ASTM International - ASTM D2936-20

Standard Test Method for Direct Tensile Strength of Intact Rock Core Specimens

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Organization: ASTM International
Publication Date: 1 January 2020
Status: active
Page Count: 5
significance And Use:

5.1 Rock is much weaker in tension than in compression. Thus, in determining the failure condition for a rock structure, many investigators employ the tensile strength of the component rock as the... View More

scope:

1.1 This test method covers the determination of the direct tensile strength of the rock substance or discontinuities normal to the longitudinal axis of intact, isotropic cylindrical rock specimens at room temperature.

1.2 Non-isotropic or even transversely isotropic specimens are not covered by this standard.

1.3 Cylindrical rock specimens can be drill core from the field or rock blocks transported to the laboratory and drill core specimen obtained there.

1.4 Specimen shapes other than cylindrical specimens, such as dog bone-shaped, are not covered by this standard.

1.5 Test specimens may be tested under constant load or deformation rate.

1.6 The values stated in SI units are to be regarded as standard. The values provided in parenthesis are for information only.

1.7 All observed and calculated values shall conform to the guidelines for significant digits and rounding established in Practice D6026 unless superseded by this standard.

1.8 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.

1.9 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.

Document History

ASTM D2936-20
January 1, 2020
Standard Test Method for Direct Tensile Strength of Intact Rock Core Specimens
1.1 This test method covers the determination of the direct tensile strength of the rock substance or discontinuities normal to the longitudinal axis of intact, isotropic cylindrical rock specimens...
July 1, 2008
Standard Test Method for Direct Tensile Strength of Intact Rock Core Specimens (Withdrawn 2017)
1.1 This test method covers the determination of the direct tensile strength of intact cylindrical rock specimens. 1.2 The values stated in SI units are to be regarded as standard. The values...
June 15, 1995
Standard Test Method for Direct Tensile Strength of Intact Rock Core Specimens
1.1 This test method covers the determination of the direct tensile strength of intact cylindrical rock specimens. 1.2 The values stated in SI units are to be regarded as standard. 1.3 This...
June 15, 1995
Standard Test Method for Direct Tensile Strength of Intact Rock Core Specimens
1.1 This test method covers the determination of the direct tensile strength of intact cylindrical rock specimens. 1.2 The values stated in SI units are to be regarded as standard. 1.3 This...
January 1, 1995
Standard Test Method for Direct Tensile Strength of Intact Rock Core Specimens
1.1 This test method covers the determination of the direct tensile strength of intact cylindrical rock specimens. 1.2 The values stated in SI units are to be regarded as standard. 1.3 This...
January 1, 1995
Standard Test Method for Direct Tensile Strength of Intact Rock Core Specimens
1.1 This test method covers the determination of the direct tensile strength of intact cylindrical rock specimens. 1.2 The values stated in SI units are to be regarded as standard. 1.3 This...
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