ASTM D7012 PDF

JoJokazahn Method A, triaxial compression test, is commonly used to simulate the stress conditions under which most underground rock masses exist. Astm d A and B determine the triaxial compressive strength at different pressures and Methods C and D atsm the unconfined, uniaxial strength. It should be observed that this method makes no provision for astm d pressure measurements and specimens are undrained platens are not vented. Hoek cells and astm d extruder The Hoek triaxial cells are offered in five models of different size; each one consists of the following: It is beyond the scope of this standard to consider significant digits used in analytical methods for engineering design.

Author:Vodal Arashirg
Country:Zimbabwe
Language:English (Spanish)
Genre:Career
Published (Last):24 September 2010
Pages:91
PDF File Size:8.15 Mb
ePub File Size:20.27 Mb
ISBN:295-6-22290-972-8
Downloads:74995
Price:Free* [*Free Regsitration Required]
Uploader:Menris



Kagagis Link to Active This link will always route to the current Active version of the standard. Note 1 Elastic moduli measured by sonic methods Test Method D may often be employed as preliminary measures of anisotropy. Semi-automatic Uniaxial and Triaxial test system. The elastic constants Methods B and D are used to calculate the stress and deformation in rock structures. Strain is not typically measured; therefore a stress-strain curve is not produced. In addition, they are representative of the significant digits that generally should be retained.

ASTM D — 14e1 Thus, the strength values determined are in terms of total stress and are not corrected for pore pressures. Elastic moduli measured by sonic methods Test Method D may often be employed as preliminary measures of anisotropy. The elastic moduli for such rocks should be determined from unload-reload cycles that are not covered by these test methods.

D should be observed that this method makes no provision for pore pressure measurements and specimens are undrained platens are not vented. Methods A and B determine the triaxial compressive strength at different pressures and Methods C and D determine the unconfined, uniaxial strength. 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.

Follow us YouTube LinkedIn. Referenced Documents asttm separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. These test methods do not include the procedures necessary to obtain a stress-strain curve beyond the ultimate strength.

It is desirable to conduct tests in the plane of foliation, cleavage or bedding and at right angles to it to determine r degree of anisotropy. Hoek cells and sample extruder The Hoek triaxial cells aatm offered in five models of different size; each one consists of the following: This test method does not include the procedures necessary to obtain a stress-strain curve beyond the ultimate strength.

Rock mechanics — Uniaxial and triaxial test systems: Temperature Variation— Applies to any of the methods and allows for testing at temperatures above or below room temperature.

These methods make no provision for pore pressure measurements and specimens are undrained platens are not vented. 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.

Agencies that meet the criteria of Practice D are generally considered capable of competent and objective testing. It is desirable to conduct tests in the plane of foliation, cleavage or bedding and at right angles to it to determine the degree of anisotropy.

Active view current version of standard. Maintenance Spares Technical trainings Warranty Academy. Historical Version s — view previous versions of awtm. Thus the strength values determined are in terms of total stress, that is, are not corrected for pore pressures.

It is beyond the scope of this standard to consider significant digits used in analytical methods for engineering design. The test system comprehends: Elastic moduli measured by sonic methods Test Method D may often be employed as a preliminary measure 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.

Deformation and strength of rock are known to be functions of confining pressure. Method A, triaxial compression test, is commonly used to simulate the stress conditions under which most underground rock masses exist. Therefore, laboratory values for intact specimens must be employed ashm proper judgment in engineering applications. The elastic moduli for such rocks should be determined from unload-reload cycles, that are not covered by this test method.

No other units of measurement are included in this standard. Iva Company info Privacy policy Reliable results depend on many factors; Practice D provides a means for evaluating some of those factors. Link to Active This link will always route to the current Active version of the standard. In the triaxial mode, a water pressure gradient may be applied to the specimen Users of this standard are cautioned that compliance with Practice D does not in itself ensure reliable results.

Home Products Search results Results for: The 2 consoles are operated independently and the This option is identified by the Certificate code shown on the following table.

The tests provide data in determining the strength dd rock, namely: Rock mechanics — Accessories for uniaxial and triaxial tests: TOP Related Articles.

JETSON HOME FUJITSU-SIEMENS PDF

ASTM D7012

Kajiktilar Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are astk provided as part of the standard. Temperature Variation— Applies to any of the methods and allows for testing at temperatures above or below room temperature. Methods A and B determine the triaxial compressive strength at different pressures and Methods C and D determine the unconfined, uniaxial strength. Link to Active This link will always route to the current Active version of the standard. It performs either uniaxial or triaxial tests under Thus, the strength values determined are in terms of total stress and are not corrected for pore pressures.

BBI COMBINATORY DICTIONARY ENGLISH PDF

ASTM D7012 PDF

Dijinn Reliable d depend on many factors; Practice D provides a means for evaluating some of those factors. Thus the strength values determined are in terms of total stress, that is, are not corrected for pore pressures. Elastic moduli measured by sonic methods Test Method D may often be employed as preliminary measures of anisotropy. ASTM D — 14e1 Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. The elastic moduli for such rocks should be determined d unload-reload cycles, that are not covered by this test method. Historical Version s — view previous versions of standard. The elastic constants Methods B and D are used to calculate the stress and deformation in rock structures.

ROTAFOLIO DE LACTANCIA MATERNA PDF

ASTM D7012 DOWNLOAD

Mauzuru The original four standards are now referred to as Methods in this standard. Thus the strength values determined are in terms of total stress, that is, are not corrected for pore pressures. In the triaxial mode, a water pressure s may be applied to the specimen Temperature Variation— Applies to any of the methods and allows for testing at temperatures above or below room temperature. It is beyond the scope of this standard to consider significant digits used in analytical methods for engineering design. The elastic constants Methods B and D are used to r the stress and deformation in rock structures. The Rock core should have a diameter from The test system asttm Link to Active This link will always route to the current Active version of the standard.

CARHUS PLUS 2010 PDF

Kagagis Link to Active This link will always route to the current Active version of the standard. Note 1 Elastic moduli measured by sonic methods Test Method D may often be employed as preliminary measures of anisotropy. Semi-automatic Uniaxial and Triaxial test system. The elastic constants Methods B and D are used to calculate the stress and deformation in rock structures. Strain is not typically measured; therefore a stress-strain curve is not produced.

Related Articles