American Association of State Highway and Transportation Officials (AASHTO) Standards

This method describes the wet preparation of soil samples, as received from the field, for mechanica..

AASHTO R 75-16 (2020) provides a process for developing a family of curves using multiple individual..

These methods cover the reduction of large samples of aggregate to the appropriate size for testing,..

AASHTO R 77-16 (2020) specifies requirements and procedures for a certification system applicable to..

This practice covers two methods for recovering the residue from emulsified asphalts such as those s..

This standard practice covers the process of drying compacted field and laboratory specimens using a..

This standard practice is to provide guidance for the assessment of potential or alleged structural ..

This practice describes approaches for identifying potentially deleteriously reactive aggregates and..

This method covers procedures for determining the static segregation resistance (stability) of self ..

Pipe joint design considerations are a critical component for the overall performance of culvert and..