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Hybrid experiments on non-linear earthquake-induced soil-structure interaction

✍ Scribed by Kenzo Toki; Tadanobu Sato; Junji Kiyono; Nozar Kishi Garmroudi; Susumu Emi; Masaaki Yoshikawa

Publisher
John Wiley and Sons
Year
1990
Tongue
English
Weight
741 KB
Volume
19
Category
Article
ISSN
0098-8847

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✦ Synopsis

Non-linear seismic soil-structure interaction is studied through a hybrid procedure using the pseudo-dynamic testing (PDT) method which is modified to take into account frequency dependence and developed for foundation-soil systems. The numerical scheme used in conventional PDT is improved by introduction of a time-dependent pseudo-forcing function which is derived from frequency-dependent dynamic characteristics of the system by means of Hilbert transformation in the frequency domain. Surface, shallow and caisson foundation models that differed in size and depth of embedment were used. The mechanical characteristics of the systems were determined from static and forced vibration dynamic tests. An amplitude scaling technique was used for three recorded accelerograms.

πŸ“œ SIMILAR VOLUMES

A hybrid time frequency domain formulati
A hybrid time frequency domain formulation for non-linear soil-structure interaction
✍ Bernal, Dionisio; Youssef, Akram πŸ“‚ Article πŸ“… 1998 πŸ› John Wiley and Sons 🌐 English βš– 139 KB πŸ‘ 1 views

Methods that combine frequency and time domain techniques offer an attractive alternative for solving Soil-Structureinteraction problems where the structure exhibits non-linear behaviour. In the hybrid-frequency-time-domain procedure a reference linear system is solved in the frequency domain and th