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ASTM D4543-01

(Practice)

Standard Practices for Preparing Rock Core Specimens and Determining Dimensional and Shape Tolerances

Standard Practices for Preparing Rock Core Specimens and Determining Dimensional and Shape Tolerances

SCOPE
1.1 This practice specifies procedures for determining the length and diameter of rock core specimens and the conformance of the dimensions with established standards.
1.2 Rock is a complex engineering material which can vary greatly as a function of lithology, stress history, weathering, and other natural geologic processes. As such, it is not always possible to obtain or prepare rock core specimens which satisfy the desirable criteria given in this practice. Most commonly, this situation presents itself with weaker, more porous, and poorly cemented rock types and rock types containing significant structural features. For these and other rock types which are difficult to prepare, all reasonable efforts shall be made to prepare a sample in accordance with this practice. However, when it has been determined by trial that this is not possible, prepare the rock specimen to the highest standard practicable and consider this to be the best effort and report it as such, with all appropriate size and dimensional measurements reported as in Section 6.
1.3 This practice also prescribes tolerance checks on the straightness of the elements on the cylindrical surface, the flatness of the end bearing surfaces, and the perpendicularity of the end surfaces with the axis of the core.
1.4 The requirement for specifying the moisture condition of the test specimen at the time of the test is also stated.
1.5 The values stated in inch-pound units are to be regarded as the standard. The SI units given in parentheses are for information only.
1.6 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 and health practices and determine the applicability of regulatory limitations prior to use.
1.7 This practice offers a set of instructions for performing one or more specific operations. This document cannot replace education or experience and should be used in conjunction with professional judgement. Not all aspects of this practice may be applicable in all circumstances. This ASTM standard is not intended to represent or replace the standard of care by which the adequacy of a given professional service must be judged, nor should this document be applied without consideration of a project's many unique aspects. The word "standard" in the title of this document means only that the document has been approved through the ASTM consensus process.

General Information

Status
Historical
Publication Date
09-Jun-2001
ICS
73.080 - Non-metalliferous minerals
Technical Committee
D18 - Soil and Rock
Drafting Committee
D18.12 - Rock Mechanics
Current Stage
Ref Project

Relations

Replaces
ASTM D4543-85(1991)e1 - Standard Practices for Preparing Rock Core Specimens and Determining Dimensional and Shape Tolerances
Effective Date
10-Jun-2001
Replaced By
ASTM D4543-04 - Standard Practices for Preparing Rock Core Specimens and Determining Dimensional and Shape Tolerances
Effective Date
01-Jul-2004
Referred By
ASTM D7070-16 - Standard Test Methods for Creep of Rock Core Under Constant Stress and Temperature
Effective Date
10-Jun-2001
Referred By
ASTM C170/C170M-17 - Standard Test Method for Compressive Strength of Dimension Stone
Effective Date
10-Jun-2001
Referred By
ASTM D2936-20 - Standard Test Method for Direct Tensile Strength of Intact Rock Core Specimens
Effective Date
10-Jun-2001
Referred By
ASTM D7012-23 - Standard Test Methods for Compressive Strength and Elastic Moduli of Intact Rock Core Specimens under Varying States of Stress and Temperatures
Effective Date
10-Jun-2001

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ASTM D4543-01 - Standard Practices for Preparing Rock Core Specimens and Determining Dimensional and Shape TolerancesASTM D4543-01 - Standard Practices for Preparing Rock Core Specimens and Determining Dimensional and Shape Tolerances
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ASTM D4543-01 - Standard Practices for Preparing Rock Core Specimens and Determining Dimensional and Shape Tolerances
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: D 4543 – 01
Standard Practices for
Preparing Rock Core Specimens and Determining
1
Dimensional and Shape Tolerances
This standard is issued under the fixed designation D 4543; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope not intended to represent or replace the standard of care by
which the adequacy of a given professional service must be
1.1 This practice specifies procedures for determining the
judged, nor should this document be applied without consid-
length and diameter of rock core specimens and the conform-
eration of a project’s many unique aspects. The word “stan-
ance of the dimensions with established standards.
dard” in the title of this document means only that the
1.2 Rock is a complex engineering material which can vary
document has been approved through the ASTM consensus
greatly as a function of lithology, stress history, weathering,
process.
and other natural geologic processes. As such, it is not always
possible to obtain or prepare rock core specimens which satisfy
2. Referenced Documents
the desirable criteria given in this practice. Most commonly,
2.1 ASTM Standards:
this situation presents itself with weaker, more porous, and
C 617 Practice for Capping Cylindrical Concrete Speci-
poorly cemented rock types and rock types containing signifi-
2
mens
cant structural features. For these and other rock types which
D 2113 Practice for Rock Core Drilling and Sampling of
are difficult to prepare, all reasonable efforts shall be made to
3
Rock for Site Investigation
prepare a sample in accordance with this practice. However,
D 2216 Test Method for Laboratory Determination of Water
when it has been determined by trial that this is not possible,
3
(Moisture) Content of Soil and Rock by Mass
prepare the rock specimen to the highest standard practicable
D 2664 Test Method for Triaxial Compressive Strength of
and consider this to be the best effort and report it as such, with
Undrained Rock Core Specimens without Pore Pressure
all appropriate size and dimensional measurements reported as
3
Measurements
in Section 6.
D 2936 Test Method for Direct Tensile Strength of Intact
1.3 This practice also prescribes tolerance checks on the
3
Rock Core Specimens
straightness of the elements on the cylindrical surface, the
D 2938 Test Method for Unconfined Compressive Strength
flatness of the end bearing surfaces, and the perpendicularity of
3
of Intact Rock Core Specimens
the end surfaces with the axis of the core.
D 3148 Test Method for Elastic Moduli of Intact Rock Core
1.4 The requirement for specifying the moisture condition
3
Specimens in Uniaxial Compression
of the test specimen at the time of the test is also stated.
D 3740 Practice for Minimum Requirements for Agencies
1.5 The values stated in inch-pound units are to be regarded
Engaged in the Testing and/or Inspection of Soil and Rock
as the standard. The SI units given in parentheses are for
as Used in Engineering Design and Construction
information only.
D 4341 Test Method for Creep of Cylindrical Hard Rock
1.6 This standard does not purport to address all of the
3
Core Specimens in Uniaxial Compression
safety concerns, if any, associated with its use. It is the
D 4405 Test Method for Creep of Cylindrical Soft Rock
responsibility of the user of this standard to establish appro-
3
Core Specimens in Uniaxial Compression
priate safety and health practices and determine the applica-
D 4406 Test Method for Creep of Cylindrical Rock Core
bility of regulatory limitations prior to use.
3
Specimens in Triaxial Compression
1.7 This practice offers a set of instructions for performing
one or more specific operations. This document cannot replace
3. Significance and Use
education or experience and should be used in conjunction
3.1 The dimensional, shape, and surface tolerances of rock
with professional judgement. Not all aspects of this practice
core specimens are important for determining rock properties
may be applicable in all circumstances. This ASTM standard is
of intact specimens. Dimensional and surface tolerance checks
are required in the test methods listed in 2.1. To simplify test
1
This practice is under the jurisdiction of ASTM Committee D18 on Soil and
Rock and is the direct responsibility of Subcommittee D18.12 on Rock Mechanics.
2
Current edition approved June 10, 2001. Published November 2001. Originally Annual Book of ASTM Standards, Vol 04.02.
3
published as D 4543–85. Last previous edition D 4543–85 (Reapproved 1991). Annual Book of ASTM Standards, Vol 04.08.
Copyright © ASTM International, 100 Barr Harbor Drive, P
...

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