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Exploration Of Ground Penetrating Radar And Time Domain Reflectometry Methods For The Determination Of Pavement Dielectric Constant, Baron W. Colbert
Exploration Of Ground Penetrating Radar And Time Domain Reflectometry Methods For The Determination Of Pavement Dielectric Constant, Baron W. Colbert
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Traditionally, densities of newly built roadways are checked by direct sampling (cores) or by nuclear density gauge measurements. For roadway engineers, density of asphalt pavement surfaces is essential to determine pavement quality. Unfortunately, field measurements of density by direct sampling or by nuclear measurement are slow processes. Therefore, I have explored the use of rapidly-deployed ground penetrating radar (GPR) as an alternative means of determining pavement quality. The dielectric constant of pavement surface may be a substructure parameter that correlates with pavement density, and can be used as a proxy when density of asphalt is not known from nuclear or …