AASHTO M 145 : 1991(R2017)
Current
Current
The latest, up-to-date edition.
SPECIFICATION FOR CLASSIFICATION OF SOILS AND SOIL-AGGREGATE MIXTURES FOR HIGHWAY CONSTRUCTION PURPOSES
Available format(s)
Hardcopy , PDF
Language(s)
English
Published date
07-01-2017
This recommended practice describes a procedure for classifying soils into seven groups based on
laboratory determination of particle size distribution, liquid limit, and plasticity index.
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