ASTM-D4971 › Historical Revision Information
Standard Test Method for Determining the In Situ Modulus of Deformation of Rock Using the Diametrically Loaded 76-mm (3-in.) Borehole Jack
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Scope
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.
Keywords
anisotropy; borehole drilling ;deformation; displacement; jack test; loading tests; modulus of deformation; orientation; pressure testing; rock; ICS Number Code 93.020 (Earth works. Excavations. Foundation construction. Underground works)
To find similar documents by ASTM Volume:
04.08 (Soil and Rock (I): D420 - D5876)
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Document Number
ASTM-D4971-89(1998)
Revision Level
1989 R98 EDITION
Status
Superseded
Modification Type
Reapproval
Publication Date
July 28, 1989
Document Type
Test Method
Page Count
6 pages
Committee Number
D18.12