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ASTM C157/C157M-99

Historical Revision

Standard Test Method for Length Change of Hardened Hydraulic-Cement Mortar and Concrete

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1.1 This test method covers determination of the length changes of hardened hydraulic-cement mortar and concrete due to causes other than externally applied forces and temperature changes.

1.2 The term "length change," as used here, is defined as an increase or decrease in a linear dimension of a test specimen which has been caused to change by any factor other than externally applied forces and temperature changes.

1.3 The values stated in inch-pound units are to be regarded as the standard.

1.4 This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


SDO ASTM: ASTM International
Document Number C157
Publication Date July 10, 1999
Language en - English
Page Count 7
Revision Level 99
Supercedes
Committee C09.68
Publish Date Document Id Type View
July 1, 2024 C0157_C0157M-24E01 Revision
July 1, 2024 C0157_C0157M-24 Revision
Aug. 15, 2017 C0157_C0157M-17 Revision
Oct. 1, 2008 C0157_C0157M-08E01 Revision
Oct. 1, 2008 C0157_C0157M-08 Revision
June 1, 2006 C0157_C0157M-06 Revision
June 1, 2004 C0157_C0157M-04 Revision
June 10, 2003 C0157_C0157M-03 Revision
July 10, 1999 C0157_C0157M-99 Revision
Oct. 1, 2014 C0157_C0157M-08R14E01 Reaffirmation