R 70-2016 PDF

Standard No.: R 70-2016
Release Date: 2016
Published By: AASHTO - American Association of State Highway and Transportation Officials
Latest: R 70-2016

Scope: This standard 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. 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. The values stated in either SI units or inch-pound units are to be regarded separately as the standard. The values stated in each system may not be exact equivalents; therefore@ each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the standard.

R 70-2016 history

2016 R 70-2016 Standard Practice for Use of Apparatus for the Determination of Length Change of Hardened Cement Paste@ Mortar@ and Concrete