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ASTM C341/C341M-24

Current Revision

Standard Practice for Preparation and Conditioning of Cast, Drilled, or Sawed Specimens of Hydraulic-Cement Mortar and Concrete Used for Length Change Measurements

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1.1 This practice covers the procedures for the preparation and conditioning of cast, drilled, or sawed specimens of hydraulic-cement mortar and concrete for length change due to causes other than externally applied forces. It can be readily adapted, if desired, to studies of length change involving alternative schedules or environmental treatments.

1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined. The inch-pound units are shown in brackets.

1.3 The text of this standard refers notes and footnotes that provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of this standard.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.Warning—Fresh hydraulic cementitous mixtures are caustic and may cause chemical burns to skin and tissue upon prolonged exposure.2

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


4.1 Measurements of length change permit assessment of the potential for volumetric expansion or contraction of cast, drilled, or sawed specimens of hydraulic-cement mortar, and concrete due to various causes other than externally applied forces and temperature changes. This practice is particularly useful for comparative evaluation of this potential in different mortar or concrete specimens.

SDO ASTM: ASTM International
Document Number C341
Publication Date July 1, 2024
Language en - English
Page Count 5
Revision Level 24
Supercedes
Committee C09.68
Publish Date Document Id Type View
July 1, 2024 C0341_C0341M-24 Revision
Dec. 1, 2018 C0341_C0341M-18 Revision
Dec. 15, 2013 C0341_C0341M-13 Revision
June 1, 2006 C0341_C0341M-06 Revision
May 1, 2005 C0341_C0341M-05 Revision
Dec. 1, 2003 C0341_C0341M-03A Revision
July 10, 2003 C0341_C0341M-03 Revision