ACI-SP-129-1991.pdf
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1、Copyright American Concrete Institute Provided by IHS under license with ACI Licensee=IHS Employees/1111111001, User=listmgr, listmgr Not for Resale, 03/05/2007 03:06:31 MSTNo reproduction or networking permitted without license from IHS -,-,- A C 1 SP-129 91 0662949 0517988 3T4 m Computer Analysis
2、of the Effects of Creep, Shrinkage, and Temperature Changes on Concrete Structures O O O O OQ 1 SP-129 C.C. Fu and M.D. Daye Editors Copyright American Concrete Institute Provided by IHS under license with ACI Licensee=IHS Employees/1111111001, User=listmgr, listmgr Not for Resale, 03/05/2007 03:06:
3、31 MSTNo reproduction or networking permitted without license from IHS -,-,- A C 1 SP-129 91 Ob62949 0537989 230 W DISCUSSION of individual papers in this symposium may be submitted in accordance with general requirements of the AC1 Publication Policy to AC1 headquarters at the address given below.
4、Closing date for submission of discussion is July 1, 1992. All discussion approved by the Technical Activities Committee along with closing remarks by the authors will be published in the JanuaryFebruary 1993 issue of either AC1 Structural Journal or AGI Materials Journal depending on the subject em
5、phasis of the individual paper. The Institute is not responsible for the statements or opinions 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
6、. The papers in this volume have been reviewed under Institute publication procedures by individuals expert in the subject areas of the papers. Copyright O 1991 AMERICAN CONCRETE INSTITUTE P.O. Box 19150, Redford Station Detroit, Michigan 48219 All rights reserved including rights of reproduction an
7、d use in any form or by any means, including the making of copies by any photo process, or by any electronic or mechanical device, printed or written or oral, or recording for sound or visual reproduction or for use in any knowledge or retrieval system or device, unless permission in writing is obta
8、ined from the copyright proprietors. Printed in the United States of America Editorial production Victoria Lunick Library of Congress catalog card number 91-76420 Copyright American Concrete Institute Provided by IHS under license with ACI Licensee=IHS Employees/1111111001, User=listmgr, listmgr Not
9、 for Resale, 03/05/2007 03:06:31 MSTNo reproduction or networking permitted without license from IHS -,-,- A C 1 SP-129 91 0662949 0537990 T52 PREFACE Since the AC1 Special Publication SP-76, “Design for Creep and Shrinkage in Concrete Structure, was published in 1982, the research and the number of
10、 publications on this subject have reached another peak over the last decade. With todays powerful computers and sophisticated testing methods, new formulation for predicting the structural response of concrete structures to creep and shrinkage of concrete are emerging. Actual structural behavior ca
11、n now be predicted by mathematical modeling of material behavior. In an effort to keep up with these technological advancements and be able to present the engineering community with a compilation of the latest work on the subject of creep and shrinkage in concrete, AC1 Committee 209 had arranged for
12、, and sponsored two technical sessions on the subject. Members of subcommittee I took charge of organizing the sessions. This special publication provides the means for better understanding of the important creep and shrinkage characteristics of concrete. The volume includes the papers presented at
13、the AC1 Convention held February 20 through 23, 1989, in Atlanta, Georgia. Two sessions titled “Creep, Shrinkage, and Temperature Change and Their Effects on Concrete Structures - Computer Analysis,“ sponsored by AC1 Committee 209, were held on Wednesday, February 22, 1989. Thirteen (13) papers by a
14、uthors from the United States, Australia, Belgium, Canada and Taiwan, R.O.C., were presented in these two sessions. The authors were ali requested to send their presented papers for this special publication. However, since three of the papers were not in ready-to-be-published form, they could not be
15、 included. The authors of the papers have covered a variety of topics. Cliern and his associates, from National Taiwan University, R.O.C., Contributed two papers. Their papers developed and explained the theoretical and experimental parts of the long term behavior of a railway bridge. Mickleborough
16、and Gilbert, from the University of New South Wales, Kensington, Australia, also contributed two papers about their experimental results for creep in reinforced and prestressed concrete columns. Besides these four papers, seven authors covered other interesting topics. In Part I, Espion and Halleux,
17、 from the University of Brussels, Belgium, present their findings on long term behavior of prestressed concrete 111 Copyright American Concrete Institute Provided by IHS under license with ACI Licensee=IHS Employees/1111111001, User=listmgr, listmgr Not for Resale, 03/05/2007 03:06:31 MSTNo reproduc
18、tion or networking permitted without license from IHS -,-,- A C 1 SP-129 91 0bb2949 0517991 939 m beams. Rangan, from the University of New South Wales, Kensington, Australia, uses the current Australian Code to evaluate the creep and shrinkage deflection of reinforced concrete members. His work sho
19、uld be of interest to those performing comparison of different practices. In the second session, Aswad, from Penn State University, Harrisburg, PA, U.S.A., illustrates and explains the rational and approximate methods for time-dependent deflection of prestressed concrete members. Meyers and Daye, fr
20、om Bechtel Power Company, Gaithersburg, MD, U.S.A., show their practice in predicting and testing for creep and shrinkage and the approach for incorporating the results in the design of prestressed concrete nuclear reactor containment buildings. With intensive step-by-step numerical calculation, Zar
21、ghamee and Heger, from Simpson, Gumpertz and Heger, Inc., and Dana, from Ameron, present a powerful way of computing stresses and strains for each state of prestressed concrete pipes. Last, but not least, Joo and Tadros, from the University of Nebraska-Lincoln, conducted the time-dependent analysis
22、for partially prestressed composite members. In all, the authors have presented the state-of-the-art advancement in the field of creep and shrinkage in concrete and their effect on structural behavior . The editors and members of AC1 Committee 209 give special thanks to all the authors for their val
23、uable contributions which made both the technical sessions and this publication possible. C.C. Fu and M.D. Daye Editors iv Copyright American Concrete Institute Provided by IHS under license with ACI Licensee=IHS Employees/1111111001, User=listmgr, listmgr Not for Resale, 03/05/2007 03:06:31 MSTNo r
24、eproduction or networking permitted without license from IHS -,-,- A C 1 SP-129 91 Ob62949 0517992 825 = AC1 Committee 209 Creep and Shrinkage in Concrete Maman A. Daye* Chairman, Committee 209 Chung C. Fu Chairman, Subcommittee I Domingo Carreira Zdenek P. Bazant Session Chairmen, Part I Pierre-Cla
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