ASTM C94 / C94M - 14a

    Standard Specification for Ready-Mixed Concrete

    Active Standard ASTM C94 / C94M | Developed by Subcommittee: C09.40

    Book of Standards Volume: 04.02


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    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.

    This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

    Significance and Use

    1. Scope

    1.1 This specification covers ready-mixed concrete as defined in 3.2.2. 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 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 the safety concerns, 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. (Warning—Fresh hydraulic cementitious mixtures are caustic and may cause chemical burns to skin and tissue upon prolonged use.2)


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    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

    C330/C330M Specification for Lightweight Aggregates for Structural Concrete

    C494/C494M Specification for Chemical Admixtures for Concrete

    C567/C567M Test Method for Determining Density of Structural Lightweight Concrete

    C595/C595M Specification for Blended Hydraulic Cements

    C618 Specification for Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use in Concrete

    C637 Specification for Aggregates for Radiation-Shielding Concrete

    C989/C989M Specification for Slag Cement for Use in Concrete and Mortars

    C1017/C1017M Specification for Chemical Admixtures for Use in Producing Flowing Concrete

    C1064/C1064M Test Method for Temperature of Freshly Mixed Hydraulic-Cement Concrete

    C1077 Practice for Agencies Testing Concrete and Concrete Aggregates for Use in Construction and Criteria for Testing Agency Evaluation

    C1157/C1157M Performance Specification for Hydraulic Cement

    C1240 Specification for Silica Fume Used in Cementitious Mixtures

    C1602/C1602M Specification for Mixing Water Used in the Production of Hydraulic Cement Concrete

    C1611/C1611M Test Method for Slump Flow of Self-Consolidating Concrete

    Other Documents

    NIST105-1 National Institute of Standards and Technology Handbook

    ACI Documents

    211.1 Standard Practice for Selecting Proportions for Normal, Heavyweight, and Mass Concrete

    211.2 Standard Practice for Selecting Proportions for Structural Lightweight Concrete

    301 Standard Specifications for Structural Concrete

    305R Guide to Hot Weather Concreting

    306R Guide to Cold Weather Concreting

    318 Building Code Requirements for Structural Concrete and Commentary


    ICS Code

    ICS Number Code 91.100.30 (Concrete and concrete products)

    UNSPSC Code

    UNSPSC Code 30111505(Ready mix concrete)


    DOI: 10.1520/C0094_C0094M-14A

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