Damage Models and Algorithms for Assessment of Structures under Operating Conditions [Law & Zhu 2009-09-17].pdf

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Damage Models and Algorithms
for Assessment of Structures
under Operating Conditions
© 2009 Taylor & Francis Group, London, UK
Structures and Infrastructures Series
ISSN 1747-7735
Book Series Editor:
Dan M. Frangopol
Professor of Civil Engineering and
Fazlur R. Khan Endowed Chair of Structural Engineering and Architecture
Department of Civil and Environmental Engineering
Center for Advanced Technology for Large Structural Systems (ATLSS Center)
Lehigh University
Bethlehem, PA, USA
Volume 5
© 2009 Taylor & Francis Group, London, UK
Damage Models andAlgorithms
forAssessment of Structures
under Operating Conditions
Siu-Seong Law
1
and Xin-Qun Zhu
2
1
Civil and Structural Engineering Department, Hong Kong Polytechnic
University, Kowloon, Hong Kong
2
School of Engineering, University of Western Sydney, Australia
© 2009 Taylor & Francis Group, London, UK
Colophon
Book Series Editor
:
Dan M. Frangopol
Volume Authors:
Siu-Seong Law & Xin-Qun Zhu
Cover illustration:
Spatial mathematical model of the Tsing Ma Suspension Bridge Deck.
Taylor & Francis is an imprint of the Taylor & Francis Group,
an informa business
© 2009 Taylor & Francis Group, London, UK
Typeset by Charon Tec Ltd (A Macmillan company), Chennai, India
Printed and bound in Great Britain by Antony Rowe (a CPI Group company),
Chippenham, Wiltshire
All rights reserved. No part of this publication or the information
contained herein may be reproduced, stored in a retrieval system,
or transmitted in any form or by any means, electronic, mechanical,
by photocopying, recording or otherwise, without written prior
permission from the publishers.
Although all care is taken to ensure integrity and the quality of this
publication and the information herein, no responsibility is
assumed by the publishers nor the author for any damage to the
property or persons as a result of operation or use of this
publication and/or the information contained herein.
British Library Cataloguing in Publication Data
A catalogue record for this book is available from the British Library
Library of Congress Cataloging-in-Publication Data
Law, S. S.
Damage models and algorithms for assessment of structures under
operating conditions / S.S. Law and X.Q. Zhu.
p. cm. — (Structures and infrastructures series, ISSN 1747-7735 ; v. 5)
Includes bibliographical references.
ISBN 978-0-415-42195-9 (hardcover : alk. paper) — ISBN 978-0-203-87087-7
(e-book : alk. paper) 1. Structural failures—Mathematical models. 2. Buildings—
Evaluation—Mathematics. I. Zhu, X. Q. II. Title. III. Series.
TA656.L39 2009
624.1 71015118 — dc22
2009017893
Published by: CRC Press/Balkema
P.O. Box 447, 2300 AK Leiden,The Netherlands
e-mail: Pub.NL@taylorandfrancis.com
www.crcpress.com – www.taylorandfrancis.co.uk – www.balkema.nl
ISBN13 978-0-415-42195-9(Hbk)
ISBN13 978-0-203-87087-7(eBook)
Structures and Infrastructures Series: ISSN 1747-7735
Volume 5
© 2009 Taylor & Francis Group, London, UK
Table of Contents
Editorial
About the Book Series Editor
Preface
Dedication
Acknowledgements
About the Authors
XIII
XV
XVII
XXI
XXIII
XXV
Chapter 1
1.1
Introduction
1
1
1
1
3
3
4
4
4
5
5
5
6
6
1.2
1.3
1.4
1.5
Condition monitoring of civil infrastructures
1.1.1 Background to the book
1.1.2 What information should be obtained from the structural health
monitoring system?
General requirements of a structural condition assessment algorithm
Special requirements for concrete structures
Other considerations
1.4.1 Sensor requirements
1.4.2 The problem of a structure with a large number of
degrees-of-freedom
1.4.3 Dynamic approach versus static approach
1.4.4 Time-domain approach versus frequency-domain approach
1.4.5 The operation loading and the environmental effects
1.4.6 The uncertainties
The ideal algorithm/strategy of condition assessment
Chapter 2 Mathematical concepts for discrete inverse problems
2.1
2.2
Introduction
Discrete inverse problems
2.2.1 Mathematical concepts
2.2.2 The ill-posedness of the inverse problem
9
9
9
9
10
© 2009 Taylor & Francis Group, London, UK

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