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ASTM-A1081/A1081M:2021 Edition(Redline)

ASTM-A1081/A1081M:2021 Edition(Redline)

$40.63

A1081/A1081M-21 Standard Test Method for Evaluating Bond of Seven-Wire Steel Prestressing Strand (Redline)

Published By Publication Date Number of Pages
ASTM 2021
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ASTM A1081/A1081M-21

Redline Standard: Standard Test Method for Evaluating Bond of Seven-Wire Steel Prestressing Strand

ASTM A1081/A1081M

Scope

1.1 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.

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

1.3 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 test method.

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.

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.

Keywords

bond test; prestressing steel strand; seven-wire strand;

ICS Code

ICS Number Code 77.140.65 (Steel wire, wir ropes and link chains)

DOI: 10.1520/A1081_A1081M-21

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