ASTM C1716/C1716M-10

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Designation: C1716/C1716M – 10
Standard Specification for
Compression Testing Machine Requirements for Concrete
1
Masonry Units, Related Units, and Prisms
This standard is issued under the fixed designation C1716/C1716M; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope 3.1.1 bearing, adj—direct contact with the specimen being
tested, as in bearing plate, bearing block, and bearing platen.
1.1 This specification provides minimum design standards
3.1.2 block, n—steel piece 50 mm [2 in.] thick or greater
for testing machines used to measure the compressive strength
that provides additional load capacity in bending to platens.
of concrete masonry units, related units, and masonry prisms
3.1.2.1 Discussion—Blocks may be used to accommodate
covered under Test Methods C140 and C1314.
testing specimens of various heights in a testing machine.
1.2 The text of this standard references notes and footnotes
3.1.3 composite, adj—made up of two or more pieces or
which provide explanatory material. These notes and footnotes
materials.
(excluding those in tables and figures) shall not be considered
3.1.4 load frame, n—all components of the testing machine
as requirements of this standard.
that react against forces applied to the test specimen during
1.3 The values stated in either SI units or inch-pound units
testing.
are to be regarded separately as standard. The values stated in
3.1.5 plate, n—steel piece less than 50 mm [2 in.] thick.
each system may not be exact equivalents; therefore, each
3.1.5.1 Discussion—Plates are used to accommodate test
system shall be used independently of the other. Combining
specimens of various heights in a testing machine but do not
values from the two systems may result in non-conformance
provide additional load capacity in bending to platens or
with the standard.
blocks. Plates can also be used as bearing surfaces.
1.4 This standard does not purport to address all of the
3.1.6 platen, n—the primary bearing surfaces of the testing
safety concerns, if any, associated with its use. It is the
machine.
responsibility of the user of this standard to establish appro-
3.1.6.1 Discussion—Platen is a general term without spe-
priate safety and health practices and determine the applica-
cific properties implied. In general, the lower platen is semi-
bility of regulatory limitations prior to use.
permanently fixed to the testing machine and the upper platen
2. Referenced Documents
is semi-permanently fixed to a hemispherical thrust bearing.
2
3.1.7 spacer, n—plates, blocks, or equipment and fixtures
2.1 ASTM Standards:
specific to a testing machine, used to adjust the position of
C140 Test Methods for Sampling and Testing Concrete
bearing surfaces to accommodate test specimens.
Masonry Units and Related Units
C1093 Practice for Accreditation of Testing Agencies for
NOTE 1—Plates, blocks or platens used in bearing must be hardened.
Masonry
Spacers do not have to be hardened. Blocks are structural while plates are
C1314 Test Method for Compressive Strength of Masonry not.
Prisms
4. Testing Machine Requirements
E4 Practices for Force Verification of Testing Machines
4.1 Machine Loading Requirements:
3. Terminology
4.1.1 The testing machine must be power operated and
apply the load continuously, rather than intermittently, and
3.1 Definitions:
without shock.
4.1.2 The machine must be capable of maintaining specific
1
This specification is under the jurisdiction of ASTM Committee C15 on
loading rates required by the test. Variations in the loading rate
Manufactured Masonry Units and is the direct responsibility of Subcommittee
over the elastic portion of the test shall not exceed 620 % of
C15.04 on Research.
Current edition approved June 15, 2010. Published July 2010. DOI: 10.1520/
the set loading rate.
C1716_C1716M-10.
4.1.3 The testing machine must be capable of a minimum of
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
50 mm [2 in.] of continuous travel or displacement to accom-
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
modate positioning and testing of a specimen.
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
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C1716/C1716M – 10
NOTE 3—Platens 50 mm [2 in.] thick or greater act as blocks and
4.2 Gauges and Displays—Gauges and displays indicating
bearing capacities in bending are calculated accordingly.
loads shall
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