The Modelling of Microstructure and its Potential for Studying Transport Properties and Durability PDF
Preview The Modelling of Microstructure and its Potential for Studying Transport Properties and Durability
The Modelling of Microstructure and Its Potential for Studying Transport Properties and Durability NATO ASI Series Advanced Science Institutes Se ries ASeries presenting the results of activities sponsored by the NA TO Science Committee, which aims at the dissemination of advanced scientific and technological knowledge, with a view to strengthening links between scientific communities. The Se ries is published by an international board of publishers in conjunction with the NATO Scientific Affairs Division A Llfe Sclences Plenum Publishing Corporation B Physlcs London and New York C Mathematlcal and Physlcal Sclences Kluwer Academic Publishers D Behavloural and Soclal Sclences Dordrecht, Boston and London E Applled Sclences F Computer and Systems Sclences Springer-Verlag G Ecologlcal Sclences Berlin, Heidelberg, New York, London, H Cell Blology Paris and To kyo I Global Envlronmental Change PARTNERSHIP SUB-SERIES 1. Dlsarmament Technologles Kluwer Academic Publishers 2. Environment Springer-Verlag / Kluwer Academic Publishers 3. High Technology Kluwer Academic Publishers 4. Sclence and Technology Pollcy Kluwer Academic Publishers 5. Computer Networklng Kluwer Academic Publishers The Partnership Sub-Series incorporates activities undertaken in collaboration with NA TO's Cooperation Partners, the countries o( the CIS and Central and Eastern Europe, in Priority Areas o( concern to those countries. NATO-PCO-DATA BASE The electronic index to the NATO ASI Series provides full bibliographical references (with keywords and/or abstracts) to more than 50000 contributions from international scientists published in all sections of the NATO ASI Series. Access to the NATO-PCO-DATA BASE is possible in two ways: - via online FILE 128 (NATO-PCO-DATA BASE) hosted by ESRIN, Via Galileo Galilei, 1-00044 Frascati, Italy. - via CD-ROM "NATO-PCO-DAT A BASE" with user-friendly retrieval software in English, French and German (© WTV GmbH and DATAWARE Technologies Inc. 1989). The CD-ROM can be ordered through any member of the Board of Publishers or through NATO PCO, Overijse, Belgium. Serles E: Applled Sclences -Vol. 304 The Modelling of Microstructure and Its Potential for Studying Transport Properties and Durability edited by Hamlin Jennings Departments of Civil Engineering, and Materials Science and Engineering, Northwestern University, Evanston, IIlinois, U.SA Jörg Krapp Labor für Baustofftechnologie, Hochschule Bremen, Bremen, Germany and Karen Scrivener Imperial College, London, UK now at Lafarge, Laboratoire Central de Recherche, Saint Quentin, France Springer-Science+Business Media, B.V. Proceedings of the NATO Advanced Research Workshop on The Modelling of Microstructure and Its Potential for Studying Transport Properties and Durability Saint-Remy-Ies-Chevreuse, France July 10-13, 1994 A C.I.P. Catalogue record for this book is available from the Library of Congress. ISBN 978-90-481-4653-6 ISBN 978-94-015-8646-7 (eBook) DOI 10.1007/978-94-015-8646-7 Printed on acid-free paper All Rights Reserved © 1996 Springer Science+Business Media Dordrech Originally published by Kluwer Academic Publishers in 1996. Softcover reprint ofthe hardcover 1st edition 1996 No part of the material protected by this copyright notice may be reproduced or utilized in any form or by any means, electronic or mechanical, including photo copying, recording or by any information storage and retrieval system, without written permission from the copyright owner. CONTENTS Dedication Xl Preface xiii Acknowledgement XVI INTRODUCTION Modelling Research for Concrete Engineering byG.M.Idom 3 Modelling and Materials Science of Cement-Based Materials Part I: An Overview by HM. Jennings, J. Hsieh, R. Srinivasan, S. Jaiswal, M. Garci, D. Sohn, C. Hinners, S. Heppner, and C.M. Neubauer 29 PART I: MODELLING PORE STRUCTURE Seale and Resolution ofModels At What Scale Do Homogeneous Phenomena Become Localized: The Necessary and Sufficient Magnification by V. Johansen and N. Thaulow 65 Models for Prediction of Microstructural Development in Cement-Based Materials by K. Van Breugel 91 Multiscale Models: A Tool to Describe the Porosity of Cement-Based Materials and to Predict Their Transport Properties by J.F. Daian, Ke Xu, and D. Quenard 107 A Scaling Model of the Microstructural Evolution in C S/C-S-H Pastes 3 by R. Maggion, S. Bonnamy, P. Levitz and H Van Damme 137 Effect of Mineralogy of Fillers on the Cement Hydration by B. Lagerblad and K.O. Kjellsen 157 VI Spatial Distributions Application of Digital-Image-Based Models to Microstructure, Transport Properties, and Degradation of Cement-Based Materials by D.P. Bentz, EJ. Garboczi, and N.S. Martys 167 Modelling and Materials Science of Cement-Based Materials Part 11: Recent Developments by H.M. Jennings, Y. Xi, Z.P. Bazant, M. Yang, and C.M. Neubauer 187 Simulation of Effects of Small Inert Grains on Cement Hydration and Its Contact Surfaces by P. Navi and C. Pignat 227 Texture and Moisture Characterization of Hardened Cement Pastes and Concretes from Water Vapour Sorption Measurements by V. Baroghel-Bouny and T. Chaussadent 241 Influence of Silica Fume on the Pore Structure of Mortar When Measured by Water Vapour Sorption Isotherms by E. Helsing Atlassi 257 Databases and Expert Systems Expert Systems and Database Systems by H.W. Reinhardt and G.B. Funk 271 PART 1I: TRANSPORT MECHANISMS AND DURABILITY Transport Mechanisms Transport Mechanisms in Porous Materials-An Introduction to Their Basic Laws and Correlations by L.-O. Nilsson and L. Tang 289 Relationships Between Transport Properties and Compressive Strength of Concrete by J.P. Ollivier, M. Massat and M.P. Ys sorche 313 vii Effects of Curing on the Gas Permeability of Cover Concrete by HW. Reinhardt and Abebe Dinku 325 Effect of Ageing on Pore Structure and Permeability of Cementitious Materials by P. Distler and J. Kropp 339 Permeability and Sorptivity Response of Concretes to Variations in Early-Age Curing-Implications for Durability Specifications by Y. Ballim 351 Correlation Between the Transport Properties of the Transition Zone and Hs Mineral Composition and Microstructure by D. Breton and G. BaIlivy 361 Modified Microstructure via Chemical Activation of Ferrite and Aluminate Phases in Portland Cement-Based Formulations Repartition of Crystalline and Noncrystalline Phases vs. Cementitious Properties by W. Schwarz 373 Major Parameters AjJecting Transport Mechanisms Influence of Environmental Parameters Upon Permeation in Concrete by L. Parrott 399 Neural Networks for Predicting the Deterioration of Concrete Structures by N.R. Buenfeld and N.M. Hassanein 415 Effect of Moisture Content on the Porosity and Transport Parameters ofConcrete by F. Ehrenberg, F.S. RosUisy, and U. Diederichs 433 Effect of Moisture in Concrete on Fluid Absorption by M. Sosoro and HW. Reinhardt 443 viii Corrosion Mechanisms and Parameters Corrosion Mechanisms of Concrete and Their Relevant Transport Proc es ses by 1. Kropp 457 Durability Design Based on Models for Corrosion Rates by C. Andrade and C. Alonso 473 Prediction of Service Life of New and Existing Concrete Structures On the Need for Models and Materials Parameters by M.R. Geiker and S. Rostam 493 Predicting the Service Life of Concrete Exposed to Frost Action Through a Modelling ofthe Water Absorption Process in the Air-Pore System by G. Fagerlund 503 A Numerical Method for Prediction of Chloride Penetration Into Concrete Structures by L. Tang and L.-O. Nilsson 539 Decreasing the Penetration of Organic Liquids Into Concrete by Using Active Additions by H. Grube 553 INDEX 557 Professor Peter L}1ll1 Pratt
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