0Basic structural analysis second edition

Basic Structural Analysis (81 Units) Second Edition C S flEDDY Principal K S R M College of Engineering Cuddapah in memory of my parents © 1981, 1996, Tata McGraw-HiU Publishing Company Limited Sixth reprint 2002 RXDYYRQARALZR No part of this publication can be reproduced in any form or by any means without the prior written permission of the publishers This edition can be exported from India only by the publishers, Tata McGraw-HiU Publishing Company Limited ISBN 0-07-461366-4 Published by Tata McGraw-Hili Pub1ishing Company Limited, West Patel Nagar, New Delhi 110008, and printed at Ram BookBinding House, New Delhi 110020 Preface to the Second Edition Encouraged by the tremendous response to the first edition, this book has been revised keeping in mind the valuable suggestions received from the reviewers, publishers, readers and colleagues Keeping the basic approach of the first edition intact, the second edition has been written to make the book broad-based and gain wider acceptance amongst teachers and students Chapter on 'Theory of vectors and matrices' has now been removed from the main text and placed in Appendix A Chapter 7, 'Rolling loads-Influence lines' has been completely revised and a number of illustrative examples have been added for better conceptual understanding This edition incorporates new chapters on 'Cables and suspension bridges' (Chapter 8), 'Column analogy' (Chapter 14), and 'Plastic analysis of steel structures' (Chapter 18) Chapter 12 on 'Moment distribution methods' has been expanded by including topics like 'No sheer moment distribution, and adding concept building illustrative examples Chapters 17 and 18 on 'Flexibility and stiffness matrix methods of analysis' have been rewritten to include a large number of worked-out examples In these chapters, the emphasis has been laid on computer applications for which flow charts for flexibility and stiffness have been provided I hope that the above changes in the second edition will widen the scope of the book and meet the approval of the students, teachers and practising engineers Further suggestions for the improvement of the book are welcome In the end, I wish to express my sincere thanks to the publishers for their expert guidance in bringing out this revised edition I also appreciate the ardous effort of Shri K Subba Reddy in typing the manuscript C S REDDY Preface to the First Edition The use of computers for structural analysis has completely altered the method of presentation of structural theory While the student is expected to be familiar with this presentation, it is far more important that he understands the basic principles of ~tructural analysis This book endeavours to present in one volume, the classical as well as matrix methods if structural analysis It is expected that for sometime to come, the student win be required to study both these approaches, for the matrix methods are not very different from classical methods-the only difference is in the emphasis laid in formulating them so as to be suitable for computer programming An understand ing of the basic principles in both these methods necessarily requires the solving of simple problems using hand computations This book is intended for a course in structural analysis following the usual course in mechanics of solid or, as it is more commonly called, strength of materials It aims to provide a smooth transition from the classical approaches that are based on physical behaviour of structures in terms of their deflected shapes to a formal treatment of a general class of structures by means of matrix formulation Chapters I and deal with basic principles of structural analysis of simple structures using only equilibrium equations Chapter is devoted to the theory of vectors and matrices This review is intended to provide the background material for the analysis of space trusses in Chapter and matrix methods of structural analysis later in Chapters 14 to 17 Chapter deals with the analysis of plane trusses Chapters and deal with displacement calculations by geometric and energy methods respectively Chapter is devoted to the approximate analysis of statically indeterminate structures, while Chapter discusses the analysis for moving loads by influence lines Chapters 10 to 13 are devoted to the analysis of statically indeterminate structures using classical methods, such as consistent displacement, slopedeflection and moment distribution Kani's method is presented in some detail in Chapter I~ x Preface to the [