Binder Content In Asphalt By Ignition Method
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Binder Content In Asphalt By Ignition Method
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Author :
language : en
Publisher:
Release Date : 1997
Binder Content In Asphalt By Ignition Method written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with categories.
Binder Content In Asphalt By Ignition Method
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Author :
language : en
Publisher:
Release Date : 1997
Binder Content In Asphalt By Ignition Method written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Asphalt categories.
Standard Method Of Test For Determining The Asphalt Binder Content Of Hot Mix Asphalt Hma By The Ignition Method
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Author : American Association of State Highway and Transportation Officials
language : en
Publisher:
Release Date : 2018
Standard Method Of Test For Determining The Asphalt Binder Content Of Hot Mix Asphalt Hma By The Ignition Method written by American Association of State Highway and Transportation Officials and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with Binders (Materials) categories.
"AASHTO T 308-18 test method covers the determination of asphalt binder content of hot mix asphalt (HMA) by ignition at temperatures that reach the flashpoint of the binder in a furnace. The means of specimen heating may be the convection method or the direct infrared (IR) irradiation method. The aggregate remaining after burning can be used for sieve analysis using T 30." --
Determining The Binder Content Of Hot Mix Asphalt Containing Dolomitic Aggregates Using The Ignition Oven
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Author : Karol K. Kowalski
language : en
Publisher:
Release Date : 2010-10-15
Determining The Binder Content Of Hot Mix Asphalt Containing Dolomitic Aggregates Using The Ignition Oven written by Karol K. Kowalski and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-10-15 with categories.
Modified Ignition Oven Test Procedure For Determination Of Binder Content In Hot Mix Asphalt Containing Dolomite Aggregate
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Author : Karol J. Kowalski
language : en
Publisher:
Release Date : 2011
Modified Ignition Oven Test Procedure For Determination Of Binder Content In Hot Mix Asphalt Containing Dolomite Aggregate written by Karol J. Kowalski and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Binder content categories.
The binder content of hot mix asphalt (HMA) is most commonly determined either by solvent extraction or ignition oven (IO) methods. Generally, the IO method has worked well with various HMA mixtures except those containing certain types of high mass loss (decomposing) aggregates, especially dolomite. For these aggregates, the high temperatures experienced during the ignition process initiate chemical changes within the aggregate particles, which result in variable mass losses. This, in turn, causes difficulties in calculating a consistent correction factor and determining a repeatable binder content. This paper presents a modified IO binder content determination method, which involves lowering the test temperature to 427°C and reducing the sample mass by half. In addition, only the bottom material basket of the typical IO test setup is used to avoid errors in the results due to temperature differentials that develop when, upon ignition, mixture from the lower basket starts heating the mixture in the upper basket. The proposed method was successfully verified by using six different plant-produced mixtures.
Bituminous Mixtures Test Methods For Hot Mix Asphalt Binder Content By Ignition
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Author : British Standards Institute Staff
language : en
Publisher:
Release Date : 1912-08-31
Bituminous Mixtures Test Methods For Hot Mix Asphalt Binder Content By Ignition written by British Standards Institute Staff and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1912-08-31 with categories.
Asphalts, Bitumens, Bituminous products, Construction materials, Binding agents, Determination of content, Ignition, Calibration, Mixtures
Evaluation Of The Ignition Oven Test Procedure For Binder Content And Aggregate Grading Of Asphalt
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Author :
language : en
Publisher:
Release Date : 1998
Evaluation Of The Ignition Oven Test Procedure For Binder Content And Aggregate Grading Of Asphalt written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with categories.
Variability Of Ignition Furnace Correction Factors
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Author : Carolina Rodezno
language : en
Publisher:
Release Date : 2017
Variability Of Ignition Furnace Correction Factors written by Carolina Rodezno and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with Asphalt categories.
"Determining the Asphalt Binder Content of Hot Mix Asphalt (HMA) by the Ignition Method," requires determination of asphalt and aggregate correction factors for asphalt mix designs for each ignition furnace used to test a design. In some cases, where there are numerous asphalt mix designs or numerous ignition furnaces testing a particular mix design, correction factors may be shared between ignition furnaces, though this practice is not strictly permitted by AASHTO T 308 without supporting evidence. The objectives of this research were to (1) determine the significant influences that affect the variability of asphalt and aggregate correction factors for ignition furnaces; (2) develop guidelines for the installation, operation, and maintenance of ignition furnaces to minimize the variability in correction factors between furnaces; and (3) develop and document a statistically valid correction factor verification procedure to identify and troubleshoot causes for non-comparing, statistically different, or biased results of AASHTO T 308. The research was conducted in three parts: (1) a study of the sensitivity of asphalt and aggregate correction factors to variation in experimental factors such as furnace type, test temperature, asphalt content, and sample mass; (2) a round-robin study to identify correction factor outliers and determine the contributory cause(s); and (3) troubleshooting of outliers from the round-robin study. The research found that the primary factors affecting asphalt and aggregate correction factors determined by AASHTO T 308 are furnace type and test temperature. Conducting the test at 800°F appears to substantially reduce the magnitude and standard deviation of the correction factors for asphalt mixtures that do not contain lime. Sharing correction factors among different ignition furnaces appears acceptable for low correction factor aggregates (0.1% or less) but is problematic for aggregates with correction factors of 1.0% or greater. The current precision estimates in AASHTO T 308 appear applicable only to mixtures with low correction factor aggregates. The key product of this research is a Proposed Standard Practice for Installation, Operation, and Maintenance of Ignition Furnaces (Appendix I). Development of a verification procedure to identify causes for non-comparing, statistically different, or biased test results from ignition furnaces was found to be premature and further research is planned.
Using Ignition Ovens To Determine Asphalt Content And To Prepare Aggregates For Sieve Analysis
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Author : Robert E. Lee
language : en
Publisher:
Release Date : 1996
Using Ignition Ovens To Determine Asphalt Content And To Prepare Aggregates For Sieve Analysis written by Robert E. Lee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Aggregates (Building materials) categories.
The Materials and Tests Division's Bituminous Section evaluated the ignition method as an alternative to the solvent method for determining asphalt content. Three ovens (the Gilson Asphalt Binder Ignition Furnace, Model HM 378; the NCAT Asphalt Content Tester; and the Troxler Asphalt Quality Analyzer) were evaluated for accuracy, precision, and performance. Ignition was proven to be an appropriate method of determining asphalt content. The test procedure resulting from this work is Tex-236-F, which is included in Appendix A.
Improved Mix Design Evaluation And Materials Management Practices For Hot Mix Asphalt With High Reclaimed Asphalt Pavement Content
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Author : Randy Clark West
language : en
Publisher: Transportation Research Board
Release Date : 2013
Improved Mix Design Evaluation And Materials Management Practices For Hot Mix Asphalt With High Reclaimed Asphalt Pavement Content written by Randy Clark West and has been published by Transportation Research Board this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Pavements, Asphalt categories.
TRB's National Cooperative Highway Research Program (NCHRP) Report 752: Improved Mix Design, Evaluation, and Materials Management Practices for Hot Mix Asphalt with High Reclaimed Asphalt Pavement Content describes proposed revisions to the American Association of State Highway and Transportation Officials (AASHTO) R 35, Superpave Volumetric Design for Hot Mix Asphalt, and AASHTO M 323, Superpave Volumetric Mix Design, to accommodate the design of asphalt mixtures with high reclaimed asphalt pavement contents.