National Academies Press: OpenBook

Precision Estimates of AASHTO T265: Laboratory Determination of Moisture Content of Soils (2010)

Chapter: Appendix B: Moisture Content of Coarse with Clay Aggregate-Soil Blend and Computed ASTM E691 Statistics

« Previous: Appendix A: Instructions and Data Sheet for Interlaboratory Study
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Suggested Citation:"Appendix B: Moisture Content of Coarse with Clay Aggregate-Soil Blend and Computed ASTM E691 Statistics." National Academies of Sciences, Engineering, and Medicine. 2010. Precision Estimates of AASHTO T265: Laboratory Determination of Moisture Content of Soils. Washington, DC: The National Academies Press. doi: 10.17226/22920.
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Suggested Citation:"Appendix B: Moisture Content of Coarse with Clay Aggregate-Soil Blend and Computed ASTM E691 Statistics." National Academies of Sciences, Engineering, and Medicine. 2010. Precision Estimates of AASHTO T265: Laboratory Determination of Moisture Content of Soils. Washington, DC: The National Academies Press. doi: 10.17226/22920.
×
Page 26
Page 27
Suggested Citation:"Appendix B: Moisture Content of Coarse with Clay Aggregate-Soil Blend and Computed ASTM E691 Statistics." National Academies of Sciences, Engineering, and Medicine. 2010. Precision Estimates of AASHTO T265: Laboratory Determination of Moisture Content of Soils. Washington, DC: The National Academies Press. doi: 10.17226/22920.
×
Page 27
Page 28
Suggested Citation:"Appendix B: Moisture Content of Coarse with Clay Aggregate-Soil Blend and Computed ASTM E691 Statistics." National Academies of Sciences, Engineering, and Medicine. 2010. Precision Estimates of AASHTO T265: Laboratory Determination of Moisture Content of Soils. Washington, DC: The National Academies Press. doi: 10.17226/22920.
×
Page 28
Page 29
Suggested Citation:"Appendix B: Moisture Content of Coarse with Clay Aggregate-Soil Blend and Computed ASTM E691 Statistics." National Academies of Sciences, Engineering, and Medicine. 2010. Precision Estimates of AASHTO T265: Laboratory Determination of Moisture Content of Soils. Washington, DC: The National Academies Press. doi: 10.17226/22920.
×
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23 APPENDIX B- MOISTURE CONTENT OF COARSE WITH CLAY AGGREGATE-SOIL BLEND AND COMPUTED ASTM E691 STATISTICS

24 Table B-1: Moisture content (%) of three replicates of coarse with clay aggregate-soil blends in the ILS study and the computed statistics according to ASTM E 691

25 Table B-1(Continued): Moisture content (%) of three replicates of coarse with clay aggregate-soil blends in the ILS study and the computed statistics according to ASTM E 691

26 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6 3.8 4.0 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 M oi st ur e C on te nt , % Lab Number Coarse w/ Clay, 3 % Moisture 3.5 4.0 4.5 5.0 5.5 6.0 6.5 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 M oi st ur e C on te nt , % Lab Number Coarse w/ Clay, 5 % Moisture 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 M oi st ur e C on te nt , % Lab Number Coarse w/ Clay, 7 % Moisture Figure B-1: Median water content values of coarse with clay aggregate-soil blends and the corresponding error bands

27 -4.0 -3.0 -2.0 -1.0 0.0 1.0 2.0 3.0 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31h Lab Number Coarse w/ Clay, 3% Moisture h critical -3.0 -2.0 -1.0 0.0 1.0 2.0 3.0 4.0 5.0 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 h Lab Number Coarse w/ Clay, 5% Moisture h critical -3.0 -2.0 -1.0 0.0 1.0 2.0 3.0 4.0 5.0 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 h Lab Number Coarse w/ Clay, 7 % Moisture h critical 0.0 0.5 1.0 1.5 2.0 2.5 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 k Lab Number Coarse w/ Clay, 3 % Moisture k critical 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 k Lab Number Coarse w/ Clay, 5% Moisture k critical 0.0 0.5 1.0 1.5 2.0 2.5 3.0 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 k Lab Number Coarse w/ Clay, 7 % Moisture k critical Figure B-2: h and k consistency statistics of water content measurements of coarse with clay aggregate-soil blends

Next: Appendix C: Moisture Content of Coarse with Silt Aggregate-Soil Blend and Computed ASTM E691 Statistics »
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TRB’s National Cooperative Highway Research Program (NCHRP) Web-Only Document 164: Precision Estimates of AASHTO T265: Laboratory Determination of Moisture Content of Soils includes the results of an interlaboratory study to prepare precision estimates for the American Association of State Highway and Transportation Officials (AASHTO) T265 test method used for laboratory determination of moisture content of soils.

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