Prestressed Concrete Design

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Prestressed Concrete Design


The purpose of this book is to explain the fundamental principles of design for
prestressed concrete structures, and it is intended for both students and practising
engineers. Although the emphasis is on design—the problem of providing a structure
to fulfil a particular purpose—this can only be achieved if the designer has a sound
understanding of the behaviour of prestressed concrete structures. This behaviour is
described in some detail, with references to specialist literature for further information
where necessary.
Guidance on the design of structures must inevitably be related to a code of practice
and the one followed here is Eurocode 2: Design of concrete structures, Part 1
General rules and rules for buildings, DD ENV 1992–1–1:1992 (referred to below as
EC2) which will supersede British Standard BS 8110:1985 Structural Use of Concrete
covering the design of the buildings. The main purpose of this second edition is to
outline the provisions of the new code as they relate to prestressed concrete design.

The code is intended for use throughout Europe, although some clauses which relate
specifically to practice in the UK are included in a National Application Document
which accompanies the code and which is followed here. However, engineers are now
able to design structures for acceptance in many countries other than their own. The
basic design philosophy contained in the earlier codes, that of limit state design, has
also been adopted in EC2 and the overall design of a given structure to the new code
will be similar to that according to BS8110. Other aspects of design covered in
BS8110 are yet to appear in EC2. In these cases reference is made to the relevant
provisions of BS8110.
Strictly speaking, Part 1 of EC2 is a draft of the full code. However, it is unlikely
that there will be any significant changes to Part 1 when the full code is finally
published.
Part 2 of EC2 will cover the design of prestressed concrete bridges. The basic
philosophy and nomenclature of Part 2 will be the same as Part 1. However, there will
be some differences of detail, such as the requirements for the serviceability limit
state

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