ASTM C896-02
(Terminology)Standard Terminology Relating to Clay Products
Standard Terminology Relating to Clay Products
General Information
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Standards Content (Sample)
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Designation:C896–02
Standard Terminology Relating to
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Clay Products
This standard is issued under the fixed designation C 896; 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.
1. Referenced Documents clay—an earthy or stony mineral aggregate consisting essen-
tially of hydrous silicates of alumina, plastic when suffi-
1.1 ASTM Standards:
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ciently pulverized and wetted, rigid when dry, and vitreous
C 301 Test Methods for Vitrified Clay Pipe
when fired to a sufficiently high temperature.
C 700 Specification for Vitrified Clay Pipe, Extra Strength,
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closure—See compression joint.
Standard Strength, and Perforated
compaction—mechanical or hydraulic consolidation of back-
2. Terminology
fill to achieve stability.
compression coupling—See compression joint.
approving authority—the individual official, board, depart-
compression disk—a disk of compressible material placed
ment, or agency established and authorized by a state,
between the ends of adjacent pipe for the purpose of
county, city, or other political subdivision, created by law to
distributing the jacking force.
administer and enforce specified requirements.
compression joint—a joint designed so that a sealing action is
backfill—all the material used to fill the trench from bedding
obtained by compressing elastomeric components.
to finished surface.
conduit—a pipe for conveying fluid.
backfill, final—material used to fill the trench from initial
consolidation—the gradual reduction in volume of backfill
backfill to finished surface.
matter to achieve stability.
backfill, initial—material used to fill the trench from top of
constant weight—the condition of a substance in which all
bedding to a designated height over the pipe.
volatile components have been vaporized, and repeated
backfill, unconsolidated—non-compacted material in place in
exposure to a specified temperature, for any period of time,
the trench.
causes no change in weight.
barrel—the cylindrical portion of a vitrified clay pipe exclu-
controlled low strength material (CLSM)—flowable low
sive of branches, spurs, joints, and handling rings or lugs.
compressive strength cementitious material used in the pipe
bearing strength—the non-destructive limit of pipe load, as
zone as a bedding material. Also referred to as controlled
determined by 3-edge bearing test method, used to determine
density fill, flowable fill, slurry, or lean concrete.
field supporting strength.
crack—an irregular separation with well-defined sharp edges
bedding—the materials, their placement, consolidation, and
visible on the surface of a pipe.
configuration, as designed to support, and to develop field
deadload—the load imposed on pipe, that is determined by
supporting strength of vitrified clay pipe.
depth and width of the trench at top of pipe, as well as unit
bell—the flared-end portion of a vitrified clay pipe or fitting,
weight and character of backfill material.
designed to function in the joining of other such pipe.
drains—a piping system used to collect and carry off surface
beveled pipe—a pipe with an end angled to mate with a
and ground water.
complimentary pipe end or adjust to another surface.
encasement—special materials, their placement and configu-
blister—a convex, raised area on the pipe surface indicating an
ration which are designed to fully surround the pipe, and
internal separation.
develop a field supporting strength which exceeds that
body—See pipe body.
developed by other commonly used installation and bedding
chip—a small piece of broken-off material, or the location
techniques.
where a small piece of the unit material has been broken off.
exfiltration—the quality of water leaving the test section
during a specified time period.
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face—to cover with a new surface.
This terminology is under the jurisdiction of ASTM Committee C04 on
Vitrified Clay Pipe and is the direct responsibility of Subcommittee C04.10 on
filter block—a cellular vitrified clay block unit, of proprietary
Editorial.
configuration, designed to underbed the media in trickling
Current edition approved Jan. 10, 2002. Published March 2002. Originally
filters.
published as C 896 – 78. Last previous edition C 896 – 99.
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fire clay—a sedimentary clay of low-flux content.
Annual Book of ASTM Standards, Vol 04.05.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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C896
fitting—products such as wyes, tees, elbows, adapters, etc. pimple—a small solid bump or protrusion on the pipe surface.
used in the installation of vitrified clay pipelines. pipe—See vitr
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