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ASTM_C_34_-_17.pdf

1、Designation:C3417Standard Specification forStructural Clay Loadbearing Wall Tile1This standard is issued under the fixed designation C34;the number immediately following the designation indicates the year of originaladoption or,in the case of revision,the year of last revision.Anumber in parentheses

2、 indicates the year of last reapproval.Asuperscriptepsilon()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope*1.1 This specification covers structural clay loadbearingwall tile.1.2 The prop

3、erty requirements of this specification apply atthe time of purchase.The use of results from testing of tileextracted from masonry structures for determining confor-mance or non-conformance to the property requirements(Sec-tion 5)of this standard is beyond the scope of this specification.1.3 Tile co

4、vered by this specification are manufactured fromclay,shale,or similar naturally occurring substances andsubjected to a heat treatment at elevated temperatures(firing).The heat treatment must develop sufficient fired bond betweenthe particulate constituents to provide the strength and dura-bility re

5、quirements of this specification.(See firing and firedbond in Terminology C1232.)1.4 The text of this specification references notes andfootnotes which provide explanatory material.These notes andfootnotes(excluding those in tables and figures)shall not beconsidered as requirements of the standard.1

6、.5 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.1.6 This international standard was developed in accor-dance with internationally recog

7、nized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2C67 Test Methods for Samp

8、ling and Testing Brick andStructural Clay TileC216 Specification for Facing Brick(Solid Masonry UnitsMade from Clay or Shale)C1232 Terminology of Masonry3.Terminology3.1 DefinitionsFor definitions relating to structural clayloadbearing wall tile,refer to Terminology C1232.4.Classification4.1 Two gra

9、des of tile are covered,as follows:4.1.1 Grade LBXSuitable for general use in masonryconstruction and adapted for use in masonry exposed toweathering,provided they meet the durability requirements forGrade SW of Specification C216.4.1.2 Grade LBSuitable for general use in masonry wherenot exposed to

10、 frost action,or for use in exposed masonrywhere protected with a facing of 3 in.(76.2 mm)or more ofstone,brick,terra cotta,or other masonry.4.1.3 If tile having a particular color,texture,or finish aredesired,these features shall be specified separately by thepurchaser.NOTE1Color of tile varies wit

11、h the type of clay used and degree offiring;hence,it cannot be taken as indicative of classification until after ithas been related to absorption and strength by actual tests.5.Physical Properties5.1 Tile shall conform to the physical properties for thegrade specified as prescribed in Table 1.5.2 Ti

12、le of Grade LBX shall be accepted under all condi-tions instead of Grade LB.1This specification is under the jurisdiction of ASTM Committee C15 onManufactured Masonry Units and is the direct responsibility of SubcommitteeC15.02 on Brick and Structural Clay Tile.Current edition approved June 1,2017.P

13、ublished July 2017.Originally approvedin 1921.Last previous edition approved in 2013 as C34 13.DOI:10.1520/C0034-17.2For 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 s

14、tandards Document Summary page onthe ASTM website.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally

15、recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 5.3 End-construction tile are tile designed to be placed inth

16、e wall with axes of the cells vertical.Side-construction tileare tile designed to be placed in the wall with the axes of thecells horizontal.Where end-construction tile are used on theside they shall conform to the requirements of side-construction tile and vice versa.5.4 Bonding tile shall be so designed as to provide recessesfor header brick courses when laid up in brick-faced walls.6.Dimensions and Permissible Variations6.1 No overall dimension shall vary more than 3%over orunder the specifie

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