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ASTM D4971-89(1998)

Historical Reaffirmation

Standard Test Method for Determining In Situ Modulus of Deformation of Rock Using Diametrically Loaded 76-mm (3-in.) Borehole Jack (Withdrawn 2025)

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1.1 This test method covers the estimation of in situ modulus of a rock mass at various depths and orientations. Information on time-dependent deformation may also be obtained.

1.2 The values stated in SI units are regarded as standard. The inch-pound units in parentheses are for information only.

1.3 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety problems 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 D4971
Publication Date Dec. 10, 1998
Language en - English
Page Count 6
Revision Level 89(1998)
Supercedes
Committee D18.12
Publish Date Document Id Type View
Dec. 1, 2016 D4971-16 Revision
July 1, 2008 D4971-08 Revision
Nov. 10, 2002 D4971-02 Revision
May 1, 2006 D4971-02R06 Reaffirmation
Dec. 10, 1998 D4971-89R98 Reaffirmation