Several years ago, I started poking around to fix a challenge all field engineers deal with when generating materials field testing data: Accurately collecting data from the field without knowing ...

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 ...

This appendix contains short descriptions of different certification programs related to materials sampling and testing that were referenced in the literature review. The programs are listed in ...