ASTM C1526-2008 Standard Specification for Serpentine Dimension Stone《蛇纹岩规格石料标》.pdf

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1、Designation: C 1526 08Standard Specification forSerpentine Dimension Stone1This standard is issued under the fixed designation C 1526; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in parenthes

2、es indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers the material characteristics,physical requirements, and sampling appropriate for the selec-tion of serpentine (serpentine marbl

3、e) for general building andstructural purposes. Refer to Guides C 1242 and C 1528 for theappropriate selection and use of serpentine dimension stone.1.2 Dimension serpentine shall include stone that is sawed,cut, split, or otherwise finished or shaped and shall specificallyexclude molded, cast, or o

4、therwise artificially aggregated unitscomposed of fragments, and also crushed and broken stone.2. Referenced Documents2.1 ASTM Standards:2C97 Test Methods for Absorption and Bulk Specific Grav-ity of Dimension StoneC99 Test Method for Modulus of Rupture of DimensionStoneC119 Terminology Relating to

5、Dimension StoneC 170 Test Method for Compressive Strength of DimensionStoneC 241 Test Method for Abrasion Resistance of Stone Sub-jected to Foot TrafficC 880 Test Method for Flexural Strength of DimensionStoneC 1242 Guide for Selection, Design, and Installation ofDimension Stone Anchoring SystemsC 1

6、353 Test Method Using the Taber Abraser for AbrasionResistance of Dimension Stone Subjected to Foot TrafficC 1528 Guide for Selection of Dimension Stone for Exte-rior Use3. Terminology3.1 DefinitionsAll definitions are in accordance with Ter-minology C119.4. Physical Properties4.1 Serpentine supplie

7、d under this specification shall con-form to the physical requirements prescribed in Table 1.4.2 Serpentine shall be free of minerals that may causeobjectionable staining under normal environments of use.4.3 Warping of serpentine due to localized water absorptionis a natural characteristic of the ma

8、terial and shall be taken intoaccount in assessing the permissible natural variations suitablefor a particular application. Setting serpentine with a non-water-based setting material in a full-coverage setting bed overa rigid substrate can prevent warping from occurring afterinstallation.4.4 Alterat

9、ion of the color and finish of serpentine withexposure to the weather can occur and shall be taken intoaccount in assessing the suitability of serpentine for a particularapplication. Alteration of serpentine, due to weather exposure,can result in whitish mineral deposits on the surface of thestone a

10、nd can also result in a faded appearance and loss ofpolish.4.5 The desired color and texture, with their permissiblenatural variations in material characteristics for material to beproduced for the project, shall be established by controlsamples. Representative samples shall be selected prior toprod

11、uction by viewing a sufficient number of samples thatshow the complete range of variations in color and texture ofthe serpentine specified.5. Sampling5.1 Samples, if required, for testing to determine the char-acteristics and physical properties shall be representative of theserpentine to be used.6.

12、 Keywords6.1 serpentine; serpentine marble1This specification is under the jurisdiction of ASTM Committee C18 onDimension Stone and is the direct responsibility of Subcommittee C18.03 onMaterial Specifications.Current edition approved Jan. 1, 2008. Published January 2008. Originallyapproved in 2002.

13、 Last previous edition approved in 2003 as C 1526 03.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.1Copyrig

14、ht ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised th

15、at determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reappr

16、oved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you f

17、eel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual re

18、prints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).TABLE 1 Physical RequirementsNOTEThe values in Table 1 were established us

19、ing samples preparedaccording to the individual test methods. Finishes, other than thosespecified in the individual test methods, may result in a deviation fromestablished values.Physical PropertyTestRequirementsClassi-ficationsTestMethodsAbsorption by weight, max, % 0.200.60I ExteriorII InteriorC97

20、Density, min, lb/ft3(kg/m3) 160 (2560) I, II C97Compressive strength, min, psi (MPa) 10000 (69) I, II C 170Modulus of rupture, min, psi (MPa) 1000 (6.9) I, II C99Abrasion resistance, min, HaA,B,C10 I, II C 241/C 1353Flexural strength, min, psi (MPa) 1000 (6.9) I, II C 880APertains to foot traffic on

21、ly. Where two or more stone varieties are combinedfor color and design effects, there should be no greater difference than five pointsin abrasion resistance.BThe supplier of the No. 60 Alundum abrasive, Norton, has indicated that theformula for Norton treatment 138S has been changed. The new abrasiv

22、e iscurrently more aggressive, resulting in lower abrasion resistance values (Ha) thanwhen the standard was initially established. As such, care should be taken wheninterpreting Havalues from tests using the new abrasive, particularly with regard tocurrent ASTM stone standard specification requirements for abrasion resistance,which were developed when the original abrasive was still in use.CIt is not necessary to perform both tests. Availability of the proper equipmentand materials by the testing laboratory may determine which test is performed.C1526082