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Pavement Deflection Measurement - Dynamic, Phase II

Description: The development of the Impulse Index as an indicator of pavement condition has been previously described in a report of the College of Engineering Research Division of Washington State University entitled, "Pavement Deflection Measurement--Dynamic--A Feasibility Study, Final Report," June 1970, by Frank W. Brands, PE and John C. Cook, PE.

Implementation of automatic data acquisition using impulse testing requires the development of a mechanical device to set an instrument package on the pavement, deliver an impulse of energy, and retrieve the instrument package. This is to be done automatically with the vehicle proceeding down the highway. This report describes a test model built to facilitate the determination of data necessary for design of a prototype vehicle.

  • Date Published: June, 1971
  • Publication Number: WA-RD 3.2
  • Last Modified: July 20, 2007
  • Authors: Frank Brands, John C. Cook.
  • Originator: Washington State University. College of Engineering. Research Division.
  • # of Pages: 48 p., 855 KB (PDF)
  • Subject: Deflection, Dynamic tests, Evaluation, Impulse tests, Mathematical models, Pavement performance, Pavements, Test vehicles.
  • Keywords: Non-destructive testing, pavement condition, pavement evaluation, impulse testing, prototype vehicle.
  • Related Publications: Pavement Deflection Measurement - Dynamic: A Feasibility Study, (WA-RD 3.1).
    Deflection Measurement - Dynamic, Phase III, WSU Impulse Index Computer, Section I, (Suitcase), (WA-RD 3.3).
    Pavement Deflection Measurement - Dynamic, Phase III, Section II, (Vehicle), (WA-RD 3.4).
    Pavement Deflection Measurement – Dynamic, Phase II, Section II (Vehicle): Final Report, (WA-RD 3.4A).
    Pavement Deflection Measurement - Dynamic Phase IV: Final Report, (WA-RD 3.5).


This abstract was last modified April 29, 2008