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TRB’s National Cooperative Highway Research Program (NCHRP) Web-Only Document 141: Precision Estimates for AASHTO Test Method T 104, Determined Using AMRL Proficiency Sample Data explores the use of data from the AASHTO Materials Reference Laboratory (AMRL) Proficiency Sample Program (PSP) used to update precision estimates for American Association of State Highway and Transportation Officials Standard Test Method T 104, “Soundness of Aggregate by Use of Sodium Sulfate or Magnesium Sulfate.”

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Suggested Citation

National Academies of Sciences, Engineering, and Medicine. 2009. Precision Estimates for AASHTO Test Method T 104, Determined Using AMRL Proficiency Sample Data. Washington, DC: The National Academies Press. https://doi.org/10.17226/23020.

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Publication Info

8.5 x 11 |  DOI: https://doi.org/10.17226/23020
Chapters skim
Front Matter i-vi
CHAPTER 1. INTRODUCTION AND RESEARCH APPROACH 1-3
CHAPTER 2. RESULTS OF ANALYSIS AND ESTIMATES OF PRECISION 4-14
CHAPTER 3. CONCLUSIONS AND RECOMMENDATIONS 15-16
REFERENCES: 17-17
APPENDIX A: SOUNDNESS MEASUREMENTS USING SODIUM SULFATE, COARSE AGGREGATES: 19.0-MM TO9.5-MM PASSING 8.0-MM SIEVE 18-24
APPENDIX B: SOUNDNESS MEASUREMENTS USING SODIUM SULFATE, COARSE AGGREGATES 9.5-MM TO 4.75-MM PASSING 4.0-MM SIEVE 25-31
APPENDIX C: WEIGHTED AVERAGE SOUNDNESS MEASUREMENTS USING SODIUM SULFATE, COARSE AGGREGATES 32-38
APPENDIX D: SOUNDNESS MEASUREMENTS USING MAGNESIUM SULFATE, COARSE AGGREGATES: 19-MM TO 9.5-MM PASSING 8.0-MM SIEVE 39-45
APPENDIX E: SOUNDNESS MEASUREMENTS USING MAGNESIUM SULFATE, COARSE AGGREGATE: 9.5-MM TO 4.75-MM PASSING 4.0-MM SIEVE 46-52
APPENDIX F: WEIGHTED AVERAGE SOUNDNESS MEASUREMENTS USING MAGNESIUM SULFATE, COARSE AGGREGATE 53-59
APPENDIX G: SOUNDNESS MEASUREMENTS USING SODIUM SULFATE, MATERIAL FINER THAN 1.18-MM SIEVE 60-66
APPENDIX H: SOUNDNESS MEASUREMENTS USING SODIUM SULFATE, MATERIAL FINER THAN 600- M SIEVE 67-73
APPENDIX I: SOUNDNESS MEASUREMENTS USING SODIUM SULFATE, MATERIAL FINER THAN 300- M SIEVE 74-80
APPENDIX J: WEIGHTED AVERAGE SOUNDNESS MEASUREMENTS USING SODIUM SULFATE, FINE AGGREGATE 81-87
APPENDIX K: SOUNDNESS MEASUREMENTS USING MAGNESIUM SULFATE, MATERIAL FINER THAN 1.18-MM SIEVE 88-94
APPENDIX L: SOUNDNESS MEASUREMENTS USING MAGNESIUM SULFATE, MATERIAL FINER THAN 600- M SIEVE 95-101
APPENDIX M: SOUNDNESS MEASUREMENTS USING MAGNESIUM SULFATE, MATERIAL FINER THAN 300- M SIEVE 102-108
APPENDIX N: WEIGHTED AVERAGE SOUNDNESS MEASUREMENTS USING MAGNESIUM SULFATE, FINE AGGREGATE 109-115

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