asphalt extraction methods

  • US5053118A Bitumen extraction from asphalt pavements

    The Pennsylvania Department of Transportation (PDT) employs a method for the quantitative extraction of bitumen from bituminous paving mixtures that is a modification of AASHTO T 164 a method similar to ASTM D 2172 81 Extraction of the paving mixture in the PDT method is

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  • US5053118A Bitumen extraction from asphalt pavements

    The Pennsylvania Department of Transportation (PDT) employs a method for the quantitative extraction of bitumen from bituminous paving mixtures that is a modification of AASHTO T 164 a method similar to ASTM D 2172 81 Extraction of the paving mixture in the PDT method is

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  • Asphalt Binder Extraction Protocol for Determining Amount

    extraction) and method B (reflux extraction) asphalt analyzer as well as AASHTO T 308 A total of eight mixes including mixes and mixes with various contents of recycled binder were evaluated to quantify the variability in the determination of their asphalt content In

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  • Utilizing recycled asphalt shingle into pavement by

    The proposed extraction process allows for a better control of the properties and performance of asphalt binder and HMA The performance of two other approaches of using RAS into HMA including mixed RAS binder with soft asphalt and rejuvenator was compared with the proposed extraction method

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  • Standard Test Methods for Quantitative Extraction of

    41 All of these test methods can be used for quantitative determinations of asphalt binder in asphalt mixtures and pavement samples for specification acceptance service evaluation control and research Each method prescribes the solvent or solvents and any other reagents that can be used in the test method

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  • Binder recovery apparatus by Abson method Asphalt

    Used for recovering the asphalt (bitumen) from a solution of a previous extraction The asphalt is recovered with properties substantially the same as those it possessed in the bituminous mixture and in quantities sufficient for further testing The apparatus consists of a distillation assembly including Extraction flasks; Glass tubing

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  • Bitumen Extraction Test Binder Content Apparatus

    Oct 20 2018· The mix design of asphalt is carried out by series of hit and trial in job mix formula for determination of the optimum binder content So at site before final payment to the contractor it must be ensured that the amount of bitumen required by the mix design is actually used at site or not Extraction Bottle Method;

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  • ASTM D8159 | InfraTest USA Inc | Automated Extraction

    Patented Automatic Binder Extraction Technology InfraTest Asphalt Analyzer manufactured in Germany ASTM Approved test method for SAFE and FAST solvent extractions

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  • AN EVALUATION OF AN ALTERNATIVE SOLVENT FOR

    There are five different methods of extraction in ASTM D 217 2 which include Centrifuge (Method A) Reflux (Method B C and D) and Vacuum (Method E) extraction The most popular methods are the Centrifuge Method A and the Reflux Method B The asphalt extraction method used by the Florida Department of Transportation (FDOT) is ASTM D 2172

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  • BENZENE SOLUBLE FRACTION AND TOTAL PARTICULATE

    The method is applicable to 15 minute sampl The method was evaluated for asphalt fume; however it is nonspecific and determines the concentrations of total particulate and the soluble fraction of the total particulate to which a worker is exposed Therefore for each sample matrix collected other than asphalt

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  • Research Asphalt Extraction Study | WSDOT

    This study compares the results of four asphalt extraction methods the Quick (WSDOT 711) the Vacuum (AASHTO T 164 Method E 11) the Centrifuge (AASHTO T 164 Method A) and the Reflux (AASHTO T 164 Method D)

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  • Asphalt Wikipedia

    Asphalt gradually became an ever more common method of paving St Charles Avenue in New Orleans was paved its whole length with asphalt by 1889 In 1900 Manhattan alone had 130 000 horses pulling streetcars wagons and carriages and leaving their waste behind

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  • Bitumen Extraction Test [APPARATUS PROCEDURE

    Nov 07 2018· In today's video I have explained in detail about the Bitumen Extraction Test used to carry out the binder content in asphalt Bitumen Extraction test

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  • Asphalt Testing Equipment humboldtmfg

    Asphalt testing equipment for road construction mix evaluations and SHRP testing Humboldt provides a complete selection of asphalt testing equipment for asphalt mix evaluations of both Marshall and SHRP/Superpave mixes in accordance with ASTM AASHTO and other standards

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  • PAVELAB 50 PaveAnalyzer The Case for Automated Asphalt

    The automated asphalt extraction is an innovative efficient quick and safe solvent based extraction of asphalt binder from asphalt mixtures to characterize and control the quality of asphalt mixtures by measuring asphalt content and studying the aggregate gradations This method is used for quality control and assurance acceptance criteria and research activiti

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  • Automatic bitumen extractor Asphalt/bituminous mixture

    Introduction Used for separation and extraction of bitumen by use of perchloroethylene or trichloroethylene solvents and sieving for the separation of filler by centrifuge action and for the recovery of solvent material

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  • AN EVALUATION OF AN ALTERNATIVE SOLVENT FOR

    There are five different methods of extraction in ASTM D 217 2 which include Centrifuge (Method A) Reflux (Method B C and D) and Vacuum (Method E) extraction The most popular methods are the Centrifuge Method A and the Reflux Method B The asphalt extraction method used by the Florida Department of Transportation (FDOT) is ASTM D 2172

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  • Test Methods | Asphalt Testing Solutions

    Our technicians provide asphalt testing services for Marshall and Superpave mix as well as material testing Test Methods ATS laboratories and technicians are FDOT and AASHTO materials certified Our technicians provide asphalt testing services for Marshall and Superpave mix as well as material testing Centrifuge Extraction

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  • Bitumen & Asphalt Extraction Pavertrend | Asphalt | Hot

    Asphalt results in a smoother and more durable surface than a bitumen sealed road Solvent Extraction Solvent extraction the oldest of the three test methods uses a chemical solvent (trichloroethylene or toluene) to remove the asphalt binder from the aggregate Typically a loose HMA sample is weighed and then a solvent is added to

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  • Asphalt Cement and Asphalt/Polymer Blends

    The extraction methods' means of contacting the samples choice of extraction solvents and aggregate adsorptivity determine how much of the asphalt is extracted Method A typically leaves 2 to 4 percent of the asphalt on the aggregate when trichloroethylene (TCE) is the extraction solvent Method

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  • USE OF NORMAL PROPYL BROMIDE SOLVENTS FOR

    USE OF NORMAL PROPYL BROMIDE SOLVENTS FOR EXTRACTION AND RECOVERY OF ASPHALT CEMENTS M Stroup Gardiner and JW Nelson INTRODUCTION While the need for using solvent extraction methods for determining asphalt content has declined significantly with the growing acceptance of the ignition oven there are times when solvent extractions are still

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  • 1852 QUANTITATIVE EXTRACTION OF BITUMINOUS

    1852 QUANTITATIVE EXTRACTION OF BITUMINOUS MIXTURES (CENTRIFUGE) AASHTO T 164 METHOD A (MN/DOT Modified) 18521 SCOPE This method of analysis quantitatively determines the asphalt content of bituminous mixtures using a centrifuge extractor and trichloroethylene or other approved solvents The use of alternatives like n propyl bromide and

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  • Determining Asphalt Content of Bituminous Mixtures by

    DETERMINING ASPHALT CONTENT OF BITUMINOUS MIXTURES BY EXTRACTION TxDOT Designation Tex 210 F Effective Date January 2019 1 SCOPE 11 Use this test method to determine the percentage of asphalt in a paving mixture based on the weight of an asphalt and aggregate mixture This method has four cold solvent extraction procedur

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  • Superpave Volumetric Mix Design Asphalt Pavement

    T 308 Determining the Asphalt Binder Content of Hot Mix Asphalt (HMA) by the Ignition Method T 312 Preparing and Determining the Density of Hot Mix Asphalt (HMA) Specimens by Means of the Superpave Gyratory Compactor T 319 Quantitative Extraction and Recovery of Asphalt Binder from Asphalt Mixtures 22 ASTM Standards

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  • Final Report LRRB

    comparing nPB extraction test results with those of TCE and toluene The 9 12 project panel is proposing revisions to AASHTO on TP2 Standard Test Method For Quantitative Extraction and Recovery of Asphalt Binder From Asphalt Mixtures to include nPB as an extraction solvent [2]

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