ACI 546 2023

$48.21

ACI PRC-546-23: Concrete Repair – Guide

Published By	Publication Date	Number of Pages
ACI	2023

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Category: ACI

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Description

This guide presents recommendations for the selection and application of materials and methods for repairing, protecting, and strengthening concrete structures. An overview of materials and methods is presented as a guide for selecting a particular application. References are provided for obtaining in-depth information on the selected materials or methods. Keywords: anchorage; coating; concrete repair; joint sealant; placement; polymer; protective systems; repair materials; structural strengthening.

PDF Catalog

PDF Pages	PDF Title
4	CHAPTER 1—INTRODUCTION 1.1—Summary 1.2—Scope
5	CHAPTER 2—DEFINITIONS CHAPTER 3—REPAIR METHODOLOGY 3.1—Introduction 3.2—Condition assessment
6	3.3—Design considerations
7	3.4—Selection of repair methods and materials 3.5—Temporary shoring 3.6—Construction documents
8	3.7—Bid or contract negotiation process 3.8—Execution of work
9	3.9—Maintenance after completion of repairs 3.10—Sustainability CHAPTER 4—CONCRETE REMOVAL AND SURFACE PREPARATION 4.1—Introduction
10	4.2—Concrete removal
15	4.3—Surface preparation
19	4.4—Quality control and assurance CHAPTER 5—REPAIR MATERIALS 5.1—Introduction 5.2—Concrete repair and overlay materials
21	5.3—Crack repair materials
23	5.4—Other materials used in concrete repair
24	5.5—Reinforcement CHAPTER 6—CONCRETE AND REINFORCEMENT REPAIR TECHNIQUES 6.1—Introduction 6.2—Crack repair
27	6.3—Concrete repair
30	6.4—Reinforcement repair
33	6.5—Anchorage 6.6—Quality control and assurance
35	7.1—Introduction and selection factors 7.2—Typical problems that can be mitigated with protective systems
36	7.3—Total system concept
37	7.4—Surface treatments
41	7.5—Concrete surface preparation and installation requirements
42	7.6—Cracks and joints
43	7.7—Cathodic protection
44	7.8—Chloride extraction 7.9—Realkalization CHAPTER 8—STRUCTURAL REPAIR AND STRENGTHENING 8.1—General 8.2—Epoxy injection crack repair
45	8.3—External reinforcement (encased and exposed)
47	8.4—External post-tensioning
48	8.5—Jackets and collars 8.6—Supplemental members
50	8.7—General repair parameter considerations 8.8—Repair of concrete columns
51	8.9—Repair of concrete beams, girders, and joists
52	8.10—Repair of concrete structural slabs CHAPTER 9—REFERENCES
56	Authored documents