Standard Specification for Ready-Mixed Concrete

ABSTRACT
This specification covers ready-mixed concrete manufactured and delivered to a purchaser in freshly mixed and unhardened state as hereinafter specified. Requirements for quality of concrete shall be either as hereinafter specified or as specified by the purchase. In any case where the requirements of the purchaser differ from these in this specification, the purchaser's specification shall govern. In the absence of designated applicable materials specifications, materials specifications specified shall be used for cementitious materials, hydraulic cement, supplementary cementitious materials, cementitious concrete mixtures, aggregates, air-entraining admixtures, and chemical admixtures. Except as otherwise specifically permitted, cement, aggregate, and admixtures shall be measured by mass. Mixers will be stationary mixers or truck mixers. Agitators will be truck mixers or truck agitators. Test methods for compression, air content, slump, temperature shall be performed. For s strength test, at least two standard test specimens shall be made.
SCOPE
1.1 This specification covers ready-mixed concrete as defined in 3.2.2 (Note 1). Requirements for quality of ready-mixed concrete shall be either as stated in this specification or as ordered by the purchaser. When the purchaser’s requirements, as stated in the order, differ from those in this specification, the purchaser’s requirements shall govern. This specification does not cover the placement, consolidation, curing, or protection of the concrete after delivery to the purchaser.
Note 1: Concrete produced by volumetric batching and continuous mixing is covered in Specification C685. Fiber-reinforced concrete is covered in Specification C1116.  
1.2 The values stated in either SI units, shown in brackets, or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.  
1.3 As used throughout this specification the manufacturer produces ready-mixed concrete. The purchaser buys ready-mixed concrete.  
1.4 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.  
1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. (Warning—Fresh hydraulic cementitious mixtures are caustic and may cause chemical burns to skin and tissue upon prolonged use.2)  
1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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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:C94/C94M −18
Standard Specification for
1
Ready-Mixed Concrete
This standard is issued under the fixed designation C94/C94M; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope* (Warning—Fresh hydraulic cementitious mixtures are caustic
and may cause chemical burns to skin and tissue upon
1.1 This specification covers ready-mixed concrete as de-
2
prolonged use. )
fined in 3.2.2 (Note 1). Requirements for quality of ready-
1.6 This international standard was developed in accor-
mixed concrete shall be either as stated in this specification or
dance with internationally recognized principles on standard-
as ordered by the purchaser. When the purchaser’s
ization established in the Decision on Principles for the
requirements, as stated in the order, differ from those in this
Development of International Standards, Guides and Recom-
specification, the purchaser’s requirements shall govern. This
mendations issued by the World Trade Organization Technical
specification does not cover the placement, consolidation,
Barriers to Trade (TBT) Committee.
curing, or protection of the concrete after delivery to the
purchaser.
2. Referenced Documents
3
NOTE 1—Concrete produced by volumetric batching and continuous
2.1 ASTM Standards:
mixing is covered in Specification C685. Fiber-reinforced concrete is
C31/C31MPractice for Making and Curing Concrete Test
covered in Specification C1116.
Specimens in the Field
1.2 The values stated in either SI units, shown in brackets,
C33/C33MSpecification for Concrete Aggregates
or inch-pound units are to be regarded separately as standard.
C39/C39MTest Method for Compressive Strength of Cylin-
Thevaluesstatedineachsystemmaynotbeexactequivalents;
drical Concrete Specimens
therefore,eachsystemshallbeusedindependentlyoftheother.
C125Terminology Relating to Concrete and Concrete Ag-
Combining values from the two systems may result in non-
gregates
conformance with the standard.
C138/C138MTestMethodforDensity(UnitWeight),Yield,
and Air Content (Gravimetric) of Concrete
1.3 As used throughout this specification the manufacturer
C143/C143MTest Method for Slump of Hydraulic-Cement
produces ready-mixed concrete. The purchaser buys ready-
Concrete
mixed concrete.
C150/C150MSpecification for Portland Cement
1.4 The text of this standard references notes and footnotes
C172/C172MPractice for Sampling Freshly Mixed Con-
which provide explanatory material.These notes and footnotes
crete
(excluding those in tables and figures) shall not be considered
C173/C173MTestMethodforAirContentofFreshlyMixed
as requirements of the standard.
Concrete by the Volumetric Method
1.5 This standard does not purport to address all of the
C231/C231MTestMethodforAirContentofFreshlyMixed
safety concerns, if any, associated with its use. It is the
Concrete by the Pressure Method
responsibility of the user of this standard to establish appro-
C260/C260MSpecification for Air-Entraining Admixtures
priate safety, health, and environmental practices and deter-
for Concrete
mine the applicability of regulatory limitations prior to use.
C330/C330MSpecification for Lightweight Aggregates for
Structural Concrete
1 2
This specification is under the jurisdiction of ASTM Committee C09 on See Section on Safety Precautions, Manual ofAggregate and ConcreteTesting,
Concrete and ConcreteAggregates and is the direct responsibility of Subcommittee Annual Book of ASTM Standards, Vol 04.02.
3
C09.40 on Ready-Mixed Concrete. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved Dec. 15, 2018. Published February 2019. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 1933. Last previous edition approved in 2017 as C94/C94M–17a. Standards volume information, refer to the standard’s Document Summary page on
DOI: 10.1520/C0094_C0094M-18. the ASTM website.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

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C94/C94M−18
C494/C494MSpecification for Chemical Admixtures for 3.2.2 concrete, ready-mixed, n—concrete manufactured and
Concrete delivered to a purchaser in a fresh state.
C567/C567MTest Method for Determining Density of
3.2.3 concrete, shrink-mixed, n—ready-mixed concrete par-
Structural Lightweight Concrete
tially mixed in a stationary mixer with mixing completed in a
C595/C595M
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: C94/C94M − 17a C94/C94M − 18
Standard Specification for
1
Ready-Mixed Concrete
This standard is issued under the fixed designation C94/C94M; 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.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope*
1.1 This specification covers ready-mixed concrete as defined in 3.2.2 (Note 1). Requirements for quality of ready-mixed
concrete shall be either as stated in this specification or as ordered by the purchaser. When the purchaser’s requirements, as stated
in the order, differ from those in this specification, the purchaser’s requirements shall govern. This specification does not cover the
placement, consolidation, curing, or protection of the concrete after delivery to the purchaser.
NOTE 1—Concrete produced by volumetric batching and continuous mixing is covered in Specification C685. Fiber-reinforced concrete is covered in
Specification C1116.
1.2 The values stated in either SI units, shown in brackets, or inch-pound units are to be regarded separately as standard. The
values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other.
Combining values from the two systems may result in non-conformance with the standard.
1.3 As used throughout this specification the manufacturer produces ready-mixed concrete. The purchaser buys ready-mixed
concrete.
1.4 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes
(excluding those in tables and figures) shall not be considered as requirements of the standard.
1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility
of the user of this standard to establish appropriate safety safety, health, and healthenvironmental practices and determine the
applicability of regulatory limitations prior to use. (Warning—Fresh hydraulic cementitious mixtures are caustic and may cause
2
chemical burns to skin and tissue upon prolonged use. )
1.6 This international standard was developed in accordance with internationally recognized principles on standardization
established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued
by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents
3
2.1 ASTM Standards:
C31/C31M Practice for Making and Curing Concrete Test Specimens in the Field
C33/C33M Specification for Concrete Aggregates
C39/C39M Test Method for Compressive Strength of Cylindrical Concrete Specimens
C125 Terminology Relating to Concrete and Concrete Aggregates
C138/C138M Test Method for Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete
C143/C143M Test Method for Slump of Hydraulic-Cement Concrete
C150/C150M Specification for Portland Cement
C172/C172M Practice for Sampling Freshly Mixed Concrete
C173/C173M Test Method for Air Content of Freshly Mixed Concrete by the Volumetric Method
C231/C231M Test Method for Air Content of Freshly Mixed Concrete by the Pressure Method
C260/C260M Specification for Air-Entraining Admixtures for Concrete
1
This specification is under the jurisdiction of ASTM Committee C09 on Concrete and Concrete Aggregates and is the direct responsibility of Subcommittee C09.40 on
Ready-Mixed Concrete.
Current edition approved Aug. 1, 2017Dec. 15, 2018. Published August 2017February 2019. Originally approved in 1933. Last previous edition approved in 2017 as
C94/C94M – 17.C94/C94M – 17a. DOI: 10.1520/C0094_C0094M-17A.10.1520/C0094_C0094M-18.
2
See Section on Safety Precautions, Manual of Aggregate and Concrete Testing, Annual Book of ASTM Standards, Vol 04.02.
3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
C94/C94M − 18
C330/C330M Specification for Lightw
...

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