Specific specimen weight tables categorized by aggregate size.
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Implementing ASTM D6307 requires an engineered to meet the standard's stringent requirements. These are not standard laboratory ovens; they are specialized pieces of equipment with specific features: astm d6307 pdf
The Complete Guide to ASTM D6307: Standard Test Method for Asphalt Content by Ignition Method
An added benefit of the ASTM D6307 method is that the clean, binder-free aggregate remaining in the basket can be immediately used for a sieve analysis (gradation test) according to ASTM C136 or AASHTO T 30. This allows quality control technicians to verify not only the quantity of the asphalt binder but also whether the structural skeleton of the aggregate meets the required mix design specifications. 6. Accessing the ASTM D6307 PDF These are not standard laboratory ovens; they are
Yes, but with caution. The ignition method burns off the aged binder in RAP as well as the virgin binder. The standard requires that you account for the residual binder content of the RAP through a separate extraction or ignition test on the RAP alone.
Individuals or organizations can purchase the standard directly from ASTM. This often includes access to the current and possibly future versions of the standard. Accessing the ASTM D6307 PDF Yes, but with caution
This means that if the same sample is tested twice in the same lab, results should differ by no more than about 0.17%; for different labs, the difference should be no more than 0.44%.
An internal balance capable of weighing the sample continuously during the burn.
In addition, your laboratory should be accredited under , which specifies minimum requirements for testing agencies performing asphalt mixture testing.
Operating a furnace at 538°C presents severe burn hazards. Technicians must wear high-temperature thermal gloves, face shields, and protective aprons. How to Access the ASTM D6307 PDF