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TransporTaTion research Board Washington, D.C. 2008 www.tRB.org Nat ioNal cooperat ive H igHway researcH program NCHRP syNtHesis 381 Research sponsored by the american association of state highway and transportation officials in Cooperation with the Federal highway administration Subject AreAS Pavement Design, Management and Performance, and Materials and Construction Falling Weight Deflectometer Usage A Synthesis of Highway Practice conSultAntS siRous alavi JeFFRey F. leCates and MiChael P. tavaRes sierra transportation engineers, inc. Reno, nevada
