CALCIUM ALUMINATE CEMENTS

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2 CALCIUM ALUMINATE CEMENTS Proceedings of the International Symposium Held at Queen Mary and Westfield College, University of London, 9-11 July 1990, and dedicated to the late Dr H. G. Midgley Edited by R J Mangabhai TH Technology Ltd, R&D Centre E. & F.N. SPON An imprint of Chapman and Hall

3 First edition Chapman and Hall Printed in Great Britain at the University Press, Cambridge ISBN (HB) British Library Cataloguing in Publication Data A CIP catalogue record for this book is Available from the British Library

4 CONTENTS Preface Dr H. G. Midgley s papers on calcium aluminate cements List of abbreviations 1 High alumina cement in construction a future based on experience H. G. MIDGLEY PART ONE CLINKER 2 Effect of morphology on the hydration characteristics of high alumina cements I.N. CHAKRABORTY, S. NARAYANAN, D. VENKATESWARAN, S.K. BISWAS, A.K CHATTERJEE 3 High alumina cements based on calcium aluminate clinker with different phase compositions and sintering degrees J. SAWKOW PART TWO HYDRATION 4 Microstructural development in pastes of a calcium aluminate cement K. L. SCRIVENER, H.F.TAYLOR 5 Investigations of the composition of phases formed in low cement castables during hydration and after thermal treatment W. GESSNER, S. MӦHMEL, J. KIESER, M. HӒWECKER 6 Effect of temperature on setting time of calcium aluminate cements A. CAPMAS, D. SORRENTINO, D. DAMIDOT 7 The use of nuclear magnetic resonance (NMR) in the study of high alumina cement hydration D. J. GREENSLADE, D. J. WILLIAMSON

5 8 On the change of microstructure during the hydration of monocalcium aluminate at 20º and 50ºC W. GESSNER, R. TRETTIN, A. RETTEL, D. MÜLLER PART THREE ADMIXTURES 9 The influence of superplasticising admixtures on ciment fondu mortars S. M. GILL, P. F. G. BANFILL, B. EL-JAZAIRI 10 The effect of admixtures on the hydration of refractory calcium aluminate cements J. H. SHARP, S. M. BUSHNELL-WATSON, D.R. PAYNE, P.A. WARD 11 Properties of fresh mortars made with high alumina cement and admixtures for marine environment N. C. BAKER, P.F.G.BANFILL PART FOUR CALORIMETRY 12 Role of foreign cations in solution on the hydration of alumina cement M. MURAT, EL.H. SADOK 13 Calorimetric studies on high alumina cement in presence of chloride, sulphate and seawater solutions D. L. GRIFFITHS, A. N. F. AL-QASER, R. J. MANGABHAI PART FIVE DURABILITY 14 Manufacture and performance of aluminous cements - a new perspective C. M. GEORGE 15 Long-term performance of high alumina cement concrete in sulphate-bearing environments N. J. CRAMMOND 16 Behaviour of high alumina cement in chloride solutions W. KURDOWSKI, L. TACZUK, B. TRYBALSKA

6 17 Acidic corrosion of high alumina cement J-P BAYOUX, J-P LETOURNEUX, S. MARCDARGENT, M. VERSCHAEVE 18 The effect of limestone fillers on sulphate resistance of high alumina cement composites W. G PIASTA PART SIX BLENDED SYSTEMS 19 Hydration of calcium aluminates in presence of granulated blastfurnace slag A. J. MAJUMDAR, R.N. EDMONDS, B. SINGH 20 The effect of curing conditions on the hydration and strength development in fondu : slag C. H. FENTIMAN, S. RASHID, J-P BAYOUX, A. BONIN, M. TESTUD 21 The microstructure of blast furnace slag/high alumina cement pastes I. G. RICHARDSON, G. W. GROVES 22 Effect of microsilica on conversion of high alumina cement S. BENTSEN, A. SELTVEIT, B. SANDBERG 23 Study of hydration properties of aluminous cement and calcium phosphate mixes J-P BAYOUX, A. BONIN, S. MARCDARGENT, A. MATHIEU, M. VERSCHAEVE 24 Ettringite-based cements S. BROOKS, J. H. SHARP PART SEVEN MISCELLANEOUS 25 Effect of autoclaving on the strength of hardened calcium aluminate cements R. BAGGOTT, A SARANDILY 26 Effect of temperature rise on properties of high alumina cement grout S. A. JEFFERIS, R. J. MANGABHAI 27 Activation of hydraulic properties of the compound CaO.2Al 2 O 3 T. W. SONG. S.H. CHOI, K. S. HAN

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