ASTM C822-05a
(Terminology)Standard Terminology Relating to Concrete Pipe and Related Products
Standard Terminology Relating to Concrete Pipe and Related Products
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Designation:C822–05a
Standard Terminology Relating to
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Concrete Pipe and Related Products
This standard is issued under the fixed designation C 822; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
absorption—the increase in weight of concrete resulting from core—a cylinder of concrete obtained from concrete by means
the penetration of water into the concrete. of a core drill.
absorption test—a test made to determine the absorption of crown—the top or highest point of the internal surface of the
concrete. transverse cross section of a pipe.
admixture—a material other than water, aggregates, cement culvert—a pipeline intended to convey water under a highway,
and fibre reinforcing used as an ingredient of concrete and railroad, canal, or similar facility.
added to the batch immediately before or during its mixture. cylinder (test)—a cast cylindrical specimen of concrete.
annular space—the space between the inner surface of the design strength—the minimum acceptable 0.01-in. (0.3-mm)
female end and the outer surface of the male end of an crack D-load.
assembled pipe joint. designated size—the dimensional name for a particular size
bell—see female end of pipe. that may or may not be equal to or related to the dimensions
blend—a combining of various cementitious materials. used for design purposes or of the manufactured product.
box section—a concrete pipe with a rectangular cross section. distribution reinforcement—reinforcement, typically running
box section bottom slab—lower horizontal portion of a box 90° to the main or circumferential reinforcement, intended to
section in the installed condition. disperse concentrated loads to larger areas of a structural
box section top slab—upper horizontal portion of a box member.
section in the installed condition. D-load—the supporting strength of a pipe loaded under
box section wall—vertical sides of a box section in the three-edge-bearing test conditions expressed in pounds per
installed condition. linear foot per foot of inside diameter or horizontal span, or
cage—an assembled unit of steel reinforcement consisting of expressed in newtons per linear metre per millimetre of
circumferential and longitudinal bars or wires. inside diameter or horizontal span.
circular reinforcement—a circular-shaped line of reinforce- D-load, 0.01-in. (0.3-mm) crack—the maximum three-edge-
ment. bearing test load supported by a concrete pipe before a crack
circumferential reinforcement—reinforcement that is ap- having a width of 0.01 in. (0.3 mm) occurs, measured at
proximately perpendicular to the longitudinal axis of the close intervals, throughout a continuous length of 1 ft (300
concrete pipe. mm) or more measured parallel to the longitudinal axis of
combined sewer—a pipeline intended to convey sewage and pipe barrel expressed as D-load.
storm water. D-load ultimate (Du)—the maximum three-edge-bearing test
compression test—a test made on a concrete specimen to load supported by a pipe, expressed as D-load.
determine the compressive strength. drain tile—pipe for collecting and conveying surface and
compressive strength—the maximum resistance of a concrete subsurface water from an area.
specimen to axial compressive loading; or the specified elliptical reinforcement—a line of reinforcement in the ap-
resistance used in design calculations. proximate shape of an ellipse.
concrete—a homogeneous mixture of portland cement, fine exfiltration—the volume of pipeline flow leaving a sewer and
aggregate, coarse aggregate, and water. The mixture may its connections into the soil from pipe, joints, connections,
also contain admixtures, or other cementitious materials, or and appurtenances.
both. external load-crushing strength test—a test of the pipe in
which external crushing forces are exerted in specified
directions and locations on a specified length of pipe.
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This terminology is under the jurisdiction of ASTM Committee C13 on
external sealing bands—flexible wrappings that are applied to
Concrete Pipe and are the direct responsibility of Subcommittee C13.10 on
the outside of a concrete pipe, box section, or manhole
Correlation and Editorial.
Current edition approved May 15, 2005. Published June 2005. Originally
approved in 1975. Last previous edition approved in 2005 as C 822–05.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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C822–05a
section joint intended to control the movement
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