ASTM C226 - 12

    Standard Specification for Air-Entraining Additions for Use in the Manufacture of Air-Entraining Hydraulic Cement

    Active Standard ASTM C226 | Developed by Subcommittee: C01.20

    Book of Standards Volume: 04.01


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    Abstract

    This specification covers deals with air-entraining additions for use in the manufacture of air-entraining hydraulic cement. The materials used are: cement, aggregates, and reference addition. The grading requirements for fine and coarse aggregates are specified. The following are the test methods for cement samples: chemical analysis of cement, determination of addition in the finished cement, fineness of cement, normal consistency, time of setting, autoclave expansion, air content of mortar, compressive strength of mortar, and length change of mortar. Concrete mixture preparation, weighing, proportions, and mixing methods are detailed. The test on plastic concrete is done in accordance with the following methods: consistency and unit weight and air content. The following are tests for hardened concrete: compressive strength, flexural strength, and resistance to freezing and thawing.

    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.

    1. Scope

    1.1 This specification covers the requirements and methods for establishing the suitability of a material for use as an air-entraining addition to be interground with the clinker in the manufacture of air-entraining hydraulic cement conforming to Specifications C150, C595, and C1157.

    1.2 The values stated in SI units are to be regarded as the standard.

    1.3 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 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 exposure. )


    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

    C33 Specification for Concrete Aggregates

    C39/C39M Test Method for Compressive Strength of Cylindrical Concrete Specimens

    C109/C109M Test Method for Compressive Strength of Hydraulic Cement Mortars (Using 2-in. or [50-mm] Cube Specimens)

    C114 Test Methods for Chemical Analysis of Hydraulic Cement

    C115 Test Method for Fineness of Portland Cement by the Turbidimeter

    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 Specification for Portland Cement

    C151 Test Method for Autoclave Expansion of Hydraulic Cement

    C175 Specification for Air-Entraining Portlant Cement; Replaced by C 150

    C185 Test Method for Air Content of Hydraulic Cement Mortar

    C187 Test Method for Amount of Water Required for Normal Consistency of Hydraulic Cement Paste

    C191 Test Methods for Time of Setting of Hydraulic Cement by Vicat Needle

    C192/C192M Practice for Making and Curing Concrete Test Specimens in the Laboratory

    C204 Test Methods for Fineness of Hydraulic Cement by Air-Permeability Apparatus

    C231 Test Method for Air Content of Freshly Mixed Concrete by the Pressure Method

    C293 Test Method for Flexural Strength of Concrete (Using Simple Beam With Center-Point Loading)

    C595 Specification for Blended Hydraulic Cements

    C596 Test Method for Drying Shrinkage of Mortar Containing Hydraulic Cement

    C666/C666M Test Method for Resistance of Concrete to Rapid Freezing and Thawing

    C1157 Performance Specification for Hydraulic Cement


    ICS Code

    ICS Number Code 91.100.10 (Cement. Gypsum. Lime. Mortar)

    UNSPSC Code

    UNSPSC Code 30111600(Cement and lime)


    DOI: 10.1520/C0226-12

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    ASTM C226

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