Reinforced Concrete Design_ to Eurocode 2 7th ed. 2012 Edition

Reinforced concrete design to Eurocode Other bestselling titles from Palgrave Macmillan Reinforced Concrete Design to Eurocode seventh edition Bill Mosley Formerly Senior Teaching Fellow, Nanyang Technological Institute, Singapore John Bungey Emeritus Professor of Civil Engineering, University of Liverpool, UK Ray Hulse Formerly Associate Dean, Faculty of Engineering and Computing, Coventry University, UK # W H Mosley and J H Bungey 1976, 1982, 1987, 1990 # W H Mosley, J H Bungey and R Hulse 1999, 2007, 2012 All rights reserved No reproduction, copy or transmission of this publication may be made without written permission No portion of this publication may be reproduced, copied or transmitted save with written permission or in accordance with the provisions of the Copyright, Designs and Patents Act 1988, or under the terms of any licence permitting limited copying issued by the Copyright Licensing Agency, Saffron House, 6-10 Kirby Street, London EC1N 8TS Any person who does any unauthorised act in relation to this publication may be liable to criminal prosecution and civil claims for damages The authors have asserted their rights to be identified as the authors of this work in accordance with the Copyright, Designs and Patents Act 1988 First published 2012 by PALGRAVE MACMILLAN Palgrave Macmillan in the UK is an imprint of Macmillan Publishers Limited, registered in England, company number 785998, of Houndmills, Basingstoke, Hampshire RG21 6XS Palgrave Macmillan in the US is a division of St Martin’s Press LLC, 175 Fifth Avenue, New York, NY 10010 Palgrave Macmillan is the global academic imprint of the above companies and has companies and representatives throughout the world Palgrave1 and Macmillan1 are registered trademarks in the United States, United Kingdom, Europe and other countries ISBN-13: 978–0–230–30285–3 paperback This book is printed on paper suitable for recycling and made from fully managed and sustained forest sources Logging, pulping and manufacturing processes are expected to conform to the environmental regulations of the country of origin A catalogue record for this book is available from the British Library A catalog record for this book is available from the Library of Congress 10 21 20 19 18 Printed in China 17 16 15 14 13 12 Dedicated to all our families for their encouragement and patience whilst writing this text This page intentionally left blank vii Contents Preface Acknowledgements Notation Introduction to design and properties of reinforced concrete 1.1 1.2 1.3 1.4 1.5 1.6 1.7 Design processes Composite action Stress–strain relations Shrinkage and thermal movement Creep Durability Specification of materials Limit state design 2.1 2.2 2.3 2.4 2.5 Limit states Characteristic material strengths and characteristic loads Partial factors of safety Combination of actions Global factor of safety Analysis of the structure at the ultimate limit state 3.1 3.2 3.3 3.4 3.5 3.6 Actions Load combinations and patterns Analysis of beams Analysis of frames Shear wall structures resisting horizontal loads Redistribution of moments Analysis of the section 4.1 4.2 4.3 4.4 Stress–strain relations Distribution of strains and stresses across a section in bending Bending and the equivalent rectangular stress block Singly reinforced rectangular section in bending at the ultimate limit state page x xii xiii 11 15 16 16 20 21 22 23 28 32 33 34 35 36 43 53 58 63 64 65 67 68 viii Contents 4.5 Rectangular section with compression reinforcement at the ultimate limit state 4.6 Flanged section in bending at the ultimate limit state 4.7 Moment redistribution and the design equations 4.8 Bending plus axial load at the ultimate limit state 4.9 Rectangular–parabolic stress block 4.10 Triangular stress block Shear, bond and torsion 5.1 5.2 5.3 5.4 Shear Anchorage bond Laps in reinforcement Analysis of section subject to torsional moments Serviceability, durability and stability requirements 6.1 6.2 6.3 6.4 6.5 6.6 6.7 6.8 Detailing requirements Span–effective depth ratios Calculation of deflection Flexural cracking Thermal and shrinkage cracking Other serviceability requirements Limitation of damage caused by accidental loads Design and detailing for seismic forces Design of reinforced concrete beams 7.1 7.2 Preliminary analysis and member sizing Design for bending of a rectangular section with no moment redistribution 7.3 Design for bending of a rectangular section with moment redistribution 7.4 Flanged beams 7.5 One-span beams 7.6 Design for shear 7.7 Continuous beams 7.8 Cantilever beams, corbels and deep beams 7.9 Curtailment and anchorage of reinforcing bars 7.10 Design for torsion 7.11 Serviceability and durability requirements Design of reinforced concrete slabs 8.1 8.2 8.3 8.4 8.5 8.6 8.7 8.8 8.9 Shear in slabs Span–effective depth ratios Reinforcement details Solid slabs spanning in one direction Solid slabs spanning in two directions Flat slab floors Ribbed and hollow block floors Stair slabs Yield line and strip methods 72 77 84 88 96 98 104 105 117 121 123 129 130 140 142 154 159 163 166 171 176 178 180 185 189 193 194 198 204 210 212 216 217 218 224 225 226 231 236 244 250 253 Contents Column design 9.1 9.2 9.3 9.4 9.5 9.6 9.7 9.8 Loading and moments Column classification and failure modes Reinforcement details Short columns resisting moments and axial forces Non-rectangular sections Biaxial bending of short columns Design of slender columns Walls 10 Foundations and retaining walls 10.1 10.2 10.3 10.4 10.5 10.6 10.7 10.8 Pad footings Combined footings Strap footings Strip footings Raft foundations Piled foundations Design of pile caps Retaining walls 11 Prestressed concrete 11.1 11.2 11.3 11.4 11.5 Principles of prestressing Methods of prestressing Analysis of concrete section under working loads Design for the serviceability limit state Analysis and design at the ultimate limit state 12 Water-retaining structures 12.1 12.2 12.3 12.4 12.5 Scope and principles Joints in water-retaining structures Reinforcement details Basements and underground tanks Design methods 13 Composite construction 13.1 13.2 13.3 13.4 13.5 13.6 The design procedure Design of the steel beam for conditions during construction The composite section at the ultimate limit state Design of shear connectors Transverse reinforcement in the concrete flange Deflection checks at the serviceability limit state Appendix Further reading Index 261 262 263 267 269 279 282 285 289 292 296 303 307 308 311 312 316 320 331 333 334 336 341 365 381 382 385 388 389 390 407 410 411 414 419 423 426 431 442 444 ix ... 72 77 84 88 96 98 104 105 117 121 123 129 130 140 1 42 154 159 163 166 171 176 178 180 185 189 193 194 198 20 4 21 0 21 2 21 6 21 7 21 8 22 4 22 5 22 6 23 1 23 6 24 4 25 0 25 3 Contents Column design 9.1 9 .2. .. reinforcement in the concrete flange Deflection checks at the serviceability limit state Appendix Further reading Index 26 1 26 2 26 3 26 7 26 9 27 9 28 2 28 5 28 9 29 2 29 6 303 307 308 311 3 12 316 320 331 333 334.. .Reinforced concrete design to Eurocode Other bestselling titles from Palgrave Macmillan Reinforced Concrete Design to Eurocode seventh edition Bill Mosley Formerly