1、Designation:C89617Standard Terminology Relating toClay Products1This standard is issued under the fixed designation C896;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 parentheses indicates the
2、year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Referenced Documents1.1 ASTM Standards:2C301 Test Methods for Vitrified Clay PipeC700 Specification for Vitrified Clay Pipe,Extra Strength,Standard Strength,and Perforated2.Terminology
3、approvingauthoritytheindividualofficial,board,department,or agency established and authorized by a state,county,city,or other political subdivision,created by law toadminister and enforce specified requirements.backfillall the material used to fill the trench from beddingto finished surface.backfill
4、,finalmaterial used to fill the trench from initialbackfill to finished surface.backfill,initialmaterial used to fill the trench from top ofbedding to a designated height over the pipe.backfill,unconsolidatednon-compacted material in place inthe trench.barrelthe cylindrical portion of a vitrified cl
5、ay pipe exclu-sive of branches,spurs,joints,and handling rings or lugs.bearing strengththe non-destructive limit of pipe load,asdetermined by 3-edge bearing test method,used to determinefield supporting strength.beddingthe materials,their placement,consolidation,andconfiguration,as designed to suppo
6、rt,and to develop fieldsupporting strength of vitrified clay pipe.bellthe flared-end portion of a vitrified clay pipe or fitting,designed to function in the joining of other such pipe.beveled pipea pipe with an end angled to mate with acomplimentary pipe end or adjust to another surface.blistera con
7、vex,raised area on the pipe surface indicating aninternal separation.bodySee pipe body.bouldera particle of rock that will not pass a 12-in.(305-mm)square opening.chipa small piece of broken-off material,or the locationwhere a small piece of the unit material has been broken off.clayan earthy or sto
8、ny mineral aggregate consisting essen-tially of hydrous silicates of alumina,plastic when suffi-ciently pulverized and wetted,rigid when dry,and vitreouswhen fired to a sufficiently high temperature.closureSee compression joint.cobblea particle of rock that will pass a 12-in.(305-mm)square opening a
9、nd be retained on a 3-in.(76-mm)U.S.standard pactiondensification of soil by means of pression couplingSee compression pression diska disk of compressible material placedbetween the ends of adjacent pipe for the purpose ofdistributing the jacking pression jointa joint designed so that a sealing acti
10、on isobtained by compressing elastomeric components.conduita pipe for conveying fluid.consolidationthe gradual reduction in volume of backfillmatter to achieve stability.constant weightthe condition of a substance in which allvolatile components have been vaporized,and repeatedexposure to a specifie
11、d temperature,for any period of time,causes no change in weight.controlled low strength material(CLSM)flowable lowcompressive strength cementitious material used in the pipezone as a bedding material.Also referred to as controlleddensity fill,flowable fill,slurry,or lean concrete.1This terminology i
12、s under the jurisdiction of ASTM Committee C04 onVitrified Clay Pipe and is the direct responsibility of Subcommittee C04.10 onEditorial.Current edition approved June 1,2017.Published June 2017.Originallyapproved in 1978.Last previous edition approved in 2015 as C896 15.DOI:10.1520/C0896-17.2For ref
13、erenced 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.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Consho
14、hocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organiz
15、ation Technical Barriers to Trade(TBT)Committee.1 crackan irregular separation with well-defined sharp edgesvisible on the surface of a pipe.deadloadthe load imposed on pipe,that is determined bydepth and width of the trench at top of pipe,as well as unitweight and character of backfill material.dra
16、insa piping system used to collect and carry off surfaceand ground water.encasementspecial materials,their placement and configu-ration which are designed to fully surround the pipe,anddevelop a field supporting strength which exceeds thatdeveloped by other commonly used installation and beddingtechniques.exfiltrationthe quality of water leaving the test sectionduring a specified time period.faceto cover with a new surface.filter blocka cellular vitrified clay block unit,of proprietaryconfigurat
