• Front Matter R1-R10

• Summary 1-2

• Background to Strand Bond Uncertainty 3-3

• Pretreatment and Lubrication 4-6

• Residual Film 7-7

• Organization of Document 8-8

• Quality Control Program Development 9-9

• Evaluation of Proposed Surface and Chemical Test Methods 10-12

• Proposed Quality Control Test Methods 13-16

• Statistical Evaluation of Results 17-18

• Supplemental Investigations of Strand Bond 19-19

• Strand Manufacturers 20-20

• Mechanical Testing 21-21

• Chemical and Surface Testing 22-24

• Development of Thresholds 25-28

• Interpretation of Elemental Analyses Relative to Manufacturing Processes 29-30

• Development of Quality Control Program for Strand Bond 31-31

• Thresholds 32-32

• Computational Tool 33-34

• Chapter 4 - Conclusions and Recommendations 35-35

• Future Work 36-36

• References 37-37

• Appendix A - Review of Strand Bond Literature 38-38

• Appendix B - Evaluation of Mechanical and Chemical Test Methods 39-122

• Appendix C - Specifications for Standard Surface Test Methods 123-128

• Appendix D - Supplemental Investigations of Strand Bond 129-129

• Appendix E - Bibliography of Strand Bond 130-130

• Abbreviations used without definitions in TRB publications 131-131

Lawler, John S, Connolly, James D, Osborn, Andrew E N, Transportation Research Board " Proposed Quality Control Test Methods ." NCHRP Report 621: Acceptance Tests for Surface Characteristics of Steel Strands in Prestressed Concrete . Washington, DC: The National Academies Press, 2009 .

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