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Detecting interlayer delamination in asphalt airport pavements using strain gage instrumentation systems

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Item Summary

Title:Detecting interlayer delamination in asphalt airport pavements using strain gage instrumentation systems
Authors:Cook, Karissa K.
Keywords:interlayer delamination
asphalt airport pavements
strain gage instrumentation systems
Date Issued:Dec 2014
Publisher:[Honolulu] : [University of Hawaii at Manoa], [December 2014]
Abstract:Slippage failures can be found in asphalt airport pavement areas where aircraft brake and turn, such as high-speed exits, as a result of high surface shear forces. At the intersection of Runway 4R-22L and High-Speed Taxiway N (HST-N) at Newark Liberty International Airport (EWR), interlayer delamination was determined to be the cause of slippage failure. In 2012, an asphalt strain gage system developed by the Federal Aviation Administration (FAA) National Airport Pavement Test Facility (NAPTF) was installed to detect the delamination. Delamination was successfully detected by the instrumentation installed at EWR Runway 4R-22L near the intersection of HST-N, by identifying large discrepancies in strain responses between gages installed in the upper and lower layers of pavement. Strain responses are shown to be affected by aircraft speed, temperature at the interface, and time, while statistical analysis confirms that the delamination measurements used are significant.
Description:M.S. University of Hawaii at Manoa 2014.
Includes bibliographical references.
Rights:All UHM dissertations and theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission from the copyright owner.
Appears in Collections: M.S. - Civil and Environmental Engineering

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