© fédération internationale du béton (fib), 2008.
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Connections are among the most essential parts in precast structures. Their performance
relates to the structural limit states, as well as to manufacture, erection and maintenance of the
structure itself. Proper design of connections is one major key to a successful prefabrication.
The literature on this matter mostly illustrates classical solutions, often well known, but an
explanation of a general design philosophy for the design of connections was necessary. In
fact, the engineer, confronted with particular problems in his daily practice, does not always
have the theoretical basis to find the most appropriate solutions.
fib Commission 6 “Prefabrication” therefore formed a Task Group – TG 6.2 – who drafted
this Guide to Good Practice with the goal of filling this gap. Its philosophy focuses on the
knowledge of the behaviour of a whole structure, of the mechanisms and paths of force
transfer within the connections and of their interaction with the structural members. Indeed,
such knowledge is the base for assessing the safety and reliability of usual types of
connections and to develop innovative design.
The Task Group has been working during several years, to collect and discuss information
and studies about the different aspects intervening in the design of structural connections for
precast concrete structures. The result is a voluminous document, with a comprehensive
survey of basic principles and design guidelines, illustrated by several examples of adequate
Throughout these years, the Commission, chaired by the undersigned persons, supported the
activity of the Task Group with comments and discussion. However the merit for the
finalization of the work into this Guide must be acknowledged as mainly due to the
tenaciousness of its Convener, Prof. Björn Engström of Chalmers University, Sweden.
More documents about Structures.