Applicability of Radar Subsurface Profiling in Estimating Sidewalk Undermining

Report No: 79-R44

Published in 1979

About the report:

An evaluation was made of the applicability of the geophysical technique of radar subsurface profiling to estimating the extent of sidewalk undermining. It was found that there is a distinct difference between the observed radar echo patterns of a non-undermined sidewalk and those from an undermined sidewalk. Therefore, it is feasible to determine from the radar scan of a sidewalk the length of the sidewalk that is undermined. It is also feasible to determine the approximate depth of voids underneath an undermined sidewalk; however, this may sometimes be difficult to achieve. The approximate cost of surveying a sidewalk with the technique was also estimated.

Documents

79-R44

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Authors

G. G. Clemeña, Kenneth H. McGhee

Last updated: January 26, 2024