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BASIC STRUCTURAL THEORY
This book introduces the basic equations of the theory of struc-
tures. Conventional presentations of these equations follow the ideas
of elastic analysis, introduced nearly two hundred years ago. The
present text is written against the background of advances made in
structural theory during the last fifty years, notably by the introduc-
tion of the so-called plastic theory. Tests on real structures in the
twentieth century revealed that structural states predicted by elas-
tic analysis cannot in fact be observed in practice, whereas plastic
ideas can be used to give accurate estimates of strength. Strength
is discussed in the first part of this book without reference to equa-
tions of elastic deformation. However, the designer is concerned also
with stiffness, for which elastic analysis is needed, and the standard
equations (suitable, for example, for computer programming) are
presented. Finally, stability is analyzed, which again is essentially an
elastic phenomenon, and it is shown that a higher factor of safety
is required to guard against buckling than is required to guaran-
tee straightforward strength. The emphasis throughout this book is
on the derivation and application of the structural equations, rather
than on details of their solution (nowadays best done by computer),
and the numerical examples are deliberately kept simple.
Jacques Heyman is former Head of the Department of Engineering
at the University of Cambridge and the author of fourteen books,
including
The stone skeleton, Elements of the theory of structures,
Structural analysis: a historical approach, Elements of stress analysis
and the two-volume set,
Plastic design of frames: Volume 1, Funda-
mentals
and
Volume 2, Applications,
with Lord Baker. He is a Fellow
of the Society of Antiquaries, the Institution of Civil Engineers and
the Royal Academy of Engineering, and an Honorary Fellow of the
Royal Institute of British architects. He was a consulting engineer
for a number of English cathedrals and a member of the Architec-
tural Advisory Panel for Westminster Abbey and the Cathedrals
Fabric Commission for England. He also has served on many British
Standards committees. Professor Heyman’s
The stone skeleton
won
the Choice Outstanding Academic Books Award in 1996.
Books by the author
Plastic design of portal frames
Beams and framed structures
Plastic design of frames
(2 volumes)
Coulomb’s memoir on statics
Equilibrium of shell structures
Elements of stress analysis
The masonry arch
The stone skeleton
Elements of the theory of structures
Arches, vaults and buttresses
Structural analysis: a historical approach
The science of structural engineering
Basic Structural Theory
Jacques Heyman
University of Cambridge

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