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AASHTO R 70M/R 70-18
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AASHTO R 70M/R 70-18 Standard Specification for Use of Apparatus for the Determination of Length Change of Hardened Cement Paste, Mortar, and Concrete [ASTM Designation: C490/C490M-17]
standard by American Association of State and Highway Transportation Officials, 2018
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AASHTO R 70M/R 70-18 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.Methods for the preparation and curing of test specimens, conditions of testing and curing, and detailed procedures for calculating and reporting test results are contained in applicable test methods.
This standard was formerly designated as M 210M/M 210.