Determination of the unknown length of a pile partially embedded in rock using induction logging testing in Brazil

Abstract:

The results of an electromagnetic test of recent application in Brazil, called induction-logging (IL) test, intended to determine the depth of a foundation element, will be presented in this article. The application has been conducted on a 250-mm diameter root-pile belonging to the foundations of a telecommunications tower located in São Paulo, Brazil. The estimated depth of the foundation element was obtained by the analysis of the results from the IL test, and was evaluated as ranging from 7.0 to 7.5 m, which was later verified to be in agreement with the design drawings for the pile. With respect to the induction logging test, more promising results might have been achieved had the borehole been located closer to the foundation element.


Reference:
SOUZA, Tiago de Jesus Souza; HEMSI, Paulo Scarano; GANDOLFO, Otávio Coaracy Brasil; RIBEIRO, Alex Fortunato. Determination of the unknown length of a pile partially embedded in rock using induction logging testing in Brazil. The Electronic Journal of Geotechnical Engineering, v.21, bund 16, p.5283-5292, 2016.


Access to the article on the Journal website:
www.ejge.com/2016/Ppr2016.0502ma.pdf

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