Strategic highway research program projects are described that have been carried out under the innovations deserving exploratory analysis (idea) program and that relate to structures research. these projects included the following examples of technology: laser-inducedultrasonic wave measurements, ac impedance spectroscopy, conductingpolymer anode beds, and electroacoustic wave technology. this paperappears in transportation research record no. 1304, highway maintenance operations and research 1991.
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