ACI PRC-546-2023
Concrete Repair—Guide

Standard No.

ACI PRC-546-2023

Release Date

2023

Published By

American Concrete Institute  US  /  ACI

Scope

This document provides guidance on concrete repair and reinforcement, covering concrete removal, substrate and reinforcement preparation, material selection, material application methods, and protective systems. The guidance outlines concrete repair methods and provides recommendations for material and method selection for specific applications, while referencing ACI 562 and ACI 563 for detailed information. This document not only addresses concrete repair but also provides guidance on the reinforcement of concrete structures, including techniques such as removal, bonding new materials to existing substrates, and installing new reinforcement.

ACI PRC-546-2023 Referenced Document

• ACI 132R Guide for Responsibility in Concrete Construction
• ACI 201.1R Guide for Making a Condition Survey of Concrete in Service
• ACI 207.3R Practices for Evaluation of Concrete in Existing Massive Structures for Service Conditions
• ACI 222R Protection of Metals in Concrete Against Corrosion
• ACI 224.1R Causes, Evaluation, and Repair of Cracks in Concrete Structures
• ACI 228.2R Nondestructive TestbMethods for Evaluation of Concrete Structures
• ACI 318 Building Code Requirements for Structural Concrete with Commentary
• ACI 364.1R Guide for Evaluation of Concrete Structures Prior to Rehabilitation
• ACI 437R Strength Evaluation of Existing Concrete Buildings*， 2026-04-18 Update
• ACI 562 Specification for Evaluation, Repair, and Retrofitting of Existing Concrete Structures (ACI 562-19)
• ACI 563 Specification for concrete repair of buildings

Standard and Specification