ASTM RR:D04-1013 PDF Download

The ASTM RR:D04-1013 standard, also known as ASTM D6390, is a test method used to determine the draindown characteristics in uncompacted asphalt mixtures. The purpose of this standard is to provide a measure of the potential draindown of asphalt mixtures, which refers to the separation of asphalt binder from the aggregate due to gravity and other forces.

To ensure the accuracy and reliability of the test results, the standard incorporates an inter-laboratory study. This study involves multiple laboratories performing the test method to assess the precision of the measurements. The precision statements obtained from the study guide users in understanding the range of possible variability in the test results when performed by different laboratories.

The ASTM D6390 test method involves subjecting a sample of the asphalt mixture to a specified amount of compactive effort and simulating a temperature and moisture conditions that are representative of field conditions. After a certain duration, the sample is allowed to drain, and the amount of draindown is measured and expressed as a percentage of the initial asphalt binder content.

By providing a standardized procedure for measuring draindown characteristics, this ASTM standard helps in evaluating the potential performance of asphalt mixtures in terms of long-term durability and resistance to deformation. This information is crucial for designing and selecting appropriate asphalt mixtures for construction projects.