Description

This document provides guidance on the selection of materials for concrete repair. An overview of the important properties of repair materials is presented as a guide for making an informed selection of the appropriate repair materials for specific applications and service conditions.

Keywords:

cementitious; cracks; epoxy; materials; methacrylate; polymer; polyurethane; repair; surface sealer; silica fume; test methods; waterproofing.

Document Details

Author: ACI Committee 546

Publication Year: 2024

Pages: 96

ISBN: 9781641952446

Formats: Protected PDF/Web View

Table of Contents

CHAPTER 1—INTRODUCTION AND SCOPE, p. 2

1.1—Introduction, p. 2

1.2—Scope, p. 3

CHAPTER 2—NOTATION AND DEFINITIONS, p. 3

2.1—Notation, p. 3

2.2—Definitions, p. 3

CHAPTER 3—SELECTION OF CONCRETE REPAIR AND OVERLAY MATERIALS, p. 3

3.1—Types of concrete repair and overlays, p. 4

3.2—Deep concrete repairs and overlays, p. 4

3.3—Shallow concrete repairs and overlays, p. 7

3.4—Thin overlays, p. 7

3.5—Aggressive environments and exterior applications, p. 8

3.6—Typical concrete repair and overlay materials, p. 8

CHAPTER 4—CONCRETE REPAIR AND OVERLAY MATERIAL PROPERTIES, p. 19

4.1—Volume stability, p. 19

4.2—Mechanical properties, p. 22

4.3—Constructability characteristics, p. 26

4.4—Aesthetic properties, p. 26

4.5—Factors affecting durability, p. 26

4.6—Chemical composition, p. 31

4.7—Summary tables, p. 31

CHAPTER 5—CRACK REPAIR MATERIALS SELECTION, p. 35

5.1—General, p. 35

5.2—Types of crack repair materials, p. 36

5.3—Crack repair materials and procedures, p. 36

5.4—Epoxy resin, p. 37

5.5—Urethane resins, p. 38

5.6—Methacrylates, p. 38

5.7—Polyurethane chemical grout, p. 39

5.8—Polyurethane sealant, p. 40

5.9—Silicone sealant, p. 42

5.10—Silyl-terminated polyether sealant, p. 42

5.11—Polysulfide sealant, p. 43

5.12—Semi-rigid epoxy resin, p. 43

5.13—Semi-rigid polyurea, p. 43

5.14—Strip-and-seal systems, p. 44

5.15—Cement grouts, p. 44

5.16—Polymer-modified cement grout, p. 44

5.17—Polymer grout, p. 45

5.18—Other considerations, p. 45

5.19—Selection of crack repair materials, p. 46

CHAPTER 6—PROPERTIES OF CRACK REPAIR MATERIALS AND THEIR IMPORTANCE, p. 46

6.1—General, p. 46

6.2—Properties of rigid crack repair materials, p. 46

6.3—Properties of elastomeric crack repair materials, p. 48

6.4—Properties of flexible crack repair materials, p. 52

6.5—Summary tables, p. 52

CHAPTER 7—SURFACE-APPLIED SEALER, ANTI-CARBONATION COATING, AND TRAFFIC-BEARING ELASTOMERIC MEMBRANE SYSTEM MATERIALS SELECTION, p. 59

7.1—General, p. 59

7.2—Surface-applied sealers, p. 59

7.3—Anti-carbonation coatings, p. 62

7.4—Traffic-bearing elastomeric membrane systems, p. 63

CHAPTER 8—PROPERTIES OF SURFACE-APPLIED SEALERS, ANTI-CARBONATION COATINGS, AND TRAFFIC-BEARING ELASTOMERIC MEMBRANE SYSTEMS AND THEIR IMPORTANCE, p. 64

8.1—General, p. 64

8.2—Properties of surface-applied sealers, p. 64

8.3—Properties of anti-carbonation coatings, p. 70

8.4—Properties of traffic-bearing elastomeric membrane systems, p. 71

8.5—Summary tables, p. 74

9.1—General, p. 79

9.2—Reinforcing steel coatings, p. 79

9.3—Embedded galvanic anodes, p. 80

9.4—Concrete bonding agents, p. 81

9.5—Crystalline pore blockers, p. 84

9.6—Surface-applied penetrating corrosion inhibitors, p. 84

Authored documents, p. 89

APPENDIX A—CURRENT INDUSTRY ISSUES AND CONCERNS, p. 90

A.1—Material test methods and reporting of test data, p. 90

A.2—Curing repair materials and manufacturers’ reported test results, p. 91

A.3—Product limitations and warnings, p. 91

A.4—Repair material bond, p. 91

A.5—Corrosion reduction, p. 91

A.6—Structural repairs, p. 92

A.7—Ongoing developments, p. 92

ERRATA INFO

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