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ACI 423.8R 10:2010 Edition

ACI 423.8R 10:2010 Edition

$26.27

423.8R-10 Report on Corrosion and Repair of Grouted Multistrand and Bar Tendon Systems

Published By Publication Date Number of Pages
ACI 2010 14
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This report gives general information regarding the evaluation of corrosion damage in structures reinforced with grouted multistrand and bar tendons. A review of current practice is included along with the historical background. Specific potential problem areas for grouted tendons are discussed for each critical part of the tendon. Current methods for evaluating corrosion damage and typical repair schemes are included. Keywords: anchorage; bonded; corrosion; duct; durability; grout; posttensioning; prestressed; repair; strand; tendon.

PDF Catalog

PDF Pages PDF Title
3 CONTENTS
CONTENTS
4 CHAPTER 1— INTRODUCTION
CHAPTER 1— INTRODUCTION
1.1— General
1.1— General
1.2—Background
1.2—Background
1.3—Scope
1.3—Scope
1.4—Limitations
1.4—Limitations
CHAPTER 2— DEFINITIONS
CHAPTER 2— DEFINITIONS
5 CHAPTER 3— REVIEW OF CURRENT PRACTICE
CHAPTER 3— REVIEW OF CURRENT PRACTICE
3.1— General
3.1— General
3.2—Grouting requirements
3.2—Grouting requirements
3.2.1 Materials
3.2.1 Materials
6 3.2.2 Design
3.2.2 Design
3.2.3 Testing
3.2.3 Testing
3.2.4 Construction
3.2.4 Construction
3.3—Tendon protection requirements
3.3—Tendon protection requirements
CHAPTER 4— GROUTED TENDONS
CHAPTER 4— GROUTED TENDONS
4.1—Evolution of grouted tendons
4.1—Evolution of grouted tendons
4.2—Types of grouted tendons
4.2—Types of grouted tendons
7 4.3—Potential problem areas
4.3—Potential problem areas
4.4—Duct
4.4—Duct
8 4.4.1 Duct testing
4.4.1 Duct testing
4.4.2 Flushing of ducts
4.4.2 Flushing of ducts
4.5—Grout
4.5—Grout
9 4.6—Strand and bar
4.6—Strand and bar
4.7—Anchorage hardware and protection
4.7—Anchorage hardware and protection
4.8—Performance record
4.8—Performance record
4.8.1 Performance in the UK
4.8.1 Performance in the UK
4.8.2 Performance in the U.S.
4.8.2 Performance in the U.S.
CHAPTER 5— EVALUATING CORROSION DAMAGE
CHAPTER 5— EVALUATING CORROSION DAMAGE
5.1— General
5.1— General
10 5.2—Monitoring
5.2—Monitoring
5.3—Nondestructive methods
5.3—Nondestructive methods
5.4—Exploratory methods
5.4—Exploratory methods
11 CHAPTER 6— REPAIR SCHEMES AND METHODS
CHAPTER 6— REPAIR SCHEMES AND METHODS
6.1—General
6.1—General
6.2—Grouting of voids
6.2—Grouting of voids
6.3—Tendon repair
6.3—Tendon repair
CHAPTER 7— REFERENCES
CHAPTER 7— REFERENCES
7.1— Cited references
7.1— Cited references

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