RESULTS FOR REPAIR OF CONCRETE

Definition: to replace or correct deteriorated, damaged, or faulty materials, components, or elements of a structure.- ACI Concrete Terminology

Concrete repair involves a condition evaluation to assess the current condition of the concrete structure, a determination of the causes of deterioration or distress, and selection of repair methods and materials. The evaluation may include a review of available design and construction documents, structural analysis of the structure in its deteriorated condition, a review of available test data, a review of records of any previous repair work, a review of maintenance records, a visual inspection of the structure, an evaluation of corrosion activity, destructive and nondestructive testing, and a review of laboratory results from chemical and petrographic analysis of concrete samples. Following the evaluation, the deterioration mechanism that caused the deficiency should be determined, and finally the appropriate repair materials and methods can be selected.

Informational Resources News, Events & Engagements ACI Web Pages

STANDARDS, PRACTICES and MANUALS ON REPAIR OF CONCRETE

MNL-3(20): Guide to the Code for Assessment, Repair, and Rehabilitation of Existing Concrete Structures

MNL-3(16) Guide to the Code for Assessment, Repair, and Rehabilitation of Existing Concrete Buildings

ACI PRC-546-23: Concrete Repair—Guide

ACI CODE-562-21: Assessment, Repair, and Rehabilitation of Existing Concrete Structures - Code and Commentary

ACI PRC-546.3-23: Materials Selection for Concrete Repair—Guide

ACI PRC-506-22: Shotcrete - Guide

ACI SPEC-301-20: Specifications for Concrete Construction

ACI SPEC-563-25: Repair of Concrete in Buildings - Specification

ACI PRC-357-24: Design and Construction of Fixed Offshore Concrete Structures - Guide

ACI PRC-364.9-21: Cracks in a Concrete Repair - TechNote

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JOURNAL Articles ON REPAIR OF CONCRETE

Early-Age Strength and Porosity of Mixtures Incorporating Portland Limestone Cement and a Set Accelerator (Prepublished)

Publication: Materials Journal
Date: 5/13/2026

Lateral Response of Repaired Conventional and Hybrid Reinforced Concrete Bridge Piers

Publication: Structural Journal
Date: 5/1/2026

Using Bio-Based Self-Healing Agent for Durability and Environmentally Friendly Concrete Development

Publication: IJCSM
Date: 3/31/2026

Application of Eco-Friendly Materials in Repair of Reinforced Concrete Members: A State-of-the-Art Review

Publication: Structural Journal
Date: 3/1/2026

Numerical Simulation and Fatigue Analysis of the Grout Layer Replacement for Horizontal Joint of Wind Turbine Prestressed Concrete Tower

Publication: IJCSM
Date: 1/31/2026

Ultimate Flexure Strength Evaluation of Reinforced Concrete Beams Retrofitted with Carbon Fiber-Reinforced Polymer

Publication: Structural Journal
Date: 1/1/2026

Assessment of Residual Flexural Capacity of Corroded Reinforced Concrete Members (Prepublished)

Publication: Structural Journal
Date: 12/18/2025

Sustainable Polyurethane-Based Polymer Concrete: Mechanical and Non-destructive Properties with Machine Learning Technique

Publication: IJCSM
Date: 11/30/2025

Geopolymer Composites: Potential as Repair and Strengthening Materials for Concrete Structures

Publication: Structural Journal
Date: 9/1/2025

Application of Artificial Neural Network for Prediction of Concrete–High‑Performance Concrete Interfacial Bond Strength After Exposure to Elevated Temperature

Publication: IJCSM
Date: 7/31/2025

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Practice oriented papers and articles ON REPAIR OF CONCRETE

Concrete Q&A: Expansion Joint Preconstruction Conference for Post-Tensioned Concrete Parking Structures

Publication: Concrete International
Date: 6/1/2026

Alkali-activated slag mortar as a potential alternative for concrete repair

Publication: Special Publication
Date: 5/1/2026

Tech Spotlight: Concrete Renewal in Motion

Publication: Concrete International
Date: 4/1/2026

2025 ICRI Project Awards

Publication: Concrete International
Date: 4/1/2026

Tech Spotlight: Viable for a Variety of Jobs

Publication: Concrete International
Date: 4/1/2026

Strategies to Teach Concrete Repair

Publication: Special Publication
Date: 3/1/2026

ACI Concrete Convention Brings the Concrete Industry Together in Baltimore

Publication: Concrete International
Date: 1/1/2026

Evolution of ACI CODE-562-25

Publication: Concrete International
Date: 11/1/2025

ACI CODE-562 Durability Provisions

Publication: Concrete International
Date: 10/1/2025

At the Intersection of Safety, Environmental Responsibility, and Durability

Publication: Concrete International
Date: 10/1/2025

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Certification Resources on REPAIR OF CONCRETE

There are no Certification Resources on repair of concrete

View all ACI Certification Resources on repair of concrete »

by C. S. Poon

Pre-Packaged High-Performance Concrete Used for Bridge Replacement

by William Clements

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

by Jacques Marchand

ACI 562-19 Adoption into IBC/IEBC – It’s Time

by Keith Kesner

ACI 563—Specifications for Repair

by Marjorie M. Lynch

Additive Construction with Cement-Based Materials

by Platt

Alkali Reactivity of Reclaimed Concrete Aggregate: Evaluation, Testing, and Preventative Measures

by Medhat H. Shehata

Alkali-Silica Reactivity of Belitic Calcium Sulfoaluminate (BCSA) Cement Concrete

by Tayyab Adnan

An Intelligent Approach for Predicting the Performance of Repair Concrete in a Bridge in Northern Ireland from Real-Time Sensor Data

by Garg

An Overview of the Tensile and Bond Behavior of Fabric-Reinforced Cementitious Matrix (FRCM) Composites

by Gianmarco De Felice

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FREQUENTLY ASKED QUESTIONS ON REPAIR OF CONCRETE

Question: Using core strength to calculate compressive strength of an existing structure

Question: What is shotcrete and when is it used?

Question: What steps are taken in the repair of concrete structures?

Question: Do we always need to repair cracked concrete?

Question: Are epoxy resins widely used in concrete construction and repair?

Question: Are polymer concrete and polymer-modified concrete used in repairs?

Question: Increasing the load capacity of a slab-on-ground using an overlay

Question: Alternative methods for measuring crack width

Question: ACI code for evaluating existing buildings prior to repair

Question: Legacy building codes

View all Frequently Asked Questions on repair of concrete»

ACI Web Pages on repair of concrete

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RESULTS FOR REPAIR OF CONCRETE

STANDARDS, PRACTICES and MANUALS ON REPAIR OF CONCRETE

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ACI Web Pages on repair of concrete