Mixtures – ASTM D/DM APPARATUS. 1. Ovens / Clause Maintains the temperature at ± °C ( ± °F) ____. 2. Balance. STANDARD. • IRC: SP 11 – (Appendix – 5), ASTM D OBJECTIVE. • To determine the binder content in the asphalt mix by cold solvent extraction. Centrifuge Extractors are used to determine bitumen content in paving mixtures. They comply with ASTM D (Method A) and AASHTO T
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ASTM-D – Free Download PDF
Evaporate to dryness on a steam bath or hot plate, except use a steam bath when the solvent is benzene. Apply heat from either a gas burner or an electric hot plate. Please fill this form, we will try to respond as soon as possible. Committee of the American Conference of Governmental Industrial Hygienists6 for the current threshold limit values.
Current Curre nt editi edition on appro approved ved Feb. Use sufficient mL solvent d2712 not less than three so that the extract d212 not darker than a light straw color. The values given in parentheses are for information asmt.
Place the bowl containing the test portion and the solvent in the extraction apparatus. Remove it with tongs and wash with the wash bottle. Reliable results depend on many factors; following the suggestions of Specification D or some similar acceptable guideline provides a means of evaluating and controlling some of those factors.
This standard has been approved for use by agencies of the Department of Defense. The quality of the astn produced by this standard are dependent on the competence of the personnel performing the procedure and the capability, calibration, and maintenance of the equipment used.
ASTM D Standard
Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Size px x x x x Pour the solvent into the glass cylinder and place the bottom frame into it.
It is difficult to remove all the asphalt when some aggregates are used and some chlorides may remain within the mineral matter affecting the measured asphalt content. A bail handle may be provided on the inside of the top rim of each frame for convenient handling.
Link to Active This link will always route to the current Active version of the standard. Split or quarter the material until the mass of material required for test is obtained.
The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Take this test specimen from f2172 remaining sample of the mixture immediately after obtaining the extraction test specimen.
Record the mass, identifying each frame by number.
Calculate the mass of the test portion. Pour approximately mL of solvent 6.
Combine the extract and the washings in a graduated cylinder. It is difficult to remove all the asphalt when some aggregates are used and some chlorides may remain within the mineral matter affecting the measured asphalt content.
Set the condenser cover in place on the kettle. These units require a relatively short processing time, which includes weighing the asphalt sample, heating the sample slightly until it starts crumbling, cooling the sample, placing it in the centrifuge extractor’s rotor bowl and then adding solvent.
It is difficult to remove all the asphalt when some aggregates are used and some chlorides may remain within the mineral matter affecting the measured asphalt content. We need your help! These notes and footnotes excluding those in tables and figures shall not be considered as requirements of the standard. Mix the test portion with a trowel and continue extraction to completion. Active view current version of standard. Water absorption capacities were consistently below 1.
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