ASTM E447-97

Test Methods for Compressive Strength of Laboratory Constructed Masonry Prisms (Withdrawn 1998)

General Information

• Status: Withdrawn
• ICS: 91.100.15 - Mineral materials and products
• Technical Committee: C15 - Manufactured Masonry Units
• Drafting Committee: C15.04 - Research

Standards Content (Sample)

STD-ASTM E447-ENGL 1777 m 0757530 059B585 T47 B
AMERICAN SOCIETY FOR TESTING AND MATERIALS
Designation: E 447 - 97
100 Barr Harbor Dr. West Conshohocken. PA 19428
[STti
Remted from the Annual Book of ASTM Standards. Cmht ASTM
If nd listed in the current combined index, wll appear in the next edian.
Standard Test Method for
Compressive Strength of Laboratory Constructed Masonry
Prisms’
This standard is issued under the fixed designation E 447; 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 ycar 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 Definse. Consul1 lhe DoD Index of Specijìcations and
Standardrfor the spec& year of issue which has been adopted by the Departmew of Dpfnse.
C 780 Test Method for Preconstruction and Construction
1. Scope
Evaluation of Mortars for Plain and Reinforced Unit
I. 1 This test method covers compression tests of masonry
~a~0n1-y~
prisms for determining comparative data on the compressive
C I O 19 Test Method of Sampling and Testing Grout3
strength of masonry built in the laboratory with either
C 1314 Test Method for Constructing and Testing Ma-
different masonry units or mortar types, or both.
sonry Prisms Used to Determine Compliance with
Specified Compressive Strength of Masonry’
NOTE 1-This test method is not intended for use in establishing the
compressive strength of a particular set of materials by a preconstruction E 4 Practices for Force Verification of Testing Machines4
evaluation or to evaluate quality of materials and workmanship during
E 6 Terminology Relating to Methods of Mechanical
construction. Nor is this test method intended for use in determining the
Testing4
compressive strength of masonry built at the job site with the same
E 105 Practice for Probability Sampling of Materials’
material and workmanship to be used, or being used, in a particular
E 11 1 Test Method for Young’s Modulus, Tangent Mod-
structure (see Test Method C 13 14).
ulus, and Chord Modulus4
E 575 Practice for Reporting Data from Structural Tests of
1.2 Test specimens are short compression prisms: the
Building Constructions, Elements, Connections, and
influence of slenderness ratio is taken into account either by
proportions of the fabricated specimens or by the application Assemblies6
E 63 1 Terminology of Building Constructions6
of a correction factor.
1.3 The values stated in SI units are to be regarded as the
standard. The values given in parentheses are for informa- 3. Terminology
tion only.
3.1 Definitions-For definitions and terminology used in
1.4 This standard does not purport to address all of the
these test methods, refer to Terminology E 6 and E 63 I.
safety concerns, $ any, associated with its use. It is the
responsibility of the user of this standard io establish appro-
4. Apparatus
priate safity and healih practices and determine the applica-
4.1 The testing machine shall conform to the require-
bility of regulatory limitations prior to use.
ments given in Practices E 4.
4.2 The upper bearing shall be a spherically seated,
hardened metai block firmly attached at the center of the
2. Referenced Documents
upper head of the machine. The center of the sphere shall lie
2. I ASTM Standards:
at the center of the surface held in its spherical seat, but shall
C 39 Test Method for Compressive Strength of Cylindrical
be free to turn in any direction, and its perimeter shall have
Concrete Specimensz
at least 6-mm (V44n.) clearance from the head to allow for
C67 Test Method of Sampling and Testing Brick and specimens whose bearing surfaces are not exactly parallel.
Structurai Clay Tile3 The diameter of the bearing surface shall be at least 125 mm
C 140 Test Methods of Sampling and Testing Concrete
(5 in.). A hardened metai bearing block shall be used beneath
Masonry Units3 the specimen to minimize wear of the lower platen of the
C 143 Test Method for Slump of Hydraulic Cement machine. The bearing block surfaces intended for contact
Concrete2
with the specimen should have a hardness not less than 60
C 144 Specification for Aggregate for Masonry Mortar’
HRC (620 HB). These surfaces shall not depart from plane
C 270 Specification for Mortar for Unit Masonry’
surfaces by more than 0.003 mm (0.0001 in.) in any 150-mm
C 476 Specification for Grout for Masonry’
(6-in.) dimension. When the bearing area of the spherical
bearing block is not sufficient to cover the area of the
specimen, a steel plate with surfaces machined to true planes
I 'Ibis test method is under the jurisdiction of ASTM Committee C-15 on
within I0.003 mm (O.OOO1 in,), and with a thickness equal
Manufactured Masonry Units and is the direct responsibility of Suboommittee
C
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