222.3R-11 Guide to Design and Construction Practices to Mitigate Corrosion of Reinforcement in Concrete Structures

222.3R-11 Guide to Design and Construction Practices to Mitigate Corrosion of Reinforcement in Concrete Structures

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Description

Corrosion of metals in concrete is a significant problem throughout the world. In many instances, corrosion can be avoided if proper attention is given to detailing, concrete materials and mixture proportions, and construction practices. This guide contains information on aspects of each of these. In addition, the guide contains recommendations for protecting in-service structures exposed to corrosive conditions. The guide is intended for designers, materials suppliers, contractors, and all others engaged in concrete construction.

Keywords: admixtures; aggregates; aluminum; cathodic protection;cement; chlorides; consolidation; corrosion; curing; epoxy coating; highrangewater-reducing admixtures; mixing; mixture proportioning; permeability;reinforcing steel; water-cementitious material ratio.

Document Details

Author: ACI Committee 222

Publication Year: 2011

Pages: 28.00

ISBN: 9780870314223

Categories: Corrosion

Formats: PDF

Table of Contents

Foreword

Chapter 1—Introduction

Chapter 2—Design considerations

2.1—Structural types and corrosion

2.2—Environment and corrosion

2.3—Cracking and corrosion

2.4—Structural details and corrosion

Chapter 3—Impact of mixture proportioning, concreting materials, and type of embedded metal

3.1—Influence of mixture proportioning on corrosion of reinforcing steel

3.2—Influence of selection of cement, aggregates, water,and admixtures on corrosion of reinforcing steel

3.3—Uncoated reinforcing steel

3.4—Epoxy-coated reinforcing steel

3.5—Embedded metals other than reinforcing steel

Chapter 4—Construction practices

4.1—Mixing and transporting concrete

4.2—Placement of concrete and steel

4.3—Consolidation

4.4—Influence of curing on corrosion of reinforcing steel

Chapter 5—Evaluation and protection of in-service structures

5.1—Types of structures susceptible to corrosion-related deterioration

5.2—Evaluation of in-service structures

5.3—Barrier systems for concrete

5.4—Admixtures that extend life of reinforced concrete structures exposed to chloride environments

5.5—Cathodic protection

5.6—Electrochemical chloride extraction

Chapter 6—References

6.1—Referenced standards and reports

6.2—Cited references

ERRATA INFO

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