AASHTO T 99-21

Standard Method of Test for Moisture-Density Relations of Soils Using a 2.5-kg (5.5-lb) Rammer and a 305-mm (12-in.) Drop
standard by American Association of State and Highway Transportation Officials, 2021

AASHTO T 166-21

Standard Method of Test for Bulk Specific Gravity (Gmb) of Compacted Hot Mix Asphalt (HMA) Using Saturated Surface-Dry Specimens
standard by American Association of State and Highway Transportation Officials, 2021

AASHTO PP 112-21

Standard Practice for Recognizing Surrogate Test Methods
standard by American Association of State and Highway Transportation Officials, 2021

AASHTO TP 119-21

Standard Method of Test for Electrical Resistivity of a Concrete Cylinder Tested in a Uniaxial Resistance Test
standard by American Association of State and Highway Transportation Officials, 2021

AASHTO LRFDBDS-9 Errata

Errata to LRFD Bridge Design Specifications, 9th Edition
Amendment by American Association of State and Highway Transportation Officials, 2021

AASHTO TP 129-21

Standard Method of Test for Vibrating Kelly Ball (VKelly) Penetration in Fresh Portland Cement Concrete
standard by American Association of State and Highway Transportation Officials, 2021

AASHTO PP 113-21

Standard Practice for Characterizing the Relaxation Behavior of Asphalt Binders Using the Delta Tc Parameter
standard by American Association of State and Highway Transportation Officials, 2021

AASHTO TP 112-21

Standard Method of Test for Determining In-Place Density and Moisture Content of Soil and Soil-Aggregate Using Complex Impedance Methodology
standard by American Association of State and Highway Transportation Officials, 2021

AASHTO T 392-21

Standard Method of Test for Determination of Heavy Metal Content of Glass Beads Using X-Ray Fluorescense (XRF)
standard by American Association of State and Highway Transportation Officials, 2021

AASHTO M 85-21

Standard Specification for Portland Cement (ASTM Designation: C150/C150M-21)
standard by American Association of State and Highway Transportation Officials, 2021