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ASTM D4436-04

Current Reaffirmation

Standard Test Method for Rock Bolt Long-Term Load Retention Test (Withdrawn 2022)

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1.1 The objective of this test method is to determine the time over which rock bolt tension decreases from the installed value to a designated minimum value.

1.2 This test method is applicable to any anchor system which is not fully encapsulated immediately upon installation, including mechanical, cement grout, resin (epoxy, polyester, and the like) or other similar systems.

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

1.4 All observed and calculated values shall conform to the guidelines for significant digits and rounding established in Practice D 6026.

1.4.1 The method used to specify how data are collected, calculated, or recorded in this standard is not directly related to the accuracy to which the data can be applied in design or other uses, or both. How one applies the results obtained using this standard is beyond its scope.

1.5 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.


SDO ASTM: ASTM International
Document Number D4436
Publication Date July 1, 2004
Language en - English
Page Count 5
Revision Level 04
Supercedes
Committee D18.12
Publish Date Document Id Type View
Nov. 1, 2013 D4436-13E01 Revision
Nov. 1, 2013 D4436-13 Revision
July 1, 2008 D4436-08 Revision
July 1, 2004 D4436-04 Reaffirmation
Dec. 10, 1998 D4436-84R98 Reaffirmation