Table of Contents
CHAPTER 1—INTRODUCTION AND SCOPE, p. 2
1.1—Introduction, p. 2
1.2—Scope, p. 2
CHAPTER 2—NOTATION, p. 2
CHAPTER 3—ASSESSMENT, p. 4
3.1—Planning, p. 4
3.2—Objective of testing program, p. 4
3.3—Properties and testing, p. 4
CHAPTER 4—BACKGROUND ON STATISTICAL TECHNIQUES, p. 5
4.1—Defining the population and determining sample sizes, p. 5
4.2—Characterizing data, p. 7
4.3—Comparing and combining datasets, p. 9
4.4—Bounding sample statistics using confidence intervals, p. 10
4.5—Determining fractile values, p. 13
4.6—Characterizing data representing extreme transient loads, p. 13
CHAPTER 5—RELIABILITY-BASED DURABILITY ASSESSMENT EXAMPLE, p. 14
5.1—Problem statement, p. 14
5.2—Structure details, p. 14
5.3—Assessment and testing methodology, p. 15
5.4—Condition assessment plan, p. 15
5.5—Reinforcement cover measurements, p. 16
5.6—Carbonation depth measurements, p. 18
5.7—Evaluation results and conclusion, p. 19
CHAPTER 6—RELIABILITY-BASED STRENGTH ASSESSMENT EXAMPLE, p. 20
6.1—Problem statement, p. 21
6.2—Preliminary assessment, p. 21
6.3—Detailed assessment: Case of good documentation, p. 22
6.4—Detailed assessment: Case of no documentation, p. 23
6.5—Strength assessment by mean load method, p. 27
6.6—Comparison of methods, p. 31
6.7—Summary, p. 31
CHAPTER 7—SUMMARY, p. 31
CHAPTER 8—REFERENCES, p. 32
Authored documents, p. 33
APPENDIX A—RELIABILITY TOOLKIT FOR ASSESSMENT OF EXISTING CONCRETE STRUCTURES, p. 33
A.1—Introduction, p. 33
A.2—Reliability index and mean load method, p. 33
A.3—Target reliability indexes, p. 34
A.4—Combinations of independent random variables, p. 34
A.5—Statistical parameters for resistance, p. 35
A.6—Extreme value distributions for transient load effects, p. 36
A.7—Defining “population” for sampling, p. 37
A.8—Data analysis, p. 37
A.9—Bayes’ theorem, p. 37
A.10—Examples, p. 38