Using ground penetrating radar as an assessment methodology in roadway rehabilitation.

Author(s)
Popik, M. & Redman, D.
Year
Abstract

In assessing the existing condition of a pavement structure, locations of past maintenance activities are often overlooked, or concealed by rehabilitation activities such as mill and overlays. Potential problem areas may not be evident at the time of evaluation, and if ignored could increase the rate of deterioration of the pavement structure. Ground penetrating radar (GPR) can be used as a tool for assessing the condition of the pavement structure at locations of surface distress, as well as identifying locations of previous subsurface maintenance activities that are not visible at the surface of the pavement. This paper presents and discusses the subsurface imagery obtained from a GPR survey, identifies several potential subsurface problem areas, and describes the benefits of applying this technology as an assessment tool for the rehabilitation of roadways. For the covering abstract of the conference see ITRD number E211521.

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Publication

Library number
C 38388 (In: C 38346 CD-ROM) /61 / ITRD E211559
Source

In: Transportation without boundaries : proceedings of the 2006 annual conference and exhibition of the Transportation Association of Canada TAC, Charlottetown, Prince Edward Island, Canada, September 17-20, 2006, 15 p.

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