Non-Destructive Evaluation of Installed Soil Nails
Soil nailed retaining walls are used
extensively by the Texas Department of Transportation (TxDOT).
Although most of these soil nailed walls have performed
satisfactorily, occasional failures have occurred. The
researchers examined the soil nail grout integrity problem from
two different perspectives. The first involved the development
of a non-destructive test (NDT) technique that could be used to
detect any defects that may be present in a grouted soil nail.
The second involved a study of construction variables (such as
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Priyantha W. Jayawickrama, Ph.D.