ASTM C822-2018 Standard Terminology Relating to Concrete Pipe and Related Products《混凝土管道和相关产品的标准术语》.pdf
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1、Designation: C822 13C822 18Standard Terminology Relating toConcrete Pipe and Related Products1This standard is issued under the fixed designation C822; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A nu
2、mber in parentheses indicates the year of last reapproval. Asuperscript epsilon () 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. Referenced Documents1.1 ASTM Standards:2C497 Test Methods fo
3、r Concrete Pipe, Manhole Sections, or Tile2. Terminologyabsorptionthe increase in weight of concrete resulting from the penetration of water into the concrete.absorption testa test made to determine the absorption of concrete.admixturea material other than water, aggregates, cement and fibre reinfor
4、cing used as an ingredient of concrete and added tothe batch immediately before or during its mixture.annular spacethe space between the inner surface of the female end and the outer surface of the male end of an assembled pipejoint.bellsee female end of pipe.blenda combining of various cementitious
5、 materials.box sectiona concrete pipe with a rectangular cross section.box section bottom slablower horizontal portion of a box section in the installed condition.box section top slabupper horizontal portion of a box section in the installed condition.box section wallvertical sides of a box section
6、in the installed condition.cagean assembled unit of steel reinforcement consisting of circumferential and longitudinal bars or wires.circular reinforcementa circular-shaped line of reinforcement.circumferential reinforcementreinforcement that is approximately perpendicular to the longitudinal axis o
7、f the concrete pipe,box, or bined sewera pipeline intended to convey sewage and storm pression testa test made on a concrete specimen to determine the compressive pressive strengththe maximum resistance of a concrete specimen to axial compressive loading; or the specified resistanceused in design ca
8、lculations.concretea mixture of portland cement, fine aggregate, coarse aggregate, and water. The mixture may also contain admixtures,or other cementitious materials, or both.corea cylinder of concrete obtained from concrete by means of a core drill.1 This terminology is under the jurisdiction of AS
9、TM Committee C13 on Concrete Pipe and are the direct responsibility of Subcommittee C13.10 on Correlation andEditorial.Current edition approved Feb. 1, 2013Jan. 1, 2018. Published February 2013February 2018. Originally approved in 1975. Last previous edition approved in 20112013 asC822 11.C822 13. D
10、OI: 10.1520/C0822-13.10.1520/C0822-18.2 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.This document is not an
11、 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. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. I
12、n all cases only the current versionof the standard as published by ASTM is to be considered the official document.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1crownthe top or highest point of the internal surface of the transverse
13、 cross section of a pipe.culverta pipeline intended to convey water under a highway, railroad, canal, or similar facility.cylinder (test)a cast cylindrical specimen of concrete.design strengththe minimum acceptable 0.01-in. (0.3-mm) crack D-load.designated sizethe dimensional name for a particular s
14、ize that may or may not be equal to or related to the dimensions usedfor design purposes or of the manufactured product.distribution reinforcementreinforcement, typically running 90 to the main or circumferential reinforcement, intended todisperse concentrated loads to larger areas of a structural m
15、ember.D-loadthe supporting strength of a pipe loaded under three-edge-bearing test conditions expressed in pounds per linear foot perfoot of inside diameter or horizontal span, or expressed in newtons per linear metre per millimetre of inside diameter orhorizontal span.D-load, 0.01-in. (0.3-mm) crac
16、kthe maximum three-edge-bearing test load supported by a concrete pipe before a crack havinga width of 0.01 in. (0.3 mm) occurs, measured at close intervals, throughout a continuous length of 1 ft (300 mm) or moremeasured parallel to the longitudinal axis of pipe barrel expressed as D-load.D-load ul
17、timate (Du)the maximum three-edge-bearing test load supported by a pipe, expressed as D-load.drain tilepipe for collecting and conveying surface and subsurface water from an area.elliptical reinforcementa line of reinforcement in the approximate shape of an ellipse.exfiltrationthe volume of pipeline
18、 flow leaving a sewer and its connections into the soil from pipe, joints, connections, andappurtenances.external load-crushing strength testa test of the pipe in which external crushing forces are exerted in specified directions andlocations on a specified length of pipe.external sealing bandsflexi
19、ble wrappings that are applied to the outside of a concrete pipe, box section, or manhole section jointintended to control the movement of fluids or solids through the joint.female end of pipe (bell, socket, groove, modified groove)that portion of the end of the pipe, regardless of its shape ordimen
20、sions, which overlaps a portion of the end of the adjoining pipe.flow linea line formed by the inverts of pipe.gradationthe distribution of particles of granular material among standard sizes usually expressed in terms of cumulativepercentages larger or smaller than each of a series of sieve opening
21、s.grade ringsprecast concrete rings used for vertical adjustment at the top of a manhole to set manhole casting to proper grade.groovesee female end of pipe.handling reinforcementreinforcement intended to reduce the risk of collapse of the pipe or section during handling or storageprior to and durin
22、g final placement.hydrostatic pressurethe pressure exerted by water at rest.hydrostatic testa test of the ability of a pipe or its joint to withstand internal hydrostatic pressure.infiltrationthe volume of groundwater entering a sewer and its connections from the soil through pipe, joints, connectio
23、ns, orappurtenances.inflowthe volume of any kind of water entering a sewer and its connections from outside sources not including those sourcesdescribed under “infiltration.”installed lengthfinal length, along the centerline, of a pipe or box section in place including the longitudinal joint separat
24、ionbetween the section and the last section placed.invertthe bottom or lowest point of the internal surface of the transverse cross section of a pipe.irrigation pipepipe intended for the distribution of irrigation water by pumping or gravity.jointa connection of two pipe, manhole, or box section end
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