ASTM C 109 Compressive Strength of Hydraulic Cement Mortars(6)
时间:2025-04-20
时间:2025-04-20
SUMMARY OF CHANGES
This section identifies the location of changes to this test method that have been incorporated since the last
issue,C109/C109M–01.
(1)Temperatures were revised in7.1.(2)A warning statement was added to1.4,with accompanying
footnote.
ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this ers of this standard are expressly advised that determination of the validity of any such patent rights,and the risk
of 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by the responsible technical committee and must be reviewed everyfive years and if not revised,either reapproved or withdrawn.Your comments are invited either for revision of this standard or for additional standards
and should be addressed to ASTM International Headquarters.Your comments will receive careful consideration at a meeting of the
responsible technical committee,which you may attend.If you feel that your comments have not received a fair hearing you should
make your views known to the ASTM Committee on Standards,at the address shown below.
This standard is copyrighted by ASTM International,100Barr Harbor Drive,PO Box C700,West Conshohocken,PA19428-2959, United States.Individual reprints(single or multiple copies)of this standard may be obtained by contacting ASTM at the above
address or at610-832-9585(phone),610-832-9555(fax),or service@(e-mail);or through the ASTM website
().