Backcalculation of Anisotropic Pavement Properties using Time History of Embedded Gauge Readings

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Abstract

An instrumented asphalt pavement was built at the INDOT/Purdue accelerated pavement testing facility. The construction processes induced preferred aggregate orientation and lock-in of horizontal stresses, resulting in mechanical anisotropy. This anisotropy is investigated by means of inverse analysis. The pavement system is modeled as a linear elastic transversely-isotropic layered halfspace; anisotropic properties are back-calculated using the time history of all embedded gauge readings, collected during one load pass. The experiment and analysis method are presented; results are compared with the isotropic case and discussed.
Original languageEnglish
Title of host publicationAsphalt Material Characterization, Accelerated Testing, and Highway Management : Selected Papers from the 2009 GeoHunan International Conference
PublisherAmerican Society of Civil Engineers
Publication date2009
Pages79-85
ISBN (Print)978-0-7844-1042-4
Publication statusPublished - 2009
Externally publishedYes
EventGeoHunan International Conference 2009 - Changsha, China
Duration: 3 Jul 20096 Jul 2009

Conference

ConferenceGeoHunan International Conference 2009
CountryChina
CityChangsha
Period03/07/200906/07/2009

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