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ASTM D5971/D5971M

Standard Practice for Sampling Freshly Mixed Controlled Low-Strength Material

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Organization: ASTM
Publication Date: 1 December 2016
Status: active
Page Count: 3
ICS Code (Test conditions and procedures in general): 19.020
scope:

This practice explains the procedure for obtaining a representative sample of freshly mixed controlled low-strength material (CLSM) as delivered to the project site on which tests are to be performed to determine compliance with quality requirements of the specifications under which the CLSM is furnished (Note 1). This practice includes sampling from revolving-drum truck mixers and from agitating equipment used to transport central-mixed CLSM. This Practice is based on Practice C172 for concrete.

The values stated in either SI units or inch-pound units are to be regarded separately as 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 non-conformance with the standard.

NOTE 1-Composite samples are required by this practice unless specifically excepted by procedures governing the tests to be performed, such as tests to determine uniformity of consistency and mixer efficiency. Procedures used to select the specific test batches are not described in this practice. It is recommended that random sampling be used to determine overall specification compliance.

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 and health practices and determine the applicability of regulatory limitations prior to use. (Warning-Fresh hydraulic cementitious mixtures are caustic and may cause chemical burns to skin and tissue upon prolonged exposure.2)

This practice offers a set of instructions for performing one or more specific operations. This document cannot replace education or experience and should be used in conjunction with professional judgement. Not all aspects of this practice may be applicable in all circumstances. This ASTM standard is not intended to represent or replace the standard of care by which the adequacy of a given professional service must be judged, nor should this document be applied without consideration of a projects many unique aspects. The word "standard" in the title of this document means only that the document has been approved through the ASTM consensus process.

Section on Safety Precautions, Manual of Aggregate and Concrete Testing, Annual Book of ASTM Standards, Vol 04.02.

*A Summary of Changes section appears at the end of this standard

Document History

ASTM D5971/D5971M
December 1, 2016
Standard Practice for Sampling Freshly Mixed Controlled Low-Strength Material
This practice explains the procedure for obtaining a representative sample of freshly mixed controlled low-strength material (CLSM) as delivered to the project site on which tests are to be performed...
August 1, 2013
Standard Practice for Sampling Freshly Mixed Controlled Low-Strength Material
This practice explains the procedure for obtaining a representative sample of freshly mixed controlled low-strength material (CLSM) as delivered to the project site on which tests are to be performed...
November 1, 2007
Standard Practice for Sampling Freshly Mixed Controlled Low-Strength Material
This practice explains the procedure for obtaining a representative sample of freshly mixed controlled low-strength material (CLSM) as delivered to the project site on which tests are to be performed...
November 10, 2001
Standard Practice for Sampling Freshly Mixed Controlled Low-Strength Material
This practice explains the procedure for obtaining a representative sample to test of freshly mixed controlled lowstrength material (CLSM) as delivered to the project site (Note 1). This practice...
May 24, 1996
Standard Practice for Sampling Freshly Mixed Controlled Low-Strength Material
1. Scope 1.1 This practice explains the procedure for obtaining a representative sample to test of freshly mixed controlled lowstrength material (CLSM) as delivered to the project site (Note 1). This...

References

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