File Name: reinforced and prestressed concrete design to ec2 .zip
He has more than 40 years of experience in structural design and is a specialist in the analysis and design of reinforced and prestressed concrete structures. Professor Gilbert has taught successive generations of civil engineering students in Australia on subjects related to structural engineering, ranging from statics and structural analysis to the design of reinforced and prestressed concrete structures. His research activities are in the field of concrete structures, with a particular interest in serviceability.
Thank you for interesting in our services. We are a non-profit group that run this website to share documents. We need your help to maintenance this website. Please help us to share our service with your friends. Share Embed Donate. This page intentionally left blank Reinforced and Prestressed Concrete Analysis and design with emphasis on the application of AS Reinforced and Prestressed Concrete is the most comprehensive, up-to-the-minute text for students and instructors in civil and structural engineering, and for practising engineers requiring a full grasp of the latest Australian Concrete Structures Standard, AS Topics are presented in detail, covering the theoretical and practical aspects of analysis and design, with an emphasis on the application of AS The first major national code to embrace the use of high-strength concrete of up to MPa, the latest Standard also includes major technological upgrades, new analysis and design formulas, and new and more elaborate processes.
This text addresses all such advances, and features chapters on bending, shear, torsion, bond, deflection and cracking, beams, slabs, columns, walls, footings, pile caps and retaining walls, as well as prestressed beams and end blocks plus an exposition on strut-and-tie modelling. With an abundance of applied examples, Reinforced and Prestressed Concrete is an essential resource for both students and engineers in their continuing learning and professional education.
Instructors website www. The website will also provide updates resulting from amendments to the AS as they occur. Subject to statutory exception and to the provision of relevant collective licensing agreements, no reproduction of any part may take place without the written permission of Cambridge University Press.
First published in print format ISBN eBook EBL ISBN Paperback Cambridge University Press has no responsibility for the persistence or accuracy of urls for external or third-party internet websites referred to in this publication, and does not guarantee that any content on such websites is, or will remain, accurate or appropriate. Contents Preface Acknowledgements Notation Acknowledgements for tables and diagrams Acronyms and abbreviations page xvii xx xxi xxx xxxi Part I Reinforced concrete 1 Introduction 1.
Preface Most of the contents of this book were originally developed in the late s at the University of Wollongong, New South Wales. The contents were targeted towards third-year courses in reinforced and prestressed concrete structures. The book was believed useful for both students learning the subjects and practising engineers wishing to apply with confidence the then newly published Australian Standard AS In , further revisions were made to include the technical advances of AS In anticipation of the publication of the current version of AS , which was scheduled for , a major rewrite began early that year to expand on the contents and present them in two parts.
The effort continued into which produced in Part I Reinforced concrete, inter alia, the new chapters on walls, as well as on footings, pile caps and retaining walls, plus an appendix on strut-and-tie modelling. In addition, a new Part II has been written, which covers five new chapters on prestressed concrete. The entire manuscript was then thoroughly reviewed and revised as appropriate following the publication of AS in late December In line with the original aims, the book contains extensive fundamental materials for learning and teaching purposes.
It is also useful for practising engineers, especially those wishing to have a full grasp of the new AS This is important, as the contents have been updated and expanded significantly, and for the first time, provisions for concrete compressive strength up to MPa are included.
The increase in concrete strength has resulted in major changes to many of the analysis and design equations. Part I contains 11 chapters. An introduction to the design requirements and load combinations is given in Chapter 1, and the properties of and specifications for concrete and reinforcing steel are discussed in Chapter 2.
Chapter 3 presents, in detail, the bending analysis and design of rectangular beams, T-beams and other flanged sections. Some significant attention is given to doubly reinforced members. Deflection and crack control are considered in Chapter 4, which also features a section on the effects of repeated loading. Also presented is a unified crack-width formula for reinforced and prestressed beams.
Chapter 5 details transverse and longitudinal shear design, and Chapter 6 presents the design procedure for torsion. Bond and stress development are treated in xviii Preface Chapter 7, and Chapter 8 covers most of the practical aspects of slab analysis and design.
It also includes a separate section describing a design exercise that features the complete multiple-load case analysis of a three-storey flat-plate structure, as well as the detailed design of typical floor panels. Chapter 9 deals with the analysis and design of columns, including the treatment of arbitrary cross-sections using numerical and semi-graphical methods. The new Chapter 10 examines the use of relevant strength design formulas for walls subjected to vertical axial loads, as well as under combined axial and horizontal in-plane shear forces.
This is followed by the new Chapter 11, with an extensive and in-depth coverage of the design of wall and column footings, pile caps and retaining walls. Part II contains five chapters. Prestressed concrete fundamentals, including pre and post-tensioning processes, are introduced in Chapter Chapters 13 and 14 cover the critical stress state approach to the analysis and design of fully prestressed concrete flexural members, which ensures a crack-free and overstress-free service life for the members.
The ultimate strength analysis and design of fully and partially prestressed beams are dealt with in Chapter The final chapter Chapter 16 presents the design of end blocks for prestressing anchorages. Appendixes A and B present the formulas for computing the elastic neutral axes required in deflection analysis, and those for obtaining various critical punching shear perimeters used in flat plate design, respectively. The development of an integrated personal computer program package for the design of multistorey flat-plate systems is described in Appendix C.
This may be useful to the reader who has an interest in computer applications. Appendix D highlights the essence of the strut-and-tie modelling approach; it also reviews the advances made in this topic in recent years. Finally, the Australian Standard precast I-girders and super T-girders for prestressed concrete bridge construction are detailed in Appendix E.
In all of the chapters and appendixes, the major symbols used in AS are adopted. For ease of reading, a full notation is provided as well as a subject index. For the student learning the subject of reinforced and prestressed concrete, sufficient fundamentals and background information are provided in each of the chapters.
Most of the analysis and design equations are derived and presented in an explicit form. The practitioner of concrete engineering should find these equations easy to apply in their work. Illustrative and design examples are given throughout to assist the reader with the learning process and with their interpretation of the provisions of the Standard.
For the convenience of students and the teachers alike, a collection of tutorial problems is included at the end of each relevant chapter. To assist teachers using the book for concrete engineering-related courses, an electronic solution manual is available and posted on a secure website maintained and continuously updated by the authors.
Preface The book is suitable for use in a university degree course that covers the analysis and design of reinforced and prestressed concrete structures. Selected topics may also be adopted in a postgraduate course in concrete engineering.
The practising engineer wanting to apply the Australian Standard with confidence will also find the material helpful. In practice, the book can also serve as a reference manual for and user guide to AS Acknowledgements The authors are deeply indebted to Dr Jeung-Hwan Doh, Lecturer in Concrete and Structural Engineering at Griffith School of Engineering, for his meticulous efforts in transforming the manual corrections and additions to the original manuscript into an electronic version.
He also skilfully produced the first versions of many of the new drawings. Debbie also provided valuable editorial advice along the way. The authors are grateful for their kind efforts, without which the book would have taken much longer to appear. To the six unnamed reviewers from academia and the profession, the authors wish to extend their sincere thanks and appreciation for their support and constructive suggestions, which have helped enrich the contents of the book.
The contents of the Australian standard AS and allied Standards are extensively quoted in this book. The authors are especially grateful to SAI Global for the permission to reproduce some of the recommended design data in tabulated form and in figures.
Acknowledgements for tables and diagrams Page Tables 4. AS Concrete Structures, Tables 8. The Standard is available online at. Page Figure 8.
AS Concrete Structures. Page Table 8. Page Figure D. In line with European practices, it was a unified code covering reinforced and prestressed concrete structures. Limit state design philosophy was adopted in AS In practice, especially in strength design, engineers familiar with AS could make the changeover without too much difficulty.
Since , AS has been revised and updated three times and published consecutively at approximately six-year intervals as AS , AS and now AS the Standard. However, the limit state design philosophy remains unchanged in the latest version of the Standard in which Clause 2. A probabilistic-based analytical model was adopted to re-evaluate the reliability of the design procedure.
Instead, the new procedure was calibrated simply using designs based on the old AS code. In simplistic terms, the old and the new codes applied in parallel should lead to the same design.
Note also that in AS , which appeared in , N-grade or MPa steel was specified, leading to modifications in serviceability specifications and other consequential changes. This has resulted in modification to many of the design equations. Henceforth, unless otherwise specified, all procedures, clauses, terms, formulas, factors and so forth refer to those given in AS Since most of the recommended procedures for durability and fire resistance are empirical, they will not be dealt with in as much depth in this book.
Durability requirements mainly affect the choice of concrete strength and the provision of adequate concrete cover for reinforcement see also Section 1. The four exposure conditions originally specified in AS had been revised.
Minimum concrete strength grades and concrete covers for all except Classification U are detailed in Tables 4. Note that Classification C has been expanded into C1 and C2 in these tables. For Classification U, the designer is responsible for providing their own concrete strength and cover specifications appropriate to the desired design. Additional durability requirements for abrasion, freezing and thawing, and other environmental and chemical actions may be found in Clauses 4.
Design for fire resistance is achieved by providing adequate concrete cover. Recommendations are given in the form of tables and charts in Section 5 of the Standard. Chapter 1 Introduction Table 1.
For the same structure, there may be more than one live load see, for example, Clause 2.
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Graham H. Kim, Jai B. Lateral stiffness to the arch, an innovation that accommodates a shallow arch profile conducive to transportation erection Truss diagonals are absent, the vertical bridge-deck deflection is doubled, vertical. It contains learning objectives, slide-by-slide lecture notes, case studies, test useful for Civil engineers by McLean Stiffness matrix of an idealized Structure in a manner similar to substructuring to a PowerPoint slide deck related to 4.
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A reinforced concrete member of liquid retaining structure is designed on the usual principles ignoring tensile resistance of concrete in bending. Additionally it should be ensured that tensile stress on the liquid retaining. Tensile strength of concrete This excel sheet will make you able to calculate quantities for different concrete and steel structure members with this excel sheet you will calculate quantities for sand, cement and steel for beams, footings columns, beamed slabs, flat slab, and all other structural members. Design of Reinforced Concrete Jack C.
In the eurocode series of European standards EN related to construction , Eurocode 2: Design of concrete structures abbreviated EN or, informally, EC 2 specifies technical rules for the design of concrete , reinforced concrete and prestressed concrete structures, using the limit state design philosophy. It was approved by the European Committee for Standardization CEN on 16 April to enable designers across Europe to practice in any country that adopts the code. Concrete is a very strong and economical material that performs exceedingly well under compression. Its weakness lies in its capability to carry tension forces and thus has its limitations.
По приезде группу сразу же разделили. Все они подверглись проверке на полиграф-машине, иными словами - на детекторе лжи: были тщательно проверены их родственники, изучены особенности почерка, и с каждым провели множество собеседований на всевозможные темы, включая сексуальную ориентацию и соответствующие предпочтения. Когда интервьюер спросил у Сьюзан, не занималась ли она сексом с животными, она с трудом удержалась, чтобы не выбежать из кабинета, но, так или иначе, верх взяли любопытство, перспектива работы на самом острие теории кодирования, возможность попасть во Дворец головоломок и стать членом наиболее секретного клуба в мире - Агентства национальной безопасности.
К несчастью для Беккера, вместо неуклюжего такси Халохот обрел под ногами твердую почву. Спокойно подняв пистолет, он выстрелил. Пуля задела Беккера в бок, когда он уже почти обогнул угол здания. Он почувствовал это лишь после того, как сделал пять или шесть шагов. Сначала это напомнило сокращение мышцы чуть повыше бедра, затем появилось ощущение чего-то влажного и липкого. Увидев кровь, Беккер понял, что ранен. Боли он не чувствовал и продолжал мчаться вперед по лабиринтам улочек Санта-Круса.
АНБ, - подумал .
Однажды вечером на университетском представлении Щелкунчика Сьюзан предложила Дэвиду вскрыть шифр, который можно было отнести к числу базовых. Весь антракт он просидел с ручкой в руке, ломая голову над посланием из одиннадцати букв: HL FKZC VD LDS В конце концов, когда уже гасли огни перед началом второго акта, его осенило. Шифруя послание, Сьюзан просто заменила в нем каждую букву на предшествующую ей алфавите. Для расшифровки Беккеру нужно было всего лишь подставить вместо имеющихся букв те, что следовали непосредственно за ними: А превращалось в В, В - в С и так далее. Беккер быстро проделал это со всеми буквами.
Сьюзан как во сне читала и перечитывала эти строки. Затем дрожащими руками открыла следующее сообщение. ТО: NDAKOTAARA.
Было подсчитано, что для успешной атаки на стандартный ключ самому быстрому компьютеру АНБ - секретнейшему Крей-Джозефсону II - потребуется более девятнадцати лет. К тому времени когда компьютер разгадает пароль и взломает шифр, информация, содержащаяся в послании, утратит всякую ценность. Оказавшись в условиях подлинного разведывательного затемнения, АНБ выпустило секретную директиву, одобренную президентом Соединенных Штатов.
Он мертв? - спросил директор. - Да, сэр. Фонтейн понимал, что сейчас не время для объяснении.
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