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Precision Estimates of AASHTO T148: Measuring Length of Drilled Concrete Cores (2010)

Chapter: Appendix B: Length of Drilled Concrete Cores and Computed ASTM E691 Statistics

« Previous: Appendix A: Instructions and Datasheet for AASHTO T148 Round Robin Study
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Suggested Citation:"Appendix B: Length of Drilled Concrete Cores and Computed ASTM E691 Statistics ." National Academies of Sciences, Engineering, and Medicine. 2010. Precision Estimates of AASHTO T148: Measuring Length of Drilled Concrete Cores. Washington, DC: The National Academies Press. doi: 10.17226/22919.
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Suggested Citation:"Appendix B: Length of Drilled Concrete Cores and Computed ASTM E691 Statistics ." National Academies of Sciences, Engineering, and Medicine. 2010. Precision Estimates of AASHTO T148: Measuring Length of Drilled Concrete Cores. Washington, DC: The National Academies Press. doi: 10.17226/22919.
×
Page 17
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Suggested Citation:"Appendix B: Length of Drilled Concrete Cores and Computed ASTM E691 Statistics ." National Academies of Sciences, Engineering, and Medicine. 2010. Precision Estimates of AASHTO T148: Measuring Length of Drilled Concrete Cores. Washington, DC: The National Academies Press. doi: 10.17226/22919.
×
Page 18
Page 19
Suggested Citation:"Appendix B: Length of Drilled Concrete Cores and Computed ASTM E691 Statistics ." National Academies of Sciences, Engineering, and Medicine. 2010. Precision Estimates of AASHTO T148: Measuring Length of Drilled Concrete Cores. Washington, DC: The National Academies Press. doi: 10.17226/22919.
×
Page 19
Page 20
Suggested Citation:"Appendix B: Length of Drilled Concrete Cores and Computed ASTM E691 Statistics ." National Academies of Sciences, Engineering, and Medicine. 2010. Precision Estimates of AASHTO T148: Measuring Length of Drilled Concrete Cores. Washington, DC: The National Academies Press. doi: 10.17226/22919.
×
Page 20

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15 APPENDIX B- LENGTH OF DRILLED CONCRETE CORES AND COMPUTED ASTM E691 STATISTICS

16 Table B-1- Length measurements (mm) of six concrete cores in the round robin study and their computed statistics according to ASTM E 691

17 Table B-2- Computed statistics of length data after elimination of outlier data

18 Figure B-1: h and k consistency statistics of length measurements of 6”cores

19 Figure B-2: h and k consistency statistics of length measurements of 4”cores

Next: Appendix C: Precision Statement for AASHTO T148 »
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TRB’s National Cooperative Highway Research Program (NCHRP) Web-Only Document 165: Precision Estimates of AASHTO T148: Measuring Length of Drilled Concrete Cores includes the results of a round robin study to prepare precision estimates for American Association of State Highway and Transportation Officials (AASHTO) T148 test method used for determining the length of a core drilled from a concrete pavement or structural element.

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