ASTM C915 - 79(2010)

    Standard Specification for Precast Reinforced Concrete Crib Wall Members

    Active Standard ASTM C915 | Developed by Subcommittee: C27.20

    Book of Standards Volume: 04.05


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    ASTM C915

    Abstract

    This specification covers open- and closed-face precast reinforced concrete crib wall members for earth-retaining structures or protection against stream encroachment. The concrete crib wall shall conform to the dimensions prescribed in this specification. Manufacturing materials shall include portland cement, aggregates, chemical admixtures, water, and steel reinforcement. Manufacturing shall conform to the procedures which include mixing, reinforcement-concrete placing, forming, curing, cleaning, oiling, and finishing. Compression tests shall be made on standard concrete cylinders and shall conform to the design strength indicated in this specification.

    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 open- and closed-face precast reinforced concrete crib walls intended to act as earth-retaining structures or as protection against stream encroachment.

    Note 1—This specification is a manufacturing and purchase specification only, with examples and suggestions for usage. Successful performance of this product depends on the proper selection and assembling of members, proper foundation and bearing material, and consideration of backfill heights, backfill material, drainage, and other engineering and construction considerations. The purchaser of the crib wall members specified herein is cautioned that he must properly correlate the field requirements with the members selected and provide adequate inspection at the construction site.

    1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.


    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

    A370 Test Methods and Definitions for Mechanical Testing of Steel Products

    A615/A615M Specification for Deformed and Plain Carbon-Steel Bars for Concrete Reinforcement

    A616/A616M Specification for Rail-Steel Deformed and Plain Bars for Concrete Reinforcement

    A617/A617M Specification for Axle-Steel Deformed and Plain Bars for Concrete Reinforcement

    C31/C31M Practice for Making and Curing Concrete Test Specimens in the Field

    C33 Specification for Concrete Aggregates

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

    C42/C42M Test Method for Obtaining and Testing Drilled Cores and Sawed Beams of Concrete

    C94/C94M Specification for Ready-Mixed Concrete

    C150 Specification for Portland Cement

    C173/C173M Test Method for Air Content of Freshly Mixed Concrete by the Volumetric Method

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

    C260 Specification for Air-Entraining Admixtures for Concrete

    C309 Specification for Liquid Membrane-Forming Compounds for Curing Concrete

    C330 Specification for Lightweight Aggregates for Structural Concrete

    C494/C494M Specification for Chemical Admixtures for Concrete

    C595 Specification for Blended Hydraulic Cements

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


    ICS Code

    ICS Number Code 91.100.30 (Concrete and concrete products)

    UNSPSC Code

    UNSPSC Code 30103619(Precast concrete element)


    DOI: 10.1520/C0915-79R10

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