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ASTM C94/C94M-03

(Specification)

Standard Specification for Ready-Mixed Concrete

Standard Specification for Ready-Mixed Concrete

SCOPE
1.1 This specification covers ready-mixed concrete manufactured and delivered to a purchaser in a freshly mixed and unhardened state as hereinafter specified. Requirements for quality of concrete shall be either as hereinafter specified or as specified by the purchaser. In any case where the requirements of the purchaser differ from these in this specification, the purchaser's specification shall govern. This specification does not cover the placement, consolidation, curing, or protection of the concrete after delivery to the purchaser.
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 shall be the contractor, subcontractor, supplier, or producer who furnishes the ready-mixed concrete. The purchaser shall be the owner or representative thereof.
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.

General Information

Status
Historical
Publication Date
09-Apr-2003
ICS
91.100.30 - Concrete and concrete products
Technical Committee
C09 - Concrete and Concrete Aggregates
Drafting Committee
C09.40 - Ready-Mixed Concrete
Current Stage
Ref Project

Relations

Replaces
ASTM C94/C94M-00e2 - Standard Specification for Ready-Mixed Concrete
Effective Date
10-Apr-2003
Replaced By
ASTM C94/C94M-03e1 - Standard Specification for Ready-Mixed Concrete
Effective Date
10-Apr-2003
Referred By
ASTM F2480-18 - Standard Guide for In-ground Concrete Skatepark
Effective Date
10-Apr-2003
Referred By
ASTM C1798/C1798M-19 - Standard Specification for Returned Fresh Concrete for Use in a New Batch of Ready-Mixed Concrete
Effective Date
10-Apr-2003
Referred By
ASTM C1776/C1776M-17(2022) - Standard Specification for Wet-Cast Precast Modular Retaining Wall Units
Effective Date
10-Apr-2003
Referred By
ASTM C1613-22 - Standard Specification for Precast Concrete Gravity Grease Interceptor Tanks
Effective Date
10-Apr-2003
Referred By
ASTM C935-19 - Standard Specification for General Requirements for Prestressed Concrete Poles Statically Cast
Effective Date
10-Apr-2003
Referred By
ASTM C125-21a - Standard Terminology Relating to Concrete and Concrete Aggregates
Effective Date
10-Apr-2003
Referred By
ASTM D6449-99(2015)e1 - Standard Test Method for Flow of Fine Aggregate Concrete for Fabric Formed Concrete (Flow Cone Method)
Effective Date
10-Apr-2003
Referred By
ASTM C685/C685M-17 - Standard Specification for Concrete Made by Volumetric Batching and Continuous Mixing
Effective Date
10-Apr-2003
Referred By
ASTM C858-19 - Standard Specification for Underground Precast Concrete Utility Structures
Effective Date
10-Apr-2003
Referred By
ASTM C915-79(2018) - Standard Specification for Precast Reinforced Concrete Crib Wall Members
Effective Date
10-Apr-2003
Referred By
ASTM C1116/C1116M-23 - Standard Specification for Fiber-Reinforced Concrete
Effective Date
10-Apr-2003
Referred By
ASTM F1090-15 - Standard Classification for Bank and Mercantile Vault Construction
Effective Date
10-Apr-2003
Referred By
ASTM C31/C31M-23 - Standard Practice for Making and Curing Concrete Test Specimens in the Field
Effective Date
10-Apr-2003

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ASTM C94/C94M-03 - Standard Specification for Ready-Mixed Concrete
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Standards Content (Sample)

NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: C 94/C 94M – 03
Standard Specification for
1
Ready-Mixed Concrete
This standard is issued under the fixed designation C 94/C 94M; 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.
1. Scope C 138 Test Method for Unit Weight, Yield, and Air Content
2
(Gravimetric) of Concrete
1.1 This specification covers ready-mixed concrete manu-
C 143/C 143M Test Method for Slump of Hydraulic Ce-
factured and delivered to a purchaser in a freshly mixed and
2
ment Concrete
unhardened state as hereinafter specified. Requirements for
3
C 150 Specification for Portland Cement
quality of concrete shall be either as hereinafter specified or as
2
C 172 Practice for Sampling Freshly Mixed Concrete
specified by the purchaser. In any case where the requirements
C 173 Test Method for Air Content of Freshly Mixed
of the purchaser differ from these in this specification, the
2
Concrete by the Volumetric Method
purchaser’s specification shall govern. This specification does
C 191 Test Method for Time of Setting of Hydraulic Ce-
not cover the placement, consolidation, curing, or protection of
3
ment by Vicat Needle
the concrete after delivery to the purchaser.
C 231 Test Method for Air Content of Freshly Mixed
1.2 The values stated in either SI units, shown in brackets,
2
Concrete by the Pressure Method
or inch-pound units are to be regarded separately as standard.
C 260 Specification for Air-Entraining Admixtures for Con-
The values stated in each system may not be exact equivalents;
2
crete
therefore, each system shall be used independently of the other.
C 330 Specification for Lightweight Aggregates for Struc-
Combining values from the two systems may result in non-
2
tural Concrete
conformance with the standard.
2
C 494 Specification for Chemical Admixtures for Concrete
1.3 As used throughout this specification the manufacturer
C 567 Test Method for Unit Weight of Structural Light-
shall be the contractor, subcontractor, supplier, or producer
2
weight Concrete
who furnishes the ready-mixed concrete. The purchaser shall
3
C 595 Specification for Blended Hydraulic Cements
be the owner or representative thereof.
C 618 Specification for Coal Fly Ash and Raw or Calcined
1.4 The text of this standard references notes and footnotes
Natural Pozzolan for Use as a Mineral Admixture in
which provide explanatory material. These notes and footnotes
2
Concrete
(excluding those in tables and figures) shall not be considered
C 989 Specification for Ground Granulated Blast-Furnace
as requirements of the standard.
2
Slag for Use in Concrete and Mortars
2. Referenced Documents C 1017 Specification for Chemical Admixtures for Use in
2
Producing Flowing Concrete
2.1 ASTM Standards:
C 1064 Test Method for Temperature of Freshly Mixed
C 31/C 31M Practice for Making and Curing Concrete Test
2
2
Portland-Cement Concrete
Specimens in the Field
2
C 1077 Practice for Laboratories Testing Concrete and Con-
C 33 Specification for Concrete Aggregates
crete Aggregates for Use in Construction and Criteria for
C 39/C 39M Test Method for Compressive Strength of Cy-
2
2
Laboratory Evaluation
lindrical Concrete Specimens
3
C 1157 Performance Specification for Hydraulic Cement
C 109/C 109M Test Method for Compressive Strength of
4
D 512 Test Methods for Chloride Ion in Water
Hydraulic Cement Mortars (Using 2-in. or 50-mm Cube
4
3
D 516 Test Method for Sulfate Ion in Water
Specimens)
5
2.2 ACI Documents:
CP-1 Technician Workbook for ACI Certification of Con-
1
This specification is under the jurisdiction of ASTM Committee C09 on
crete Field Testing Technician–Grade I
Concrete and Concrete Aggregates and is the direct responsibility of Subcommittee
C09.40 on Ready-Mixed Concrete.
Current edition approved Apr. 10, 2003. Published June 2003. Originally
e2 4
approved in 1933. Last previous edition approved in 2001 as C 94/C 94M–00 . Annual Book of ASTM Standards, Vol 11.01.
2 5
Annual Book of ASTM Standards, Vol 04.02. Available from American Concrete Institute, 38800 Country Club Drive,
3
Annual Book of ASTM Standards, Vol 04.01. Farmington Hills, MI 48331.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
C 94/C 94M – 03
A,B
TABLE 1 Recommended Total Air Content for Air-Entrained Concrete
Total Air C
...

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4.1 This test method is of primary significance in determining the acceptability of aggregate with respect to the requirements of Specification C33/C33M.
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1.1 This test method covers the approximate determination of clay lumps and friable particles in aggregates.  
1.2 The values stated in either SI units 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.
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SIGNIFICANCE AND USE
4.1 This practice provides for using an unbonded capping system in testing hardened concrete cylinders made in accordance with Practices C31/C31M or C192/C192M, or cores obtained in accordance with Test Method C42/C42M in lieu of the capping systems described in Practice C617/C617M.  
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ABSTRACT
This test method covers the determination of strength of cylindrical concrete specimens that have been molded in place using special molds attached to formwork. A concrete cylinder mold assembly consisting of a mold and a tubular support member is fastened within the concrete formwork prior to placement of the concrete. The elevation of the mold upper edge is adjusted to correspond to the plane of the finished slab surface. The mold support prevents direct contact of the slab concrete with the outside of the mold and permits its easy removal from the hardened concrete. Strength of cast-in-place cylinders may be used for various purposes, such as estimating the load-bearing capacity of slabs, determining the time of form and shore removal, and determining the effectiveness of curing and protection. Consolidation of concrete in the mold may be varied to simulate the conditions of placement. Internal vibration of concrete in the mold is prohibited except under special circumstances.
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5.1 Tests performed at the same location across a span of years may be used to detect a reduction of infiltration rate of the pervious concrete, thereby identifying the need for remediation.  
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SIGNIFICANCE AND USE
3.1 This practice describes procedures for providing plane surfaces on the ends of freshly molded concrete cylinders, hardened cylinders, or drilled concrete cores when the end surfaces do not conform with the planeness and perpendicularity requirements of applicable standards. Practice C1231/C1231M describes alternative procedures using unbonded caps or pad caps.
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ASTM C1621/C1621M-17(2023)(Test Method)
Standard Test Method for Passing Ability of Self-Consolidating Concrete by J-Ring

SIGNIFICANCE AND USE
5.1 This test method provides a procedure to determine the passing ability of self-consolidating concrete. This test method is applicable for laboratory use in comparing the passing ability of different concrete mixtures. It is also applicable in the field as a quality control test.  
5.2 The difference between the slump flow and J-Ring flow is an indication of the passing ability of the concrete. A difference less than 25 mm [1 in.] indicates good passing ability and a difference greater than 50 mm [2 in.] indicates poor passing ability. The orientation of the mold for the J-Ring test and for the slump flow test without the J-Ring shall be the same.  
5.3 This test method is limited to self-consolidating concrete with nominal maximum size of aggregate of up to 25 mm [1 in.].
SCOPE
1.1 This test method covers determination of the passing ability of self-consolidating concrete (SCC) by using the J-Ring in combination with a mold.  
1.2 The values stated in either SI units 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.  
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ASTM C173/C173M-23(Test Method)
Standard Test Method for Air Content of Freshly Mixed Concrete by the Volumetric Method

SIGNIFICANCE AND USE
4.1 This test method covers the determination of the air content of freshly mixed concrete. It measures the air contained in the mortar fraction of the concrete, but is not affected by air that may be present inside porous aggregate particles.  
4.1.1 Therefore, this is the appropriate test to determine the air content of concretes containing lightweight aggregates, air-cooled slag, and highly porous or vesicular natural aggregates.  
4.2 This test method requires the addition of sufficient isopropyl alcohol, when the meter is initially being filled with water, so that after the first or subsequent rollings little or no foam collects in the neck of the top section of the meter. If more foam is present than that equivalent to 2 % air above the water level, the test is declared invalid and must be repeated using a larger quantity of alcohol. Addition of alcohol to dispel foam any time after the initial filling of the meter to the zero mark is not permitted.  
4.3 The air content of hardened concrete may be either higher or lower than that determined by this test method. This depends upon the methods and amounts of consolidation effort applied to the concrete from which the hardened concrete specimen is taken; uniformity and stability of the air bubbles in the fresh and hardened concrete; accuracy of the microscopic examination, if used; time of comparison; environmental exposure; stage in the delivery, placement and consolidation processes at which the air content of the unhardened concrete is determined, that is, before or after the concrete goes through a pump; and other factors.
SCOPE
1.1 This test method covers determination of the air content of freshly mixed concrete containing any type of aggregate, whether it be dense, cellular, or lightweight.  
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The inch-pound units are shown in brackets. 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.  
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ASTM
ASTM C138/C138M-23(Test Method)
Standard Test Method for Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete

ABSTRACT
This test method covers determination of the density of freshly mixed concrete and gives formulas for calculating the unit weight, yield or relative yield, cement content, and air content of the concrete. Yield is defined as the volume of concrete produced from a mixture of known quantities of the component materials. The test method shall use the following apparatuses: balance or scale; tamping rod, which is a round straight steel rod having the tamping end rounded to a hemispherical tip; internal vibrator which may have rigid of flexible shafts, preferably powered by electric motors; measure, which is a cylindrical container made of steel or other suitable metal specified herein; strike-off plate; mallet; and scoop of a size large enough so each amount of concrete obtained from the sampling receptacle is representative and small enough so it is not spilled during placement in the measure.
SCOPE
1.1 This test method covers determination of the density (see Note 1) of freshly mixed concrete and gives formulas for calculating the yield, cement content, and air content of the concrete. Yield is defined as the volume of concrete produced from a mixture of known quantities of the component materials.  
1.2 The values stated in either SI units 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.
Note 1: Unit weight was the previous terminology used to describe the property determined by this test method, which is mass per unit volume.  
1.3 The text of this test method refers to notes and footnotes that provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of this standard.  
1.4 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 exposure.2)  
1.5 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.

  • Standard
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  • Standard
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