ASTM C1209-01a
(Terminology)Standard Terminology of Concrete Masonry Units and Related Units
Standard Terminology of Concrete Masonry Units and Related Units
SCOPE
1.1 This terminology contains terms, definitions of terms, nomenclature, and explanations of abbreviations, acronyms, and symbols specific to concrete masonry units and related units.
1.2 The definitions and descriptions of terms in this terminology pertain to Specifications C55, C73, C90, C129, C139, C744, and C1319 and Test Methods C140, C426, C1006, and C1262.
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Designation:C1209–01a
Standard Terminology of
1
Concrete Masonry Units and Related Units
This standard is issued under the fixed designation C 1209; 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. Scope * absorption—difference in the amount of water contained
within a concrete masonry unit or related unit between a
1.1 This terminology contains terms, definitions of terms,
saturated and oven-dry condition in accordance with the
nomenclature, and explanations of abbreviations, acronyms,
requirements of Test Methods C 140. It is expressed as
and symbols specific to concrete masonry units and related
weight of water per volume of concrete.
units.
calcium-silicate brick, n—a pressed and subsequently auto-
1.2 The definitions and definitions of terms in this terminol-
claved unit that consists of sand and lime, with or without
ogy pertain to Specifications C 55, C 73, C 90, C 129, C 139,
the inclusion of other materials.
C 744, and C 1319 and Test Methods C 140, C 426, C 1006,
concrete brick, n—a concrete masonry unit made from
and C 1262.
portland cement, water, and suitable aggregates, with or
2. Referenced Documents
without the inclusion of other materials. See Specification
C 55.
2.1 ASTM Standards:
2
coupon, n—a solid specimen, rectangular in any cross-section,
C 55 Specification for Concrete Building Brick
that is saw-cut from a concrete masonry unit or related unit
C 73 Specification for Calcium Silicate Face Brick (Sand-
2
for the purpose of testing, and whose properties are consid-
Lime Brick)
ered representative of the whole unit.
C 90 Specification for Loadbearing Concrete Masonry
2
dryingshrinkage, n—in this test method, the change in linear
Units
dimension of the test specimen due to drying from a
C 129 Specification for Nonloadbearing Concrete Masonry
2
saturated condition to an equilibrium weight and length
Units
under specified accelerated drying conditions. C426
C 139 Specification for Concrete Masonry Units for Con-
2
hollow masonry unit—unit whose net cross-sectional area in
struction of Catch Basins and Manholes
any plane parallel to the bearing surface is 75 % or less of its
C 140 Test Methods for Sampling and Testing Concrete
2
gross cross-sectional area measured in the same plane.
Masonry Units and Related Units
C1232
C 426 Test Method for Drying Shrinkage of Concrete
2
lightweight concrete masonry unit—unit whose oven-dry
Block
3 3
density is less than 105 lb/ft (1680 kg/m ).
C 744 Specification for Prefaced Concrete and Calcium
2
lot—any number of concrete masonry units or related units
Silicate Masonry Units
designated by the producer of any configuration or dimen-
C 1006 Test Method for Splitting Tensile Strength of Ma-
2
sion manufactured by the producer using the same materials,
sonry Units
2
concrete mix design, manufacturing process, and c
...
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