National Academies Press: OpenBook

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

Chapter: Appendix E: Moisture Content of Fine with Silt Aggregate-Soil Blend and Computed ASTM E691 Statistics

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Suggested Citation:"Appendix E: Moisture Content of Fine with Silt 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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Page 40
Page 41
Suggested Citation:"Appendix E: Moisture Content of Fine with Silt 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 41
Page 42
Suggested Citation:"Appendix E: Moisture Content of Fine with Silt 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 42
Page 43
Suggested Citation:"Appendix E: Moisture Content of Fine with Silt 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 43
Page 44
Suggested Citation:"Appendix E: Moisture Content of Fine with Silt 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 44

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38 APPENDIX E- MOISTURE CONTENT OF FINE WITH SILT AGGREGATE-SOIL BLEND AND COMPUTED ASTM E691 STATISTICS

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

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

41 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 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 Fine w/ Silt, 4 % Moisture 2.0 3.0 4.0 5.0 6.0 7.0 8.0 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 Fine w/ Silt, 6 % Moisture 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 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 Fine w/ Silt, 8 % Moisture Figure E-1: Median water content values of Coarse with Clay aggregate-soil blends and the corresponding error bands

42 -3.0 -2.0 -1.0 0.0 1.0 2.0 3.0 4.0 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 h Lab Number Fine w/ Silt, 4% Moisture h critical -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 31 h Lab Number Fine w/ Silt, 6% Moisture h critical -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 31 h Lab Number Fine w/ Silt, 8 % Moisture h 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 Fine w/ Silt, 4 % Moisture k critical 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 k Lab Number Fine w/ Silt, 6% 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 Fine w/ Silt, 8 % Moisture k critical Figure E-2: h and k consistency statistics of water content measurements of fine with silt aggregate- soil blends

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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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