National Academies of Sciences%2c Engineering%2c and Medicine

State DOT Certification Programs for Materials Sampling and Testing Personnel

The practices and methods listed were compiled from information found on the DOT’s website or from a document or documents on their website. AASHTO standard specifications begin with an “M,” practices ...
National Academies of Sciences%2c Engineering%2c and Medicine

State DOT Certification Programs for Materials Sampling and Testing Personnel

This chapter addresses the common practices and test methods (standards) that are used for certification programs for the basic material categories of soils and aggregate, asphalt mixture, and ...
For Construction Pros

ACE Auto-Grade Portable Quality Control Laboratory

The ACE Auto-Grade Laboratory is a fully self-contained gradation lab designed to automate AASHTO T11 & T27 ASTM C117 & C136 aggregate testing. The ACE Auto-Grade Laboratory is a fully self-contained ...