ASTM WK26800

    New Test Method for Asphalt Mixture Shear Measurement by the Gyratory Pressure Distribution Analyzer GPDA Method

    (What is a Work Item?)

    Developed by Subcommittee: D04.20 | Committee D04 | Contact Staff Manager


    1. Scope

    1.1This test method uses the Gyratory Pressure Distribution Analyzer (GPDA) Plate to measure the resistive forces of a bituminous mixture during compaction as a means to estimate mixture workability and stability.

    Use of this testing method is becoming more accepted. A standard procedure is needed for existing and new users to understand the proper measurement technique


    PDA; Shear Measurement

    The title and scope are in draft form and are under development within this ASTM Committee.

    Citing ASTM Standards
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    Work Item Status

    Date Initiated:

    Technical Contact:
    Ken Brown

    Draft Under Development