Location of Solution Channels and Sinkholes at Dam Sites and Backwater Areas by Seismic Methods: Part I

Vincent P. Drnevich, S. R. Smith & E. P. Cleveland
Abstract: The basic concepts associated with the sledge hammer seismic refraction survey are reviewed and a modified version called down hole shooting is discussed. The latter method has distinct advantages for rock surface profiling. These include: calibration at the end points of the survey, measurement of vertical wave propagation velocities directly, and having a refracted wave ray path for almost the entire survey length. The down hole shooting seismic refraction survey has been simulated with...
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