TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 381: Falling Weight Deflectometer Usage examines usage by state departments of transport of the falling weight deflectometer (FWD) to measure pavement deflections in response to a stationary dynamic load, similar to a passing wheel load.
National Research Council. NCHRP Synthesis 381: Falling Weight Deflectometer Usage. Washington, DC: The National Academies Press, 2008.
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