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Publication Number: FHWA-RD-01-090
Date: June 2001

Phenomenology Study of HERMES Ground Penetrating Radar Technology for Detection and Identification of Common Bridge Deck Features

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Abstract:

This report documents the findings of a phenomenology study that analyzes the performance of HERMES ground-penetrating radar technology. HERMES technology was designed for the evaluation of concrete bridge deck deterioration, with a particular emphasis on the detection of corrosion- induced delaminations. 

HERMES technology was developed by Lawrence Livermore National Laboratory through a cooperative research agreement with the Federal Highway Administration (FHWA). Research funds for the project were provided by the FHWA and recently a State pooled fund has been established to continue funding system improvements. 

This report will be of interest to bridge engineers, designers, and inspectors who are involved with the evaluation of our Nation's highway bridges.

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