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    ASTM D6270 - 20

    Standard Practice for Use of Scrap Tires in Civil Engineering Applications

    Active Standard ASTM D6270 | Developed by Subcommittee: D34.03

    Book of Standards Volume: 11.04

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    Significance and Use

    4.1 This practice is intended for use of scrap tires including: tire-derived aggregate (TDA) comprised of pieces of scrap tires, TDA/soil mixtures, tire sidewalls, and whole scrap tires in civil engineering applications. This includes use of TDA and TDA/soil mixtures as lightweight embankment fill; lightweight retaining wall backfill; drainage layers for roads, landfills, and other applications; thermal insulation to limit frost penetration beneath roads; insulating backfill to limit heat loss from buildings; vibration damping layers for rail lines; and replacement for soil or rock in other fill applications. Use of whole scrap tires and tire sidewalls includes construction of retaining walls, drainage culverts, road-base reinforcement, and erosion protection, as well as use as fill when whole tires have been compressed into bales. It is the responsibility of the design engineer to determine the appropriateness of using scrap tires in a particular application and to select applicable tests and specifications to facilitate construction and environmental protection. This practice is intended to encourage wider utilization of scrap tires in civil engineering applications.

    4.2 Three TDA fills with thicknesses in excess of 7 m have experienced a serious heating reaction. However, more than 100 fills with a thickness less than 3 m have been constructed with no evidence of a deleterious heating reaction (1).7 Guidelines have been developed to minimize internal heating of TDA fills (2) as discussed in 6.11. The guidelines are applicable to fills less than 3 m thick. Thus, this practice should be applied only to TDA fills less than 3 m thick.

    1. Scope

    1.1 This practice provides guidance for testing the physical properties, design considerations, construction practices, and leachate generation potential of processed or whole scrap tires in lieu of conventional civil engineering materials, such as stone, gravel, soil, sand, lightweight aggregate, or other fill materials.

    1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

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

    ASTM Standards

    C127 Test Method for Relative Density (Specific Gravity) and Absorption of Coarse Aggregate

    C136/C136M Test Method for Sieve Analysis of Fine and Coarse Aggregates

    D698 Test Methods for Laboratory Compaction Characteristics of Soil Using Standard Effort (12,400 ft-lbf/ft3 (600 kN-m/m3))

    D1557 Test Methods for Laboratory Compaction Characteristics of Soil Using Modified Effort (56,000 ft-lbf/ft3 (2,700 kN-m/m3))

    D1566 Terminology Relating to Rubber

    D2434 Test Method for Permeability of Granular Soils (Constant Head)

    D2974 Test Methods for Determining the Water (Moisture) Content, Ash Content, and Organic Material of Peat and Other Organic Soils

    D3080/D3080M Test Method for Direct Shear Test of Soils Under Consolidated Drained Conditions

    D4253 Test Methods for Maximum Index Density and Unit Weight of Soils Using a Vibratory Table

    D5681 Terminology for Waste and Waste Management

    D7760 Test Method for Measurement of Hydraulic Conductivity of Materials Derived from Scrap Tires Using a Rigid Wall Permeameter

    F538 Terminology Relating to the Characteristics and Performance of Tires

    American Association of State Highway and Transportation Officials Standards

    M288 Standard Specification for Geotextiles Standard Specifications for Transportation Materials and Methods of Sampling and Testing, Part I: Specifications , American Association of State Highway and Transportation Officials, Washington, DC.

    U.S. Environmental Protection Agency Standard

    Method 1311

    ICS Code

    ICS Number Code 83.160.01 (Tyres in general)

    UNSPSC Code

    UNSPSC Code 11140000(Scrap and waste materials)

    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/D6270-20

    Citation Format

    ASTM D6270-20, Standard Practice for Use of Scrap Tires in Civil Engineering Applications, ASTM International, West Conshohocken, PA, 2020, www.astm.org

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