Piezo film technology and applications in geotechnical testing

Juan C. Santamarina*, Toufic N. Wakim, Andrew G. Tallin, Fazle Rab, John Wong

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Piezo films are thin, piezoelectric membranes that can be used both as source or as receiver. They may be adapted to a variety of in situ and laboratory geotechnical testing needs. This paper summarizes fundamental concepts in piezo film technology and the physical properties of this material. The principles behind common utilizations are reviewed, and three geotechnical applications are described: a low-cost field sensor and modified triaxial and oedometer cells to measure low-strain moduli in resonant and pulse mode.

Original languageEnglish (US)
Pages (from-to)363-370
Number of pages8
JournalGeotechnical Testing Journal
Volume14
Issue number4
DOIs
StatePublished - Jan 1 1991

ASJC Scopus subject areas

  • Geotechnical Engineering and Engineering Geology

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