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    ASTM C163-2005(2016) Standard Practice for Mixing Thermal Insulating Cement Samples《混合绝热水泥试样的标准实施规程》.pdf

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    ASTM C163-2005(2016) Standard Practice for Mixing Thermal Insulating Cement Samples《混合绝热水泥试样的标准实施规程》.pdf

    1、Designation: C163 05 (Reapproved 2016)Standard Practice forMixing Thermal Insulating Cement Samples1This standard is issued under the fixed designation C163; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision

    2、. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This practice covers mixing thermal insulating cementsamples with water in the preparation of specimens for use inall tests on the

    3、cement.1.2 The values stated in inch-pound units are to be regardedas standard. The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.3 This standard does not purport to address all of thesafety concerns, if an

    4、y, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2C168 Terminology Relating to Thermal Insulation3.

    5、Terminology3.1 Definitions:Terminology C168 shall be considered asapplying to the terms used in this practice.4. Significance and Use4.1 Insulating cement must be mixed with water and moldedto prepare for testing.5. Apparatus5.1 Mixing Surface or Pan, nonabsorbent and corrosion-resistant surface or

    6、shallow pan approximately 3 ft (0.9 m)square.5.2 Trowels, 16-in. (about 400-mm) rectangular plastererstrowel, and a 9-in. (about 230-mm) pointed trowel.5.3 Scales, accurate to within 0.5 oz (14.1 g) with aminimum capacity of 15 lb (about 6.8 kg).5.4 Water Container, suitable for holding approximatel

    7、y 2gal (about 8 L) of water.5.5 Mold, constructed of either wood or metal.6. Mixing Water6.1 The mixing water shall be equal in quality to that usedfor domestic purposes. Its temperature shall be between 70 and75F (21 and 24C). The quantity used shall be that whichgives the consistency as recommende

    8、d by the manufacturer.7. Procedure7.1 Test at least one specimen from each lot of cementunless otherwise agreed upon between user and supplier or asshown otherwise in a material specification.7.2 Weigh the specimen (at least 3 lb (1.4 kg) of dry cementand place it on a smooth, nonabsorbent, and corr

    9、osion-resistantsurface.7.3 Form a crater in the center of the dry cement. Pour themixing water slowly into the crater and determine the weightused.7.4 Fold the material on the outer edge into the crater bymeans of the rectangular trowel.7.5 After the water has been in contact with the cement forthe

    10、period of time recommended by the manufacturer, mixrapidly with the rectangular trowel until the entire batch is ofuniform consistency.7.6 Mold the cement specimen immediately after mixing orthe time frame recommended by the manufacturer.8. Preparation of Dried Specimens for Later Tests8.1 Cover a p

    11、iece of flat, heavy-gage metal with wax paper.Place a flat mold 2 in. (51 mm) deep on the covered metalplate.8.2 Using the rectangular trowel, place the wet mixedcement in the mold and trowel it sufficiently to ensure a solid,uniform block with a minimum of voids. Finish by trowelingthe top of the c

    12、ement flush with the mold. Use the pointedtrowel to pack small quantities of cement that are inaccessibleto the large rectangular trowel.1This practice is under the jurisdiction of ASTM Committee C16 on ThermalInsulation and is the direct responsibility of Subcommittee C16.31 on Chemical andPhysical

    13、 Properties.Current edition approved Sept. 1, 2016. Published September 2016. Originallyapproved 1964. Last previous edition approved in 2010 as C163 05 (2010). DOI:10.1520/C0163-05R16.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceast

    14、m.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States18.3 Allow the filled mold to remain at room temperature for24

    15、h.8.4 Remove the mold. Place the wet molded block andsupporting metal plates in a vented oven maintained at atemperature between 215 and 250F (102 and 121C). Dry toconstant weight.8.5 Cut the dry molded block to the desired dimensionsusing a band saw, high-speed abrasive wheel, or other suitablemean

    16、s that will not subject the block to damaging stresses.Remove a minimum of material from the top to obtain asmooth, flat surface, and any excess material from the bottomof the molded sample to produce the final thickness desired.9. Keywords9.1 thermal insulating cementASTM International takes no pos

    17、ition respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibil

    18、ity.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 reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to AS

    19、TM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address

    20、 shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (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). Permission rights to photocopy the standard may also be secured from the Copyright Clearance Center, 222Rosewood Drive, Danvers, MA 01923, Tel: (978) 646-2600; http:/ 05 (2016)2


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