Precast Concrete Structures Second Edition by Kim S.Elliott.
Contents:
1 What is precast concrete
2 Materials used in precast structures
3 Precast frame analysis
4 Precast concrete floors
5 Precast concrete beams
6 Precast concrete columns
7 Shear walls
8 Horizontal floor diaphragms
9 Joints and connections
10 Beam and column connections
11 Ties in precast concrete structures
12 Design exercise for 10-storey precast skeletal frame
For 14 years since the publication of the first edition of this book (April 2002), precast concrete elements and structures have become
(i) Taller (36-storey skeletal frame, Belgium,) and 54-storey wall frame (the Netherlands)
(ii) Longer (50 m long prestressed concrete beams,)
(iii) Deeper (1000 mm deep prestressed hollow core floor units produced in Italy in 2014)
(iv) Shallower (span/depth ratio approaching 40 for prestressed composite and continuous beams)
(v) Stronger (grade C90/105 used in columns in buildings)
Also, they have generally become more ambitious and creative in terms of integrating structural engineering and architecture, using semi-rigid connections to enhance frame stability in 10-storey sway frames, using high-strength hidden connections up to about 700 kN, applying automation and robotics in manufacturing, and using recycled concrete as aggregates, PFA, GGBS, reclaimed mixing water from cement slurry and sustainable materials. At a recent seminar chaired by myself on behalf of the fibUK Group, David Scott, FREng, of Laing O’Rourke, made his angle on prefabrication as ‘Concrete in the Age of Digital Enlightenment’.
These advancements have been complimented by an increase in the available literature, not only from myself (Goodchild, Webster & Elliott 2009, Elliott & Jolly 2013) but also from other books from Germany, Brazil, United Kingdom, and several excellent bulletins from fib Commission 6 on Prefabrication, together with 8 European product standards covering a wide range precast concrete elements (hollow core floor slabs, walls, stairs, etc.).
Structural design engineers have never had it so good, and yet the important knowledge and understanding concerning the behaviour of precast concrete structures continues to remain the same, as the author mentioned in the preface of his book Multi-Storey Precast Concrete Framed Structures (Elliott 1996), a ‘black box’. Even our critics now acknowledge that the realm of precast concrete and off-site manufacture of building components and systems in steel, timber, plastics, etc., has taken major steps forwards in the past 15 years; but there is still work to do beyond the textbook. Seminars on precast concrete are seldom organised, and teaching in universities or technical colleges is almost non-existent (apart from Belgium, the Netherlands, Scandinavia and odd pockets elsewhere). Whilst our second edition of the book Multi-Storey Precast Concrete Framed Structures (Elliott & Jolly 2013) was aimed at the already accomplished structural concrete designer, this book is once again intended for undergraduate, postgraduate and young structural engineers. Hopefully this book will be used as an accompanying text (it will never form a core text in today’s UK syllabus) to undergraduate courses in concrete structures. With one or two exceptions, the author does not find precast concrete being taught in the United Kingdom; it’s still perceived as a specialist building system. He is frustrated by this – he finds himself advising postgraduate students to study in Delft or Eindhoven in the Netherlands or at the FEBE organised courses in Belgium (Hasselt, Ghent, ECAM Institut Supérieur Industriel Brussels), leading to an MSc in Precast Concrete, or even with Prof. Marcelo Ferriera in Brazil in order to gain a sound background in this subject. My own half-day seminars to two-day workshops have been organised worldwide (16 countries) from South Korea (Figure 5) to Malaysia, South Africa, Brazil and Europe, but now that those events have ceased there in an even bigger gap in the exposure to design and good practice, particularly for young/30-something structural engineers.
This book aims to fill many of these shortcomings. It is based on the Eurocodes (EC0, EC1, EC2 and briefly EC3) and where relevant the EC Product Standards (e.g. pulling in of tendons and splitting stresses in hollow core slabs in EN 1168). Finding the relevant clauses in Eurocode EC2 can be a nightmare; for example, (a) the service loading and permissible service stress in prestressed concrete in tension for exposure XC1 (so clearly given in BS 8110) requires clauses 7.3.2.(4), 7.3.2(2) and Table 3.1; (b) iteration is necessary, for example, slenderness checks on columns require the area of steel, ω in clause 5.8.3.1, to be known before the design can commence; and (c) it requires 26 clauses and/or equations in Chapters 3, 5 and 10 and Appendix B to determine the total losses of prestress. This book pieces everything together, both strategically throughout the chapters and logically in the text and via the design examples. Although the chapters follow the same sequence as in the first edition, a new feature is introduced, that is, the complete design of a 10-storey precast concrete framed building (Chapter 12). This focuses on stability, sway due to imperfections in the frame and floor diaphragm, load combinations and component design. It might (if they wish) be worth to study this chapter first (without necessarily having background knowledge on the design techniques) to appreciate the procedures that make up the entity and to consequently work through the chapters in sequence.
” Kim S.Elliott”.
About The Author:
Dr. Kim S. Elliott is a consultant to the precast industry in the United Kingdom and Malaysia. He was senior lecturer in the School of Civil Engineering at Nottingham University, United Kingdom, from 1987 to 2010 and was formerly at Trent Concrete Structures Ltd., United Kingdom. He is a member of fib Commission 6 on Prefabrication where he has made contributions to six manuals and technical bulletins, and he is the author of the book MultiStorey Precast Concrete Framed Structures (1996, 2013) and co-authored the Concrete Centre’s Economic Concrete Frame Manual (2009). He was chairman of the European research project COST C1 on Semi-Rigid Connection in Precast Structures (1992–1999). He has lectured on precast concrete structures 45 times in 16 countries worldwide (including Malaysia, Singapore, South Korea, Brazil, South Africa, Barbados Austria, Poland, Portugal, Spain, Scandinavia and Australia) and at 30 UK universities.
Book Details:
⏩Edition: 2nd edition
⏩Author: Dr. Kim S. Elliott
⏩Puplisher: CRC Press
⏩Puplication Date: November 22, 2016
⏩Language: English
⏩Pages: 733
⏩Size: 21.1 MB
⏩Format: PDF
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