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A number in parentheses indicates the year of last reapproval. This standard has been approved for use by agencies of the U. Department of Defense. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use. Referenced Documents2. Summary of Test Method4. Significance and Use5. Temperature and Humidity7. Current edition approved Aug.
Published October Originallyapproved in Last previous edition approved in as C— United States Preparation of Specimen Molds9. When placing grout in themold, puddle each layer five times with the gloved finger. Provide at least one test set for each age at which the strengthis to be determined, but not less than two sets.
Puddle each with agloved finger five times to release entrapped air. Fill the moldand puddle again. Bring the excess grout to the center andfinish the surface by cutting off the excess with the straightedge of a trowel held vertically and drawn across the top of themold with a sawing motion.
Storage and Curing Determination of Compressive Strength Precision and Bias Therefore, results of two properlyconducted tests by the same operator on the same sample usingproper equipment should not differ from each other by morethan 4. Approved Aug. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.
This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend.
If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.
ASTM C942 PDF
Taugore Copyright Compu-tecture, Inc. If you like to setup a quick demo, let us know at support madcad. Already Subscribed to this document. Start Webshop Product catalog Product presentation. C Terminology Relating to Hydraulic Cement.