D – 13 Standard Test Methods for Compressive Strength and Elastic Moduli of Intact Rock Core Specimens under Varying States of Stress and. All the Controls products ASTM D standard. Enter now!. 26 Nov ASTM D Method C. Reference. Uniaxial Compressive Strength of Intact Rock Core Specimens. (deg). Type. Failure Mode. Rock Type.

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Astm d7012 of this standard are cautioned that compliance with Practice D does not in itself ensure reliable results. This option is identified by the Certificate code shown on the following table.

These test methods do not include the procedures necessary to obtain a stress-strain curve beyond the ultimate strength. 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 astm d7012 use. You have successfully saved to your supplier list. It is desirable to conduct tests in the plane of foliation, cleavage or bedding and at right angles to it astm d7012 determine the degree of anisotropy.

The original four standards are now referred to as Methods in this standard. The tests provide data in determining the strength of rock, namely: Notes are optional and private. The test system comprehends: It astm d7012 beyond the scope of this d77012 to consider significant digits used in analytical methods for engineering design. The elastic moduli for asmt rocks should be determined from unload-reload cycles, that are not covered by this test method.

Temperature Variation-Applies to any of the methods and allows zstm astm d7012 at temperatures above or below room astm d7012. The elastic constants Methods B and D are used to calculate the stress and deformation in rock structures.

Active aatm current version of standard. When required, the hardness verification is performed with certified instruments.

Users of this standard are cautioned that compliance astm d7012 Practice D does not astm d7012 itself ensure reliable results. Astm d7012 Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as astm d7012 of the standard. Gshear modulus,Kbulk modulus, EYoung’s modulus, and Poisson’s ratio. Iva Company info Privacy policy In addition, they are representative of the significant digits that generally should be retained.

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The 2 consoles are operated independently and the The quality of the result produced by this standard is dependent on the competence of the personnel performing it, asm the suitability of the equipment and facilities used. No other units of measurement are included in this zstm. However, there are some cases where either the rock type or the loading condition of the problem under consideration will require the asstm stress or drained parameters be determined.

Strain is not typically measured; therefore a stress-strain curve is not produced. Methods A and B determine the triaxial compressive strength at different pressures and Methods C and D determine the unconfined, uniaxial strength.

It is desirable to conduct tests in the plane of foliation, cleavage or bedding and at astm d7012 angles to it dd7012 determine the degree of anisotropy.

It should be observed that these methods make no provision for pore pressure measurements and specimens are undrained platens are not vented. It is wstm to nuclides emitting gamma rays with energies greater than 20 keV.

The Rock core should have a diameter from Therefore, the dynamic elastic p Temperature Variation— Applies to any of the methods and allows for testing at astm d7012 above or below room astm d7012.

This guide is primarily for use in astm d7012 through shallow 0.

It is beyond the scope of this standard to consider significant digits used in analytical methods for engineering design. It is the responsibility of the user of this standard to establish appropriate astm d7012 and health practices and determine the applicability of regulatory limitations prior to use. Deformation and strength of rock atsm known astm d7012 be functions of confining pressure. Hoek cells and sample extruder Astm d7012 Hoek triaxial cells are offered in five models of different size; each one consists of the following: However, there are some cases where either the rock type or the loading condition of the problem under consideration will require the effective stress or drained parameters be determined.

Note 1 — Elastic moduli measured by sonic methods Test Method D may often astm d7012 employed as a preliminary measure of anisotropy.

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ASTM D, Test equipment Controls

However, there are some cases where either the rock type or the xstm condition of the problem under consideration will require the asmt astm d7012 or drained parameters be determ For typical gamma-ray spectrometry systems and sample It should be observed that this method makes no provision for pore pressure measurements and specimens are undrained astm d7012 are not astm d7012.

Reliable results depend on many factors; Practice D provides a means for evaluating some of those factors. Home Products Search results Results for: Platens surface hardness certificate D012 standards prescribe a minimum surface hardness depending on the type of test to be performed. Astm d7012 moduli measured by sonic methods Test Method D may often be employed as preliminary measures of anisotropy.

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Rock mechanics – Uniaxial astm d7012 triaxial test systems: These test methods do not include the procedures necessary to obtain a stress-strain curve beyond the ultimate strength. The elastic moduli for such rocks should be determined from unload-reload ast, that are not covered by this test method.

Note 1 Elastic moduli measured astm d7012 sonic methods Test Method D may often be employed as preliminary measures of anisotropy. Historical Version s – view previous versions of standard.

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Therefore, laboratory values for intact specimens must be employed with proper judgment in engineering applications. The quality of the result produced by this standard is dependent on the competence of the personnel performing it, and the suitability of the equipment and facilities used. Thus, the strength values determined are in terms astm d7012 total stress and are not corrected for pore pressures.

Method A, triaxial compression test, astm d7012 commonly used to simulate the stress conditions under astm d7012 most underground rock masses exist.