Modes

2.8 Ductility Requirements

2.9 Strength Requirements

2.10 Rectangular Beam Analysis for Moment (Tension Reinforcement Only)

2.11 Summary of Procedure for Rectangular Beam Analysis for ϕ Mn (Tension Reinforcement Only)

2.12 Slabs: Introduction

2.13 One-Way Slabs: Analysis for Moment

2.14 Rectangular Beam Design for Moment (Tension Reinforcement Only)

2.15 Summary of Procedure for Rectangular Reinforced Concrete Beam Design for Moment (Tension Reinforcement Only)

2.16 Design of One-Way Slabs for Moment (Tension Reinforcement Only)

2.17 Summary of Procedure for Design of One-Way Slabs for Moment (To Satisfy ACI Minimum Thickness, h )

2.18 Slabs-on-Grade

References

Exercises

Chapter 3: Reinforced Concrete Beams: T-Beams and Doubly Reinforced Beams

3.1 T-Beams: Introduction

3.2 T-Beam and L-Beam Analysis

3.3 Analysis of Beams Having Irregular Cross-Sections

3.4 T-Beam Design (For Moment)

3.5 Summary of Procedure for Analysis of T-Beams (For Moment)

Rectangular T-Beam

True T-Beam

3.6 Summary of Procedure for Design of T-Beams and L-Beams (For Moment)

Rectangular T-Beam

True T-Beam

3.7 Doubly Reinforced Beams: Introduction

3.8 Doubly Reinforced Beam Analysis for Moment (Condition I)

3.9 Doubly Reinforced Beam Analysis for Moment (Condition II)

3.10 Summary of Procedure for Analysis of Doubly Reinforced Beams (For Moment)

Condition I

Condition II

3.11 Doubly Reinforced Beam Design for Moment

3.12 Summary of Procedure for Design of Doubly Reinforced Beams (For Moment)

For a Doubly Reinforced Beam

3.13 Additional Code Requirements for Doubly Reinforced Beams

References

Exercises

Chapter 4: Shear and Torsion

4.1 Introduction

4.2 Shear Reinforcement Design Requirements

4.3 Shear Analysis Procedure

4.4 Stirrup Design Procedure

Notes on Stirrup Design

4.5 Torsion of Reinforced Concrete Members

Compatibility Torsion

Equilibrium Torsion

Torsion Design of Reinforced Concrete Members

Torsion Reinforcement

Vertical Equilibrium of Forces

Horizontal Equilibrium of Forces

Transverse Reinforcement Required for Torsion (Stirrups)

Additional Longitudinal Reinforcement Required for Torsion

Torsion Design Procedure

4.6 Corbels and Brackets

4.7 Hanger Reinforcement for Beams Framing into Girders

References

Exercises

Chapter 5: Development, Splices, and Simple-Span Bar Cutoffs

5.1 Bond Stress and Development Length: Introduction

5.2 Development Length: Tension Bars

Summary of Procedures for Calculation of (Using ACI Equation (25.4.2.4a))

5.3 Development Length: Compression Bars

5.4 Development Length: Standard Hooks in Tension

Development of Tension Bars at Wide Beam-to-Column Connections

Adequate Development of Hooked Beam Rebar in Columns

5.5 Development of Web or Transverse Reinforcement (Stirrups)

5.6 Splices

5.7 Tension Splices

5.8 Compression Splices

5.9 Simple-Span Bar Cutoffs and Bends

5.10 Code Requirements for Development of Positive Moment Steel at Simple Supports

5.11 Structural Integrity Reinforcement – Beams and Girders

Structural Integrity Reinforcement for One-Way Slabs

References

Exercises

Chapter 6: Continuous One-Way and Two-Way Floor Systems

6.1 Introduction

6.2 Continuous-Span Bar Cutoffs

6.3 Design of Continuous Floor Systems

6.4 Analysis and Design of Continuous Two-Way Slabs

6.4.1 Types of Column-supported Two-Way Slabs

6.4.2 Column and Middle Strips (ACI Code, Sections 8.4.1.5 and 8.4.1.6)

6.4.3 Minimum Thickness of Two-Way Slabs

6.4.4 Static Longitudinal Moment, M o

6.4.5 Column Capitals, Drop Panels, and Shear Caps

6.4.6 Relative Stiffness of Beam and Slab

6.4.7 Longitudinal Distribution of the Total Factored Static Moment, M o

Transverse Distribution of the Longitudinal Moments Between Column Strip, Middle Strip, and Longitudinal Beams

6.4.8 One-Way Shear in Two-Way Slabs

6.4.9 Punching Shear in Two-Way Slabs

Critical Section for Punching Shear:

Critical Section at Drop Panels (ACI Code, Section 22.6.4.1)

6.4.10 Combined Shear and Unbalanced Moment Transfer in Slab-Column Connections

Modifications to

6.4.11 Corner Reinforcement in Beam or Wall-Supported Two-Way Slabs (ACI 318-19, Section 8.7.3)

6.4.12 Effective Depth of Two-Way Slabs

6.4.13 Structural Integrity Reinforcement in Two-Way Slabs (ACI 318-19, Section 8.7.4.2)

Minimum Reinforcement in Two-Way Slabs and Flexure-Induced Punching Failure

Maximum Reinforcement Spacing in Two-Way Slabs (ACI 8.7.2.2)

6.4.14 Openings in Two-Way Slabs

6.4.15 Effect of Transverse Edge Beams

6.4.16 Slab Systems with Beams along all Four Edges of a Panel

6.4.17 Equivalent Frame Method

References

Exercises

Chapter 7: Serviceability

7.1 Introduction

7.2 Deflections

7.3 Calculation of I cr

7.4 Immediate Deflection

7.5 Long-Term Deflection

7.6 Procedure for Calculating the Deflection of Simply Supported and Continuous Beams and Slabs

7.7 Procedure for Calculating the Deflection of Continuous Girders

7.8 Deflection Control Measures in Reinforced Concrete Structures

7.9 Crack Control

7.10 Floor Vibrations

7.11 Gross and Cracked Section Properties of Concrete Sections

References

Exercises

Chapter 8: Structural Walls

8.1 Introduction

8.2 Lateral Forces on Retaining Walls

Level Backfill

Sloping Backfill

Level Backfill with Surcharge

8.3 Design of Reinforced Concrete Cantilever Retaining Walls

8.4 Design Considerations for Bearing Walls

8.5 Design Considerations for Basement Walls

8.6 Lateral Force Resisting Systems in Concrete Buildings

8.7 Concrete Moment Frames

8.8 Shear Walls

Shear Wall Design Considerations

Reinforcement in Shear Walls

Minimum Reinforcement in Shear Walls

Shear Strength of Shear Walls

Flexural Strength of Shear Walls

References

Exercises

Chapter 9: Columns

9.1 Introduction

9.2 Strength of Reinforced Concrete Columns: Small Eccentricity

9.3 Code Requirements Concerning Column Details

9.4 Analysis of Short Columns: Small Eccentricity

9.5 Design of Short Columns: Small Eccentricity

9.6 Summary of Procedure for Analysis and Design of Short Columns with Small Eccentricities

Analysis

Design

9.7 The Load-Moment Relationship for Concrete Columns

9.8 Columns Subjected to Axial Load at Large Eccentricity

9.9 ϕ Factor Considerations

9.10 Analysis of Short Columns: Large Eccentricity

9.11 Biaxial Bending in Concrete Columns

Biaxial Bending in Reinforced Concrete Columns – The Bresler Reciprocal Load Method:

9.12 The Slender Column

Moment Magnification for Slender Columns in Braced Frames

Moment Magnification for Slender Columns in Unbraced or Sway or Moment Frames

9.13 Concrete Column Schedule

References

Exercises

Chapter 10: Foundations

10.1 Introduction

10.2 The Geotechnical Report

10.3 Wall Footings

10.4 Wall Footings Under Light Loads

10.5 Individual Reinforced Concrete Footings for Columns

Shear

Moment and Development of Bars

Transfer of Load from Column into Footing

10.6 Square Reinforced Concrete Footings

10.7 Rectangular Reinforced Concrete Footings

10.8 Eccentrically Loaded Footings

10.9 Combined Footings

10.10 Cantilever or Strap Footings

10.11 Analysis and Design of Mat Foundations

10.12 Deep Foundations—Piles, Drilled Shaft (Caissons), and Pile Caps

Piles/Caissons

Load Distribution in Pile Caps Subject to Axial Load and Moments

Transfer of Lateral Base Shears in Pile and Caisson Foundations

Critical Sections for Shear in Pile Caps

Design Requirements for Pile Caps

10.13 Strut-and-Tie Models for Pile Caps and Deep Beams

Strength of Struts

Strength of Nodal Zones

Strength of Tension Ties

Additional Reinforcement Requirements for Deep Beams

Design Procedure for Pile Caps and Deep Beams Using the Strut-and-Tie Method

10.14 Pole Footings and Sonotube Foundations

References

Exercises

Chapter 11: Prestressed Concrete Fundamentals

11.1 Introduction

11.2 Design Approach and Basic Concepts

11.3 Stress Patterns in Prestressed Concrete Beams

11.4 Prestressed Concrete Materials

11.5 Analysis of Rectangular Prestressed Concrete Beams

11.6 Alternative Methods of Elastic Analysis: Load Balancing Method

11.7 Flexural Strength Analysis

11.8 Notes on Prestressed Concrete Design

References

Exercises

Chapter 12: Concrete Formwork

12.1 Introduction

12.2 Formwork Requirements

12.3 Formwork Materials and Accessories

12.4 Loads and Pressures on Forms

12.5 The Design Approach

Determination of Allowable Bending Stress

Determination of Allowable Shear Stress

Determination of Allowable Stress for Compression Perpendicular to the Grain

Determination of Modulus of Elasticity E′

12.6 Design of Formwork for Slabs

Determination of Allowable Stress for Compression Parallel to the Grain

12.7 Design of Formwork for Beams

12.8 Wall Form Design

12.9 Forms for Columns

References

Exercises

Chapter 13: Detailing of Reinforced Concrete Structures

13.1 Introduction

13.2 Placing or Shop Drawings

13.3 Marking Systems and Bar Marks

13.4 Schedules

13.5 Fabricating Standards

13.6 Bar Lists

13.7 Extras

13.8 Bar Supports and Bar Placement

13.9 Detailing Software

References

Chapter 14: Practical Considerations in the Design of Reinforced Concrete Buildings

14.1 Introduction

14.2 Rules of Thumb and Practical Considerations for Reinforced Concrete Design

14.3 Approximate Moments and Shears in Continuous Girders

14.4 Structural Condition Assessment, and Strengthening and Rehabilitation of Existing Reinforced Concrete Structures

14.5 Lateral Load Path, Diaphragms, Drag Struts, and Chords

14.6 One-Way Slabs Subjected to Concentrated Loads

14.7 Load Testing of Structures

Static and Monotonic Uniformly Distributed Load Test

Second or Repeated Load Test

14.8 Closure or Pour Strips in Reinforced Concrete Floors

14.9 Fire Resistance of Concrete Structural Elements

14.10 Analysis and Design of Edge-Supported Two-Way Slabs on Stiff Supports

14.11 Cast-in Place Concrete Specifications

Additional Specifications for Thick Concrete Slabs

14.12 Student Design Projects

References

Appendix A: Tables and Diagrams

Appendix B: Supplementary Aids and Guidelines

B.1 Accuracy for Computations for Reinforced Concrete

B.2 Flow Diagrams

Appendix C: Metrication

C.1 The International System of Units (SI)

C.2 SI Style and Usage

C.3 Conversion Factors

References

Appendix D: Answers to Selected Exercises

Index