ASTM D2924 - 12

    Standard Test Method for External Pressure Resistance of “Fiberglass” (Glass-Fiber-Reinforced Thermosetting-Resin) Pipe

    Active Standard ASTM D2924 | Developed by Subcommittee: D20.23

    Book of Standards Volume: 08.03


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    Significance and Use

    5.1 The values obtained by this test method are applicable only to conditions that specifically duplicate the procedures used.

    5.2 After a scaling constant is determined for one diameter, this may be used for calculating the external failure pressures of other diameters as long as the resin and reinforcement (if used), the wall thickness-to-diameter ratio, and the reinforcement pattern (if reinforcement is used) are the same.

    Note 3Based upon tests conducted on one size of pipe, a scaling constant is calculated according to 10.1 or 10.2. The appropriate constant is used to calculate failure pressure for other pipe diameters, but it can only be applied if the same resin and reinforcement are used, the wall thickness to diameter ratios are similar, and the reinforcement pattern is constant.

    5.3 In the application of the following test requirements and recommendations, care must be exercised to ensure that the specimens tested are truly representative of the group being studied.

    1. Scope

    1.1 This test method covers determination of the resistance of fiberglass pipe to external pressure. It classifies failures as buckling, compressive, and leaking. Both glass-fiber-reinforced thermosetting-resin pipe (RTRP) and glass-fiber-reinforced polymer mortar pipe (RPMP) are fiberglass pipes.

    Note 1For the purposes of this standard, polymer does not include natural polymers.

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

    Note 2There is no similar or equivalent ISO 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.


    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

    D618 Practice for Conditioning Plastics for Testing

    D883 Terminology Relating to Plastics

    D1600 Terminology for Abbreviated Terms Relating to Plastics

    F412 Terminology Relating to Plastic Piping Systems


    ICS Code

    ICS Number Code 23.040.20 (Plastic pipes)

    UNSPSC Code

    UNSPSC Code


    DOI: 10.1520/D2924-12

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