ASTM C928-00

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Designation: C 928 – 00
Standard Specification for
Packaged, Dry, Rapid-Hardening Cementitious Materials for
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Concrete Repairs
This standard is issued under the fixed designation C 928; 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 2. Referenced Documents
1.1 This specification covers packaged, dry, cementitious 2.1 ASTM Standards:
mortar or concrete materials for rapid repairs to hardened C 39 Test Method for Compressive Strength of Cylindrical
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hydraulic-cement concrete pavements and structures. Materials Concrete Specimens
that contain organic compounds, such as bitumens, epoxy C 78 Test Method for Flexural Strength of Concrete (Using
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resins, and polyesters, as the principal binder are not included. Simple Beam with Third-Point Loading)
1.1.1 Packaged, dry, concrete material contains aggregate of C 109/C 109M Test Method for Compressive Strength of
which at least5%by mass of the total mixture is retained on Hydraulic Cement Mortars (Using 2-in. or 50-mm Cube
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a 9.5-mm ( ⁄8-in.) sieve. Specimens)
1.1.2 Packaged, dry, mortar material contains aggregate of C 143 Test Method for Slump of Hydraulic Cement Con-
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which less than5%by mass of the total mixture is retained on crete
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a 9.5-mm ( ⁄8-in.) sieve. C 157 Test Method for Length Change of Hardened
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1.2 Aqueous solutions, aqueous emulsions or dispersions Hydraulic-Cement Mortar and Concrete
may be included as components of the packaged materials.The C 192/C 192M Practice for Making and Curing Concrete
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manufacturermayspecifythattheseliquidsaretoreplacesome Test Specimens in the Laboratory
or all of the mixing water. C 403/C 403M TestMethodforTimeofSettingofConcrete
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1.3 Aggregates must be included as a component of the Mixtures by Penetration Resistant
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packaged materials. The manufacturer may recommend job C 494 Specification for ChemicalAdmixtures for Concrete
site addition of specific amounts and types of additional C 666 Test Method for Resistance of Concrete to Rapid
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aggregates to his product for some uses. However, such Freezing and Thawing
reformulated products are not within the scope of this specifi- C 672/C 672M Test Method for Scaling Resistance of Con-
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cation. crete Surfaces Exposed to Deicing Chemicals
1.4 The values stated in SI units are to be regarded as C 702 Practice for Reducing Field Samples ofAggregate to
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standard. The inch-pound units given in parentheses are for Testing Size
information only. Values in SI units shall be obtained by C 882 Test Method for Bond Strength of Epoxy-Resin
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measurement in SI units or by appropriate conversion of Systems Used With Concrete By Slant Shear
measurements made in other units, using the Rules for Con- C 1012 Test Method for Length Change of Hydraulic-
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version and Rounding given in IEEE/ASTM SI-10. Cement Mortars Exposed to a Sulfate Solution
1.5 The following safety hazards caveat pertains to the test E 96 Test Methods for Water Vapor Transmission of Mate-
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methods portion of this specification: This standard does not rials
purport to address all of the safety concerns, if any, associated IEEE/ASTM SI-10 Standard for Use of the International
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with its use. It is the responsibility of the user of this standard System of Units (SI): The Modern Metric System
to establish appropriate safety and health practices and
determine the applicability of regulatory limitations prior to
use.
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This specification is under the jurisdiction of ASTM Committee C09 on
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Concrete and ConcreteAggregates and is the direct responsibility of Subcommittee Annual Book of ASTM Standards, Vol 04.02.
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C09.43 on Packaged, Dry, Combined Concrete. Annual Book of ASTM Standards, Vol 04.01.
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Current edition approved Aug. 10, 2000. Published October 2000. Originally Annual Book of ASTM Standards, Vol 04.06.
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published as C 928 – 80. Last previous edition C 928 – 99a. Annual Book of ASTM Standards, Vol 14.02.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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C928–00
3. Materials and Manufacture the packaged material contains sufficient chlorides to cause
corrosion to steel reinforcement when the concrete is exposed
3.1 Three types of packaged, dry, rapid-hardening concrete
to weather, is on the ground, or is in an otherwise moist
and three types of packaged, dry, rapid-hardening mortar are
environment. A much lower chloride ion content is suggested
identified in Table 1.
for use in prestressed concrete. Guidance for such users is
4. Chemical Composition outside the scope o
...