1、 Second Printing, October 2003DISCUSSION of individual papers in this symposium may be submitted in accordancewith general requirements of the ACI Publication Policy to ACI headquarters at theaddress given below. Closing date for submission of discussion is June 2003. Alldiscussion approved by the T
2、echnical Activities Committee along with closing remarks bythe authors will be published in the September/October 2003 issue of either ACI StructuralJournal or ACI Materials Journal depending on the subject emphasis of the individualpaper.The Institute is not responsible for the statements or opinio
3、ns expressed in its publications.Institute publications are not able to, nor intended to, supplant individual training,responsibility, or judgment of the user, or the supplier, of the information presented.The papers in this volume have been reviewed under Institute publication procedures byindividu
4、als expert in the subject areas of the papers.Copyright 2002AMERICAN CONCRETE INSTITUTEP.O. Box 9094Farmington Hills, Michigan 48333-9094All rights reserved, including rights of reproduction and use in any form or by any means,including the making of copies by any photo process, or by any electronic
5、 or mechanicaldevice, printed or written or oral, or recording for sound or visual reproduction or for usein any knowledge or retrieval system or device, unless permission in writing is obtainedfrom the copyright proprietors.Printed in the United States of AmericaEditorial production: Bonnie L. SchmickLibrary of Congress catalog card number: 2002112515ISBN: 0-87031-086-0