A device for static and/or dynamic identification tests on foundation piles

This work describes the design and construction process of an experimental device for static and/or dynamic identification tests on foundation piles. The aim is to provide information on the behaviour of soil-pile systems subject to seismic action. The pr

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Series Editors: The Reetars Manuel Garcia Velarde - Madrid Mahir Sayir - Zurich Wilhelm Schneider - Wien

The Secretary General Bernhard Schrefler - Padua

Former Secretary General Giovanni Bianchi - Milan

Executive Editor Carlo Tasso- Udine

The series presents lecture notes, monographs, edited works and proceedings in the field of Mechanics, Engineering, Computer Science and Applied Mathematics. Purpose of the series is to make known in the international scientific and technical community results obtained in some of the activities organized by CISM, the International Centre for Mechanical Sciences.

INTERNATIONAL CENTRE FOR MECHANICAL SCIENCES COURSESAND LECTURES- No. 471

PROBLEMS IN STRUCTURAL IDENTIFICATION AND DIAGNOSTICS: GENERAL ASPECTS AND APPLICATIONS MURST Project n. MM08342598 - COFIN 2000 EDITEDBY CESARE DAVINI UNIVERSITY OF UDINE, ITALY ERASMO VIOLA UNIVERSITY OF BOLOGNA, ITALY

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Springer-Verlag Wien GmbH

This volume contains 131 illustrations

This work is subject to copyright. All rights are reserved, whether the whole or part of the material is concemed specifically those of translation, reprinting, re-use of illustrations, broadcasting, reproduction by photocopying machine or similar means, and storage in data banks. © 2003 by Springer-Verlag Wien Originally published by Springer-Verlag Wien New York in 2003 SPIN 10970591

In order to make this volume available as econornically and as rapidly as possible the authors' typescripts have been reproduced in their original forms. This method unfortunately has its typographicallirnitations but it is hoped that they in no way distract the reader.

ISBN 978-3-7091-2536-6 (eBook) ISBN 978-3-211-20492-4 DOI 10.1007/978-3-7091-2536-6

PREFACE

The dynamic techniques as a tool for structural identification and diagnostics have a consolidated tradition. They owe their appeal to the ability to convey a great mass of information with relatively modest experimental burden and, overall, to the fact that this can be done without suspending machines or structures from service. Thus, a direct assessment of their integrity is possible. Of course, these techniques have become a viable tool of structural analysis because of the remarkable progress in the acquisition and treatment of experimental data that has characterized the final decades of the last century. By all these reasons the dynamic techniques have long since attracted the interest of engineers in various areas, ranging from the aeronautical to civil applications, and with various purposes, including e.g. model validation, failure detection, noise analysis, vibration control, etc.. Today there are many journals and conferences dedicated to the subject. Some, such as the The International Seminar of Modal Analysis organized by the Katholieke Universiteit of Leuven, have become institutional occasions where to periodically compare work and experience or to share expertise gained in doing things. In Zooking at the research activity which has been developed along the years, one is surprised by the huge amou