• Shopping Cart
    There are no items in your cart

AASHTO R 13:2022(R2026)

Current

Current

The latest, up-to-date edition.

Conducting Geotechnical Subsurface Investigations

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

10-08-2026

This standard practice identifies recognized methods by which soil, rock, and groundwater conditions may be determined.

DocumentType
Standard
Pages
26
ProductNote
This record is editorially revised in 2026
PublisherName
American Association of State Highway and Transportation Officials
Status
Current
Supersedes

AASHTO T 90:2022(R2026) Standard Method of Test for Determining the Plastic Limit and Plasticity Index of Soils
AASHTO R 135M/R 135:2026 Standard Practice for Thin-Walled Tube Sampling of Fine-Grained Soils