Experimental inversion for lateral-rocking impedance matrix

B. B. Guzina, R. Y.S. Pak

Research output: Contribution to journalArticlepeer-review


In the modeling of dynamic soil-foundation-structure interaction, a key component is an accurate determination of the dynamic foundation impedance matrix for a particular site. In this paper, the feasibility and problems in inverting experimental test measurements to obtain the lateral-rocking impedance functions are discussed. It is shown mathematically that the success of the experimental method depends sensitively on the structural and testing configuration employed. A numerical simulation of the underlying issues is provided as illustration.

Original languageEnglish (US)
Pages (from-to)1294-1306
Number of pages13
JournalGeotechnical Special Publication
Issue number75 II
StatePublished - Dec 1 1998


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