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AASHTO R70 – Standard Practice for Use of Apparatus for the Determination of Length Change of Hardened Cement Paste, Mortar, and Concrete


This practice covers the requirements for the apparatus and equipment used to prepare specimens for the determination of length change in hardened cement paste, mortar, and concrete; the apparatus and equipment used for the determination of these length changes; and the procedures for its use.


concrete; hardened cement paste; length change; mortar

AASHTO R70 Accredited Laboratory

Applied Testing & Geosciences, LLC is accredited for performing tests using the AASHTO R70 standard.

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