Provides detailed instruction on cutting-edge procedures, including the Multiple-Stress Creep Recovery (MSCR) test and the generation of mastercurves. Binder Modification:
Note: The Asphalt Institute materials are copyrighted. Always seek official, legal copies.
: Detailed exploration of chemical composition, functional groups, polarity, and the effects of oxidation. asphalt institute ms-26 pdf
Outline safe handling, storage, and environmental considerations for liquid asphalt.
The workhorse of the PG system. The DSR places a small disc of binder between two plates (one fixed, one oscillating). It measures the complex shear modulus ( G*cap G raised to the * power ) and phase angle ( ) to quantify the binder's stiffness and elasticity. The DSR places a small disc of binder
Close the valve tightly. Immediately seal the container with its tight-fitting lid. Wipe away any spilled asphalt from the outside of the container using a clean, dry cloth (do not use solvents).
How crude selection influences the final binder quality. While this seems expensive
Wide-mouth plastic (polyethylene) jars or bottles. Metal cans must be avoided for emulsions, as the water content can cause rusting and chemical destabilization.
Expect to pay between for a legitimate PDF license. While this seems expensive, consider that a single failed asphalt test due to incorrect procedure (e.g., using the wrong DSR plate gap) costs thousands in rejected truckloads. The manual pays for itself instantly.