Skip to contentUnited States Department of Transportation - Federal Highway AdministrationSearch FHWAFeedback


Publication Details

Falling Weight Deflectometer Calibration Center and Operational Improvements: Redevelopment of The Calibration Protocol and Equipment

Research/Reference: useful for researchers doing further work in the pavement area as well as those developing improved testing and design procedures. Includes documents of historical value.

Primary Topic: Pavement Evaluation

Description: This report details the critical updates to the Strategic Highway Research Program falling weight deflectometer (FWD) calibration procedure. This has led to the revision of the American Association of State Highway and Transportation Officials R32-09 calibration procedure.(1) The report describes the procedural improvements and provides information on how to calibrate an FWD according to the updated procedure.

FHWA Publication Number: FHWA-HRT-07-040

Publication Year: 2011

Document Links: HTML  PDF (file size: 11 mb)

PDF files can be viewed with the Acrobat® Reader®

View Pavement Publications

Updated: 02/20/2015

United States Department of Transportation - Federal Highway Administration