Standard: ASTM A1081/A1081M

STANDARD TEST METHOD FOR EVALUATING BOND OF SEVEN-WIRE STEEL PRESTRESSING STRAND

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Scope:

This test method describes procedures for determining the bond of seven-wire steel prestressing strand. The bond determined by this test method is stated as the tensile force required to pull the strand through the cured mortar in a cylindrical steel casing. The result of the test is the tensile force measured on the loaded-end of the strand corresponding to a movement of 0.1 in. [2.5 mm] at the free-end of the strand.

This test method is applicable either in inch-pound units (as Specification A1081) or SI units (as Specification A1081M).

The values stated in either inch-pound units or in SI units are to be regarded separately as standard. Within the text, SI units are shown in brackets. 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 specification.

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.

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

 

Organization: ASTM International
Document Number: astm a1081/a1081m
Publish Date: 2015-11-01
Page Count: 5
Change Type: COMPLETE REVISION
Available Languages: EN
DOD Adopted: NO
ANSI Approved: NO
Most Recent Revision: YES
Current Version: YES
Status: Active

Document History

Document # Change Type Update Date Revision Status
ASTM A1081/A1081M Change Type: STCH Update Date: 2012-11-15 Revision: 12 Status: INAC

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