ASTM C568-08a
(Specification)Standard Specification for Limestone Dimension Stone
Standard Specification for Limestone Dimension Stone
ABSTRACT
This specification covers the material characteristics, physical requirements, and sampling method appropriate to the selection of limestone dimension stone for general building and structural purposes. Dimension limestone shall include stone that is sawed, cut, split, or otherwise finished or shaped and shall specifically exclude molded, cast, or otherwise artificially aggregated units of composed fragments, and also crushed and broken stone. The stones shall be classified into three categories (low-density, medium-density, and high-density) according to their densities in approximate ranges. The physical property requirements to which limestone shall adhere to are absorption by weight, density, compressive strength, modulus or rupture, and abrasion resistance.
SCOPE
1.1 This specification covers the material characteristics, physical requirements, and sampling appropriate to the selection of limestone for general building and structural purposes. Refer to Guides C 1242 and C 1528 for the appropriate selection and use of limestone dimension stone.
1.2 Dimension limestone shall include stone that is sawed, cut, split, or otherwise finished or shaped and shall specifically exclude molded, cast, or otherwise artificially aggregated units of composed fragments, and also crushed and broken stone.
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Designation: C568 – 08a
Standard Specification for
1
Limestone Dimension Stone
This standard is issued under the fixed designation C568; 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 (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope 3. Terminology
1.1 This specification covers the material characteristics, 3.1 Definitions—All definitions are in accordance with Ter-
physical requirements, and sampling appropriate to the selec- minology C119.
tion of limestone for general building and structural purposes.
4. Classification
Refer to Guides C1242 and C1528 for the appropriate selection
and use of limestone dimension stone. 4.1 Dimension limestone shall be classified into three cat-
egories, generally descriptive of those limestones having den-
1.2 Dimension limestone shall include stone that is sawed,
cut, split, or otherwise finished or shaped and shall specifically sities in approximate ranges, as follows:
4.1.1 I (Low-Density)—Limestone having a density rang-
exclude molded, cast, or otherwise artificially aggregated units
3 3
of composed fragments, and also crushed and broken stone. ing from 110 through 135 lb/ft (1760 through 2160 kg/m ).
4.1.2 II (Medium-Density)—Limestone having a density
3
2. Referenced Documents
greater than 135 and not greater than 160 lb/ft (2160 through
2 3
2.1 ASTM Standards: 2560 kg/m ).
C97 TestMethodsforAbsorptionandBulkSpecificGravity 4.1.3 III (High-Density)—Limestone having a density
3 3
of Dimension Stone greater than 160 lb/ft (2560 kg/m ).
C99 Test Method for Modulus of Rupture of Dimension
5. Physical Requirements
Stone
5.1 Limestone supplied under this specification shall con-
C119 Terminology Relating to Dimension Stone
C170 Test Method for Compressive Strength of Dimension form to the physical requirements listed in Table 1.
Stone 5.2 Limestone shall be sound, durable, and free of spalls,
cracks, open seams, pits, or other defects that are likely to
C241 Test Method for Abrasion Resistance of Stone Sub-
jected to Foot Traffic impair its structural integrity in its intended use.
5.3 The desired color and texture, with their permissible
C1242 Guide for Selection, Design, and Installation of
Dimension Stone Anchoring Systems natural variations in material characteristics for all material to
be produced for the project, shall be established by control
C1353 Test Method for Abrasion Resistance of Dimension
Stone Subjected to Foot Traffic Using a Rotary Platform, samples. Select representative samples by viewing a sufficient
number of physical samples prior to production that show the
Double-Head Abraser
C1528 Guide for Selection of Dimension Stone for Exterior complete range of variations in color and texture of the
limestone specified.
Use
6. Sampling
1
This specification is under the jurisdiction of ASTM Committee C18 on
6.1 Samples, if required, for testing to determine the char-
Dimension Stone and is the direct responsibility of Subcommittee C18.03 on
acteristics and physical properties shall be representative of the
Material Specifications.
Current edition approved Oct. 1, 2008. Published November 2008. Originally limestone to be used.
approved in 1965 . Last previous edition approved in 2008 as C568 – 08. DOI:
10.1520/C0568-08A.
7. Keywords
2
For referenc
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation:C568–08 Designation: C 568 – 08a
Standard Specification for
1
Limestone Dimension Stone
This standard is issued under the fixed designation C 568; 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 (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope
1.1 This specification covers the material characteristics, physical requirements, and sampling appropriate to the selection of
limestone for general building and structural purposes. Refer to Guides C 1242 and C 1528 for the appropriate selection and use
of limestone dimension stone.
1.2 Dimension limestone shall include stone that is sawed, cut, split, or otherwise finished or shaped and shall specifically
exclude molded, cast, or otherwise artificially aggregated units of composed fragments, and also crushed and broken stone.
2. Referenced Documents
2
2.1 ASTM Standards:
C 97 Test Methods for Absorption and Bulk Specific Gravity of Dimension Stone
C 99 Test Method for Modulus of Rupture of Dimension Stone
C 119 Terminology Relating to Dimension Stone
C 170 Test Method for Compressive Strength of Dimension Stone
C 241 Test Method for Abrasion Resistance of Stone Subjected to Foot Traffic
C 1242 Guide for Selection, Design, and Installation of Dimension Stone Anchoring Systems
C 1353 Test Method Using the Taber Abraser for Abrasion Resistance of Dimension Stone Subjected to Foot Traffic
C 1528 Guide for Selection of Dimension Stone for Exterior Use
3. Terminology
3.1 Definitions—All definitions are in accordance with Terminology C 119.
3.1.1limestone, n—a sedimentary rock composed principally of calcium carbonate (the mineral calcite) or the double carbonate
of calcium and magnesium (the mineral dolomite) or a mixture of the two.
4. Classification
4.1 Dimension limestone shall be classified into three categories, generally descriptive of those limestones having densities in
approximate ranges, as follows:
3 3
4.1.1 I (Low-Density)—Limestone having a density ranging from 110 through 135 lb/ft (1760 through 2160 kg/m ).
3
4.1.2 II (Medium-Density)—Limestone having a density greater than 135 and not greater than 160 lb/ft (2160 through 2560
3
kg/m ).
3 3
4.1.3 III (High-Density)—Limestone having a density greater than 160 lb/ft (2560 kg/m ).
5. Physical Requirements
5.1 Limestone supplied under this specification shall conform to the physical requirements listed in Table 1.
5.2 Limestone shall be sound, durable, and free of spalls, cracks, open seams, pits, or other defects that are likely to impair its
structural integrity in its intended use.
5.3 The desired color and texture, with their permissible natural variations in material characteristics for all material to be
produced for the project, shall be established by control samples. Select representative samples by viewing a sufficient number of
physical samples prior to production that show the complete range of variations in color and texture of the limestone specified.
1
This specification is under the jurisdiction of ASTM Committee C18 on Dimension Stone and is the direct responsibility of Subcommittee C18.03 on Material
Specifications.
Current edition approved Jan.Oct. 1, 2008. Published JanuaryNovember 2008. Originally approved in 1965 . Last previous edition approved in 20032008asC
568–03.568 – 08.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
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C 568 – 08a
TABLE 1 Physical Requirements
NOTE—The values in Table 1 were established using samples prepared according to the individual test methods. Finishes, other than those specified
in the individual test methods, may result in a deviation from established values.
Test Requirements Classification Test Meth-
Physical Property
od(s)
Absorption by weight, max, % 12 I low-density C97
7.5 II medium-density
3 III high-density
3 3
Density, min, lb/ft (kg/m ) 110 (1760) I low-density C97
135 (2160) II medium-density
160 (2560) III high-density
Compressive strength, min, psi (MPa) 1800 (
...
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