Autogenous Shrinkage of Concrete

424 Pages·1999·19.162 MB·\424

by  Ei-ichi Tazawa (Editor)

Autogenous Shrinkage
of Concrete

Autogenous Shrinkage
of Concrete
Proceedings of the International Workshop
organized by JCI (Japan Concrete Institute)
Hiroshima
June 13-14, 1998
Edited by
Ei-ichi Tazawa
Hiroshima University
Japan
Taylor &. Francis
Taylor & Francis Group
LONDON AND NEW YORK
First published 1999 by Taylor & Francis, an imprint of Routledge
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Simultaneously published in the USA and Canada
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© 1999 Taylor & Francis
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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
Autogenous shrinkage of concrete : proceedings of the international workshop, organised by the JCI
(Japan Concrete Institute),
Hiroshima, June 13-14, 1998 / edited by Ei-ichi Tazawa.
p. cm.
Includes bibliographical references and index.
1. Concrete—Expansion and contraction—Congresses. I. Tazawa, Eiichi, 1936- . II. Nihon
Konkurito Kogaku Kyokai.
TA440.A83 1999
620.1'361—dc21 98^15269
CIP
ISBN 0-419-23890-5
Publisher's Note
The publisher has gone to great lengths to ensure the quality of this reprint
but points out that some imperfections in the original may be apparent.
CONTENTS
Organizing Committee k
Task Committee k
Technical Committee on Autogenous Shrinkage of Concrete x
Organizer and Co-sponsors x
Preface xi
PART ONE COMMITTEE REPORT 1
Technical Committee on Autogenous Shrinkage of Concrete,
Japan Concrete Institute
1 Terminology 3
2 Autogenous shrinkage and its mechanism 9
2.1 Introduction 9
2.2 Concretes to which careful consideration should be given 9
concerning autogenous shrinkage
2.3 Chemical shrinkage and autogenous shrinkage 11
2.4 Mechanisms of autogenous shrinkage 13
2.5 Factors influencing autogenous shrinkage 15
2.6 Autogenous shrinkage and other volume changes 17
2.7 Reduction of autogenous shrinkage 21
3 Autogenous shrinkage stress and its estimation 27
3.1 Introduction 27
3.2 Test method for autogenous shrinkage stress 28
3.3 Method of prediction for autogenous shrinkage stress 28
4 Testing method 53
I Test method for chemical shrinkage of cement paste 53
II Test method for autogenous shrinkage and autogenous 56
expansion of cement paste, mortar and concrete
III Test method for autogenous shrinkage stress of concrete 60
Discussions 63
PART TWO CHEMICAL SHRINKAGE AND 69
AUTOGENOUS SHRINKAGE
1 The influence of cement characteristics on chemical shrinkage 71
H. Justnes, E.J. Sellevold, B. Reyniers, D. Van Loo, A. Van Gemert,
F. Verboven and D. Van Gemert
vi Contents
2 Experimental assessment of chemical shrinkage of hydrating cement pastes 81
S. Boivin, P. Acker, S. Rigaud and B. Clavaud
3 Relationships between autogenous shrinkage, and the microstructure 93
and humidity changes at inner part of hardened cement paste at early age
S. Hanehara, H. Hirao and H. Uchikawa
4 Shrinkage of high-performance concrete 105
B.S.M. Persson
Discussions 117
PART THREE AUTOGENOUS SHRINKAGE AND 121
MEASUREMENT
5 Evaluation and comparison of sealed and non-sealed shrinkage 123
deformation measurements of concrete
H. Hedlund and G. Westman
6 Autogenous shrinkage at very early ages 135
E.E. Holt and M. T. Leivo
7 Test methods for linear measurement of autogenous shrinkage 143
before setting
T.A. Hammer
8 Temperature effects on early age autogenous shrinkage in 155
high performance concretes
S.L. Mak, D. Ritchie, A. Taylor and R. Diggins
Discussions 167
PART FOUR EFFECT OF MATERIALS ON 173
AUTOGENOUS SHRINKAGE
9 Effect of chemical composition and particle size of fly ash on 175
autogenous shrinkage of paste
S. Tangtermsirikul
10 Influence of expansive additives on autogenous shrinkage 187
A. Hori, M. Morioka, E. Sakai and M. Daimon
11 Factors affecting the autogenous shrinkage of silica fume 195
high-strength concrete
J. J. Brooks, J.G. Cabrera and M.A. MegatJohari
12 Measurements of autogenous length changes by laser sensors 203
equipped with digital computer system
M. Morioka, A. Hori, H. Hagiwara, E. Sakai and M. Daimon
Contents vii
13 Chemical shrinkage of cement paste, mortar and concrete 211
H. Justnes, T. Hammer, B. Ardoullie, E. Hendrix, D. Van Gemert,
K. Overmeer and E.J. Sellevold
14 Effects of slag and fly ash on the autogenous shrinkage of 221
high performance concrete
Y. W. Chan, C. Y. Liu and Y.S. Lu
15 Experimental evaluation of autogenous shrinkage of 229
lightweight aggregate concrete
K. Takada, K. Van Breugel, E.A.B. Koenders andN. Kaptijn
Discussions 239
PART FIVE SEPARATION OF VOLUME CHANGE 243
COMPONENTS AND PREDICTION OF
SHRINKAGE
16 Thermal dilation-autogenous shrinkage: how to separate? 245
0. Bj0ntegaard and E.J. Sellevold
17 Autogenous shrinkage measurement 257
P.-C. Aitcin
18 Effect of constituents and curing condition on 269
autogenous shrinkage of concrete
E. Tazawa and S. Miyazawa
Discussions 281
PART SIX MODELING OF AUTOGENOUS SHRINKAGE 287
19 Modelling dimensional changes in low water/cement ratio pastes 289
E.A.B. Koenders and K. Van Breugel
20 A study on the hydration ratio and autogenous shrinkage of cement paste 299
K.B. Park, T. NoguchiandF. Tomosawa
21 Solidification model of hardening concrete composite for predicting 309
autogenous and drying shrinkage
R. T. Mabrouk, T. Ishida and K. Maekawa
22 Micro-physical approach to coupled autogenous and 319
drying shrinkage of concrete
T. Ishida, R.P. Chaube, T. Kishi and K. Maekawa
Discussions 331
viii Contents
PART SEVEN PREDICTION OF AUTOGENOUS SHRINKAGE 337
STRESS
23 Autogenous deformations and stress development in hardening concrete 339
H. Hedlund and G. Westman
24 Stresses due to autogenous shrinkage in high strength concrete 351
and its prediction
R. Sato, M. Xu and Y. Yang
25 The influences of quality of coarse aggregate on the 363
autogenous shrinkage stress in high-fluidity concrete
H. Matsushita and H. Tsuruta
26 Research of test method for autogenous shrinkage stress in concrete 375
Y. Ohno and T. Nakagawa
Discussions 383
PART EIGHT DISCUSSIONS AND CONCLUSIONS 385
8.1 Concluding Session 387
E. Tazawa
8.2 Suggestions on the terminology and the test methods proposed by JCI 397
(1) T.A. Hammer, H. Justnes, 0. Bj0ntegaard and E.J. Sellevold 397
(2) P. Acker, L. Barcelo, S. Boivin and V. Baroghel Bouny 398
(3) B.S.M. Persson 400
8.3 Result of questionnaire 401
8.4 Answer by the JCI Committee 405
Author index 407
Subject index 409
Organizing and Task Committees ix
ORGANIZINGCOMMITTEE
Chairman Ei-ichi Tazawa, Hiroshima University, Japan
Members Paul Acker, LAFARGE, France
Akthem Al-Manaseer, San Jose State University, USA
Pierre-Claude A'ftcin, University ofSherbrooke, Canada
Klaas van Breugel, Delft University of Technology, The Netherlands
Jeffery J. Brooks, University of Leeds, UK
Masaki Daimon, Tokyo Institute of Technology, Japan
Walter H. Dilger, The University of Calgary, Canada
Ellis Gartner, LAFARGE, France
Seishi Goto, Yamaguchi University, Japan
Hamlin Jennings, Northwestern University, USA
Harald Justnes, SINTEF, Norway
Markku Leivo, VTT Building Technology, Finland
Swee Liang Mak, CSIRO, Australia
Harald S. Muller, University of Karlsruhe, Germany
Bertil Persson, University of Lund, Sweden
Toyokazu Shiire, Kanagawa University, Japan
R. Springenschmid, Technical University of Munich, Germany
Fuminori Tomosawa, The University of Tokyo, Japan
Taketo Uomoto, The University of Tokyo, Japan
TASK COMMITTEE
Chairman Ryoichi Sato, Utsunomiya University
Vice-chairman Etsuo Sakai, Tokyo Institute of Technology
Secretary Shingo Miyazawa, Ashikaga Institute of Technology
Members Takao Chikada, Nippon Steel Chemical Co.
Hiroshi Hashida, Shimizu Co.
Shunsuke Hanehara, Chichibu Onoda Cement Co.
Keiichi Imamoto, Tokyu Construction Co.
Tetsuro Kasai, Tokai University
Tatsuya Numao, Ibaraki University
Yoshiteru Ohno, Osaka University
Shyuichi Okamoto, Taisei Co.
Kazunori Takada, Kajima Co.
Nobuhumi Takeda, Obayashi Co.
Ei-ichi Tazawa, Hiroshima University
Hiroyuki Tanano, Ministry of Construction
Rokuro Tomita, Nihon Cement Co.
Kazuyuki Torii, Kanazawa University
Nobuteru Yamamoto, Kyokuto Co.
Asuo Yonekura, Hiroshima University