AASHTO T 99 - A - Proctor Test

This video provides a summary of test method procedures. For more information on this method, including calculations, please visit the CTTP online training modules here: cttp.uark.edu/online-training...

[@Tyson-ew7bt]

Amazing this best video ever watched.

[@tenzinlungtok762]

What is the reason of the multiple layers?

[@TheRandomguy225]

Roads and foundations are generally built upon multiple layers, generally 300mm thick. This test is meant to emulate full compaction, and therefore needs to replicate multiple layers.