Improved Test Methods for Specific Gravity and Absorption of Coarse and Fine Aggregate (2015) / Chapter Skim
Currently Skimming:
Pages 84-96
The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.
From page 84... ...
TS-1c B-1 AASHTO A P P E N D I X B Revised AASHTO T 84
|
From page 85... ...
TS-1c B-2 AASHTO Standard Method of Test for Specific Gravity and Absorption of Fine Aggregate AASHTO Designation: T 84-XX1 ASTM Designation: C 128-XX American Association of State Highway and Transportation Officials 444 North Capitol Street N.W., Suite 249 Washington, D.C.
|
From page 86... ...
TS-1c B-3 AASHTO Standard Method of Test for Specific Gravity and Absorption of Fine Aggregate AASHTO Designation: T 84-XX1 ASTM Designation: C 128-XX 1.
|
From page 87... ...
TS-1c B-4 AASHTO 2.3. IEEE/ASTM Standards: SI 10, American National Standard for Metric Practice D 5550, Standard Test Method for Specific Gravity of Soil Solids by Gas Pycnometer 3.
|
From page 88... ...
TS-1c B-5 AASHTO the percentage of free moisture can be determined by deducting the absorption from the total moisture content determined by T 255 by drying.
|
From page 89... ...
TS-1c B-6 AASHTO the end of the vacuum period, release the vacuum by increasing the pressure at a rate not to exceed 8 kPa (60 mm Hg) per second.
|
From page 90... ...
TS-1c B-7 AASHTO remove the fine aggregate. If noticeable moisture shows on the test surface for more than 1 to 2 s, then surface moisture is considered to be present on the fine aggregate.
|
From page 91... ...
TS-1c B-8 AASHTO 8.2.1. Alternative to Determining the Mass in Section 8.2 -- The quantity of added water necessary to fill the pycnometer at the required temperature may be determined volumetrically using a buret accurate to 0.15 mL.
|
From page 93... ...
TS-1c B-10 AASHTO may be useful in checking the consistency of reported data or calculating a value that was not reported by using other reported data.
|
From page 95... ...
TS-1c B-12 AASHTO G1, G2…Gn = appropriate specific gravity values for each size fraction depending on the type of specific gravity being averaged. Note 8 -- Some users of this method may wish to express the results in terms of density.
|
From page 96... ...
Abbreviations and acronyms used without definitions in TRB publications: A4A Airlines for America AAAE American Association of Airport Executives AASHO American Association of State Highway Officials AASHTO American Association of State Highway and Transportation Officials ACI–NA Airports Council International–North America ACRP Airport Cooperative Research Program ADA Americans with Disabilities Act APTA American Public Transportation Association ASCE American Society of Civil Engineers ASME American Society of Mechanical Engineers ASTM American Society for Testing and Materials ATA American Trucking Associations CTAA Community Transportation Association of America CTBSSP Commercial Truck and Bus Safety Synthesis Program DHS Department of Homeland Security DOE Department of Energy EPA Environmental Protection Agency FAA Federal Aviation Administration FHWA Federal Highway Administration FMCSA Federal Motor Carrier Safety Administration FRA Federal Railroad Administration FTA Federal Transit Administration HMCRP Hazardous Materials Cooperative Research Program IEEE Institute of Electrical and Electronics Engineers ISTEA Intermodal Surface Transportation Efficiency Act of 1991 ITE Institute of Transportation Engineers MAP-21 Moving Ahead for Progress in the 21st Century Act (2012) NASA National Aeronautics and Space Administration NASAO National Association of State Aviation Officials NCFRP National Cooperative Freight Research Program NCHRP National Cooperative Highway Research Program NHTSA National Highway Traffic Safety Administration NTSB National Transportation Safety Board PHMSA Pipeline and Hazardous Materials Safety Administration RITA Research and Innovative Technology Administration SAE Society of Automotive Engineers SAFETEA-LU Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users (2005)
|
Key Terms
This material may be derived from roughly machine-read images, and so is provided only to facilitate research.
More
information on Chapter Skim is available.