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Topics In Concrete

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RESULTS FOR REINFORCEMENT IN CONCRETE

Definition: bars, wires, strands, fibers, or other slender elements that are embedded in a matrix such that they act together to resist forces.- ACI Concrete Terminology

Most concrete used for construction is a combination of concrete and reinforcement that is called reinforced concrete. Reinforcement for concrete is provided by embedding deformed steel bars or welded wire fabric within freshly made concrete at the time of casting. The purpose of reinforcement is to provide additional strength for concrete where it is needed. The steel provides all the tensile strength where concrete is in tension, as in beams and slabs; it supplements the compressive strength of concrete in columns and walls; and it provides extra shear strength over and above that of concrete in beams.

Informational Resources News, Events & Engagements ACI Web Pages

STANDARDS, PRACTICES and MANUALS ON REINFORCEMENT IN CONCRETE

CODE-319-25: Structural Precast Concrete—Code Requirements and Commentary - ACI/PCI

CODE-320-25: Post-Tensioned Structural Concrete—Code Requirements and Commentary - ACI/PTI

MNL-7(23) GFRP-Reinforced Concrete Design Handbook

ACI PRC-439.4-25: Steel Reinforcement—Material Properties and U.S. Availability—Report

ACI CODE-350M-06 Code Requirements for Environmental Engineering Concrete Structures & Commentary (Metric)

ACI CODE-318-25: Building Code for Structural Concrete—Code Requirements and Commentary (ACI CODE-318-25)

ACI CODE-440.11-22: Building Code Requirements for Structural Concrete Reinforced with Glass Fiber-Reinforced Polymer (GFRP) Bars—Code and Commentary

ACI SPEC-301-20: Specifications for Concrete Construction

ACI CODE-350-20: Code Requirements for Environmental Engineering Concrete Structures (ACI 350-20) and Commentary (ACI 350R-20)

MNL-17(21) - ACI Reinforced Concrete Design Handbook

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JOURNAL Articles ON REINFORCEMENT IN CONCRETE

Reassessment of Two-Way Shear Equation in ACI CODE-440.11 Building Code

Publication: Structural Journal
Date: 7/1/2026

Analysis of Axial Stress Distribution in Reinforced Concrete Column Considering ACI Guidelines

Publication: Structural Journal
Date: 7/1/2026

Novel Lap-Spliced Connection for Modular Nuclear Reinforced Concrete Building Structures

Publication: Structural Journal
Date: 7/1/2026

Evaluating Seismic Provisions for Fiber-Reinforced Polymer-Reinforced Circular Columns

Publication: Structural Journal
Date: 7/1/2026

Seismic Behavior and Resilience of Concrete Slit Shear Walls with Low-Bond and Debonded High-Strength Reinforcements

Publication: Structural Journal
Date: 7/1/2026

Sliding Shear Strength of Reinforced Concrete Squat Walls

Publication: Structural Journal
Date: 7/1/2026

Nominal Flexural Strength of Concrete Members Prestressed with Hybrid Tendons

Publication: Structural Journal
Date: 7/1/2026

Lap-Splice Tests of 600 MPa Reinforcing Bars for Slag-Based Concrete

Publication: Structural Journal
Date: 7/1/2026

Shear Capacity of Skewed Reinforced Concrete Slabs

Publication: Structural Journal
Date: 7/1/2026

Shear Friction Performance of GFRP Headed-End Bars in Different Concrete Interfaces (Prepublished)

Publication: Structural Journal
Date: 7/1/2026

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Practice oriented papers and articles ON REINFORCEMENT IN CONCRETE

Concrete Q&A: Hybrid Joints for Industrial Slabs-on-Ground

Publication: Concrete International
Date: 7/1/2026

Concrete Q&A: GFRP Misconceptions—Part 3

Publication: Concrete International
Date: 2/1/2026

Challenges and Opportunities for the Seismic Design of Structural Concrete with GFRP Bars

Publication: Concrete International
Date: 12/1/2025

Concrete Q&A: GFRP Misconceptions—Part 2

Publication: Concrete International
Date: 12/1/2025

Evolution of ACI CODE-562-25

Publication: Concrete International
Date: 11/1/2025

The steel-concrete interface and its impact on corrosion – an updated review and research perspectives

Publication: Special Publication
Date: 10/1/2025

Service Life of Reinforced Concrete Structures in Coastal Environments

Publication: Special Publication
Date: 10/1/2025

Model for corrosion initiation and propagation based on the resistivity

Publication: Special Publication
Date: 10/1/2025

The Effects of Cations on Chloride Ingress and Hydroxide Levels in Concrete

Publication: Special Publication
Date: 10/1/2025

Remarks on the Last Sixty Years of Advancement in Corrosion of Metals in Concrete during Carolyn Hansson’s 60 Year Career

Publication: Special Publication
Date: 10/1/2025

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Certification Resources on REINFORCEMENT IN CONCRETE

On-Demand Course: ACI 318-25 Code Changes: Part 2 – Reinforcement, Anchorage, and Shear

On-Demand Course: ACI 318-25: Changes to the Concrete Design Standard

On-Demand Course: ACI 318-25 Code Changes: Part 3 – Structural Systems, Shear, and Sustainability

On-Demand Course: ACI 318-25 Code Changes: Part 4 – Construction, Materials, and Seismic Requirements

View all ACI Certification Resources on reinforcement in concrete »

Education Publications on REINFORCEMENT IN CONCRETE

MNL-6(23) Recommended Practice Guidelines for FRP Bars in Pre-Engineered Projects

E702.9-22: Designing Concrete Structures: Reinforced Rectangular Concrete Column Interaction Diagram Example

CCS-5(16) Placing and Finishing Decorative Concrete Flatwork

E702.5-21: Designing Concrete Structures: Slender Reinforced Concrete Wall Design - Solid Wall with Out-of-Plane Loading Due to Wind

RAP-12: Concrete Repair by Shotcrete Application

CCS-1(10) Slabs on Ground

E-2(00) Reinforcement for Concrete

CCS-3 Supported Beams and Slabs

RAP-7: Spall Repair of Horizontal Concrete Surfaces

View all ACI Education Publications on reinforcement in concrete »

Online Learning - ACI University on REINFORCEMENT IN CONCRETE

Certificate Program: Concrete Constructability

Certificate Program: Fundamentals of Concrete and Materials

Certificate Program: Fundamentals of Concrete Construction

Certificate Program: Designing Concrete Structures Reinforced with GFRP Bars Using the ACI CODE-440.11-22

On-Demand Course: Research Development and Applications of FRP Reinforcements, Part 2

On-Demand Course: 21st Century Steel Reinforcement: Simply Superior

On-Demand Course: Bond and Development in New Types of Concrete and Reinforcement (Part 2)

On-Demand Course: Bond and Development in New Types of Concrete and Reinforcement (Part 1)

On-Demand Course: Research Development and Applications of FRP Reinforcements, Part 1

On-Demand Course: NEx Webinar: GFRP Wire Mesh as Internal Reinforcement for SOG and Non-Structural Applications

View all ACI Online Learning Courses on reinforcement in concrete »

FREE ONLINE EDUCATION PRESENTATIONS ON REINFORCEMENT IN CONCRETE (VIDEOS)

2023 Turkey-Syria Earthquakes: Observations on Reinforcement Detailing

by Lequesne

2-D Debonding Evolution in FRP Strengthened Plates Under Combined Loading

by Shai Feldfogel; and Oded Rabinovitch

A Comparative Study of Strength Assessment Methods for RC Columns

by Ataie

A Novel "Coupled" Approach to Evaluate and Extend the Service Life of an Existing Structure

by Jacques Marchand

A Novel VOC-Free Epoxy System for High Modulus Glass Fiber Reinforced Polymer Rebar

by Qian

A Sustainable Additive Manufacturing System for the Construction of New and Regeneration of Existing Tunnels

by Andrea Marcucci

Achieving High Strength, Ductility, and Durability in Flexural Members Reinforced with Fiber-Reinforced Polymer Rebars by Using UHP-FRC

by Shih Ho Chao

Advances in High-Strength Reinforcing Bar Research in the U.S.

by Wassim Ghannoum

Advances on Bond of Embedded Steel Reinforcement in the New Model Code 2020

by Giovanni Metelli

Algorithm for Predicting Development and Transfer Length of Prestressing Strand across Multiple Variations

by Cabage

View all free presentations on reinforcement in concrete »

FREQUENTLY ASKED QUESTIONS ON REINFORCEMENT IN CONCRETE

Question: What is reinforced concrete?

Question: The importance of reinforcement in concrete

Question: Reinforced concrete vs. prestressed concrete

Question: The importance of concrete cover

Question: Epoxy-coated reinforcement

Question: What are shrinkage-compensating expansive cement and concrete?

Question: What is an admixture?

Question: Why is the workability of concrete important?

Question: How is workability measured and specified?

Question: How do the requirements of placing affect the selection of proportions of aggregates and cementi...

View all Frequently Asked Questions on reinforcement in concrete»

ACI Web Pages on reinforcement in concrete

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