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About This Item

 

Full Description

1.1 This test method covers the measurement of deflections of paved and unpaved surfaces with a falling-weight-type impulse load device. These devices are commonly referred to as falling-weight deflectometers or FWDs.

1.2 This test method describes the measurement of vertical deflection response of the surface to an impulse load applied to the pavement surface. Vertical deflections are measured on the load axis and at points spaced radially outward from the load axis.

1.3 The values stated in SI units are to be regarded as the standard.

1.4 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. A specific hazard statement is given in Section 6.

1.5 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.

 

Document History

  1. ASTM D4694-09(2020)

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    Standard Test Method for Deflections with a Falling-Weight-Type Impulse Load Device

    • Most Recent
  2. ASTM D4694-09(2015)


    Standard Test Method for Deflections with a Falling-Weight-Type Impulse Load Device

    • Historical Version
  3. ASTM D4694-09


    Standard Test Method for Deflections with a Falling-Weight-Type Impulse Load Device

    • Historical Version
  4. ASTM D4694-96(2003)


    Standard Test Method for Deflections with a Falling-Weight-Type Impulse Load Device

    • Historical Version
  5. ASTM D4694-96


    Standard Test Method for Deflections with a Falling-Weight-Type Impulse Load Device

    • Historical Version