TRB's National Cooperative Highway Research Program (NCHRP) Research Report 847: Variability of Ignition Furnace Correction Factors explores the significant influences that affect the variability of asphalt and aggregate correction factors for ignition furnaces. The report presents a proposed practice in American Association of State Highway and Transportation Officials (AASHTO) standard format for installation, operation, and maintenance of ignition furnaces to minimize the variability in correction factors between furnaces.
Table of Contents
|Chapter 1 - Introduction||1-1|
|Chapter 2 - Literature Review||2-17|
|Chapter 3 - Survey of State DOT and Industry Practice Regarding the Use of Ignition Furnaces||18-26|
|Chapter 4 - Experimental Plan Description||27-33|
|Chapter 5 - Results and Analysis of the Experiments||34-64|
|Chapter 6 - Summary of Findings||65-68|
|Chapter 7 - Conclusions and Recommendations||69-69|
|Appendix A - State DOT and Contractor Survey||72-73|
|Appendix B - Summary of State Test Methods Compared with AASHTO T 308||74-75|
|Appendix C - Sensitivity Experiment Matrices and Asphalt Content Test Results||76-81|
|Appendix D - Instructions to Round-Robin Participants and Data Report||82-83|
|Appendix E - Round-Robin Test Results||84-87|
|Appendix F - Round-Robin Test Results Analyses Tables per ASTM E691||88-96|
|Appendix G - Checklist for Troubleshooting Laboratory Visits||97-98|
|Appendix H - Comparison of Burning Profiles for Laboratory 23||99-103|
|Appendix I - Proposed Standard Practice for Installation, Operation, and Maintenance of Ignition Furnaces with Commentary||104-116|
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