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    ASTM C858 - 19

    Standard Specification for Underground Precast Concrete Utility Structures

    Active Standard ASTM C858 | Developed by Subcommittee: C27.10

    Book of Standards Volume: 04.05

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    This specification covers the recommended design criteria and manufacturing practices for monolithic or sectional precast concrete utility structures. Forms shall be accurately constructed and strong enough to maintain the structure's dimensions within the tolerances. Forms shall be cleaned before each use. The aggregates shall be sized, graded, proportioned, and thoroughly mixed in a batch mixer with proportions of cement and water as will produce a homogeneous concrete having the required specified compressive strength. Concrete shall be deposited as nearly as practicable in its final position. Structures shall be cured by an accepted industry method that will develop the required 28-day compressive strength without affecting the long-term durability of the concrete. The elastic method of structural design or the strength design method of reinforced concrete design, shall be used to design the concrete sections, including the reinforcement required, when the structure is subjected to the specified loading conditions. The structural design shall take into consideration the number, placement, and size of access openings. The minimum floor thickness resulting from slope shall be considered as the nominal floor thickness in the design of the structure. Duct terminators, knockouts, and sumps shall be designed to carry the loads imposed upon them. Compressive-strength of the concrete shall be tested to meet the requirements prescribed. Joints in sectional precast concrete structure shall be designed so as to be self-aligning when assembling sections of the structure. Design of lifting devices shall conform to requirements specified.

    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 recommended design criteria and manufacturing practices for monolithic or sectional precast concrete utility structures. Concrete pipe and box culverts are not covered under this specification. Also, precast concrete manholes covered in Specification C478 are excluded from this specification.

    1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered 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

    A184/A184M Specification for Welded Deformed Steel Bar Mats for Concrete Reinforcement

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

    A706/A706M Specification for Deformed and Plain Low-Alloy Steel Bars for Concrete Reinforcement

    A996/A996M Specification for Rail-Steel and Axle-Steel Deformed Bars for Concrete Reinforcement

    A1064/A1064M Specification for Carbon-Steel Wire and Welded Wire Reinforcement, Plain and Deformed, for Concrete

    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

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

    C94/C94M Specification for Ready-Mixed Concrete

    C150/C150M Specification for Portland Cement

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

    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

    C478 Specification for Circular Precast Reinforced Concrete Manhole Sections

    C494/C494M Specification for Chemical Admixtures for Concrete

    C595/C595M Specification for Blended Hydraulic Cements

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

    C857 Practice for Minimum Structural Design Loading for Underground Precast Concrete Utility Structures

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

    C1802 Specification for Design, Testing, Manufacture, Selection, and Installation of Fabricated Metal Horizontal Access Hatches for Utility, Water, and Wastewater Structures

    American Concrete Institute Standard

    ACI 318 Building Code Requirements for Reinforced Concrete Available from American Concrete Institute (ACI), P.O. Box 9094, Farmington Hills, MI 48333-9094, http://www.aci-int.org.

    ICS Code

    ICS Number Code 91.100.30 (Concrete and concrete products)

    UNSPSC Code

    UNSPSC Code 30103619(Precast concrete element); 95121800(Utility buildings and structures)

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

    DOI: 10.1520/C0858-19

    Citation Format

    ASTM C858-19, Standard Specification for Underground Precast Concrete Utility Structures, ASTM International, West Conshohocken, PA, 2019, www.astm.org

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