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ASTM C580-98

(Test Method)

Standard Test Method for Flexural Strength and Modulus of Elasticity of Chemical-Resistant Mortars, Grouts, Monolithic Surfacings, and Polymer Concretes

Standard Test Method for Flexural Strength and Modulus of Elasticity of Chemical-Resistant Mortars, Grouts, Monolithic Surfacings, and Polymer Concretes

SCOPE
1.1 This test method covers the determination of flexural strength and modulus of elasticity in flexure of cured chemical-resistant materials in the form of molded rectangular beams. These materials include mortars, brick and tile grouts, structural grouts, machinery grouts, monolithic surfacings, and polymer concretes. These materials shall be based on resin, silicate, silica, or sulfur binders.
1.2 A bar of rectangular cross section is tested in flexure as a simple beam in center point loading: the bar rests on two supports and the load is applied by means of a loading nose midway between supports.
1.3 Method A outlines the testing procedure generally used for systems containing aggregate less than 0.2 in. (5 mm) in size. Method B covers the testing procedure generally used for systems containing aggregate from 0.2 to 0.4 in. (10 mm) in size. Method C is used for systems containing aggregate larger than 0.4 in.
1.4 The values stated in inch-pound units are to be regarded as standard. Within this text, the SI units shown in parentheses are provided for information only.
1.5 This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

General Information

Status
Historical
Publication Date
09-Nov-1998
ICS
91.100.10 - Cement. Gypsum. Lime. Mortar
Technical Committee
D01 - Paint and Related Coatings, Materials, and Applications
Drafting Committee
D01.46 - Industrial Protective Coatings
Current Stage
Ref Project

Relations

Replaced By
ASTM C580-02 - Standard Test Method for Flexural Strength and Modulus of Elasticity of Chemical-Resistant Mortars, Grouts, Monolithic Surfacings, and Polymer Concretes
Effective Date
10-Oct-2002

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ASTM C580-98 - Standard Test Method for Flexural Strength and Modulus of Elasticity of Chemical-Resistant Mortars, Grouts, Monolithic Surfacings, and Polymer ConcretesASTM C580-98 - Standard Test Method for Flexural Strength and Modulus of Elasticity of Chemical-Resistant Mortars, Grouts, Monolithic Surfacings, and Polymer Concretes
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ASTM C580-98 - Standard Test Method for Flexural Strength and Modulus of Elasticity of Chemical-Resistant Mortars, Grouts, Monolithic Surfacings, and Polymer Concretes
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or
withdrawn. Contact ASTM International (www.astm.org) for the latest information.
Designation: C 580 – 98
AMERICAN SOCIETY FOR TESTING AND MATERIALS
100 Barr Harbor Dr., West Conshohocken, PA 19428
Reprinted from the Annual Book of ASTM Standards. Copyright ASTM
Standard Test Method for
Flexural Strength and Modulus of Elasticity of Chemical-
Resistant Mortars, Grouts, Monolithic Surfacings, and
1
Polymer Concretes
This standard is issued under the fixed designation C 580; 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.
3
1. Scope E 4 Practices for Force Verification of Testing Machines
1.1 This test method covers the determination of flexural
3. Terminology
strength and modulus of elasticity in flexure of cured chemical-
3.1 Definitions—For definitions of terms used in this test
resistant materials in the form of molded rectangular beams.
method, see Terminology C 904.
These materials include mortars, brick and tile grouts, struc-
tural grouts, machinery grouts, monolithic surfacings, and
4. Significance and Use
polymer concretes. These materials shall be based on resin,
4.1 This test method is generally applicable to rigid and
silicate, silica, or sulfur binders.
semirigid materials. Although flexural strength cannot be
1.2 A bar of rectangular cross section is tested in flexure as
determined for those materials that do not break, tangent
a simple beam in center point loading: the bar rests on two
modulus of elasticity can be determined.
supports and the load is applied by means of a loading nose
4.2 The results obtained by this test method should serve as
midway between supports.
a guide in, but not as the sole basis for, selection of a
1.3 Method A outlines the testing procedure generally used
chemical-resistant material for a particular application. No
for systems containing aggregate less than 0.2 in. (5 mm) in
attempt has been made to incorporate into this test method all
size. Method B covers the testing procedure generally used for
the various factors that may affect the performance of a
systems containing aggregate from 0.2 to 0.4 in. (10 mm) in
material when subjected to actual service.
size. Method C is used for systems containing aggregate larger
4.3 In addition to the tangent modulus of elasticity, a secant
than 0.4 in.
modulus is calculated at the point on the stress-strain (load-
1.4 The values stated in inch-pound units are to be regarded
deflection) graph where the strain is 50 % of the maximum
as standard. Within this text, the SI units shown in parentheses
strain.
are provided for information only.
1.5 This standard does not purport to address all of the
5. Apparatus
safety concerns, if any, associated with its use. It is the
5.1 Weighing Equipment, shall be capable of weighing
responsibility of the user of this standard to establish appro-
materials or specimens to 60.3 % accuracy.
priate safety and health practices and determine the applica-
5.2 Equipment for Mixing Materials, shall consist of a
bility of regulatory limitations prior to use.
container of suitable size, preferably corrosion-resistant, a
3
spatula, trowel, or mechanical mixer, and a ⁄8 in. diameter rod
2. Referenced Documents
with a rounded end, for use in casting specimens.
2.1 ASTM Standards:
5.3 Specimen Molds:
C 904 Terminology Relating to Chemical Resistant Nonme-
2 5.3.1 Method A—Molds to permit the casting of bars 1 6
tallic Materials
1
⁄16 in. (25 6 1 mm) square by 10 in. (250 mm) minimum
C 1312 Practice for Making and Conditioning Chemical-
length.
Resistant Sulfur Polymer Cement Concrete Test Speci-
5.3.1.1 For sulfur mortars, the following additional equip-
2
mens in the Laboratory
ment is required:
(a) Cover Plate, of a size sufficient to enclose the open side
of the bar mold. The base plate from another similar bar mold
1
has been found to be acceptable.
This test method is under the jurisdiction of ASTM Committee C-3 on
Chemical-Resistant Nonmetallic Materials and is the direct responsibility of
(b) C-Clamp, large enough to fasten the cover plate securely
Subcommittee C03.01 on Test Methods.
over the bar mold.
Current edition approved Nov. 10, 1998. Published February 1999. Originally
published as C 580 – 65T. Last previous edition C 580 – 93.
2
3
Annual Book of ASTM Standards, Vol 04.05.
Annual Book of ASTM Standards, Vol 03.01.
1

---------------------- Page: 1 ----------------------
NOTICE:¬This¬standard¬has¬either¬been¬superseded¬and¬replaced¬by¬a¬new¬version¬or
discontinued.¬Contact¬ASTM¬International¬(www.astm.org)¬for¬the¬latest¬information.¬
C 580
(c) Melting Chamber, of sufficient volume and h
...

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