Original PDF Flash format Concrete-structures:-stresses-and-deformations  


Concrete Structures: Stresses And Deformations

Color profile: Generic CMYK printer profile
Composite Default screen
633
BOOK REVIEW / CRITIQUE DE LIVRE
Concrete structures: stresses and deformations1
Edited by A. Ghali, R. Favre, and M. Elbadry
Nawy
This book is written by world-class experts in the areas of
and modifications to the current American Concrete Institute
reinforced and prestressed concrete structures and their
(ACI) provisions on the effective moment of inertia, with
deformational behavior. It has 14 chapters and 9 extensive
numerical examples for the benefit of the structural engi-
appendixes. Essentially, the book can be subdivided into
neering designer and analyst.
three areas of emphasis: (a) behavior of uncracked sections;
The third area of emphasis in chapters 10, 11, and 12 is a
(b) behavior of cracked sections and serviceability behavior
well-coordinated discussion of the effects of temperature
as determined by deflection and cracking, including simpli-
changes on the cracking and deformational behavior of large
fied methods of computation; and (c) deformational response
prestressed concrete elements. The subjects of crack control
of prestressed concrete structures to temperature and time-
and residual stresses are extensively covered. The numerical
dependent effects and the design of members to account for
examples highlight the significance of appropriately dealing
these effects.
with these parameters that could be detrimental to the long-
In the first area of emphasis, the first chapter deals with
term performance of such structures, if not appropriately
creep and shrinkage of concrete and relaxation of pre-
considered in the design process.
stressing steel. The second chapter covers the stress–strain
The book culminates with chapter 13 on an introduction
behavior of uncracked sections, including time-dependant
to nonlinear analysis of plane frames and chapter 14 on ser-
stress and strain in composite sections, with extensive exam-
viceability of members reinforced with fiber-polymer rein-
ples. The third chapter deals with prestress losses and pres-
forcement. The appendixes present valuable charts, tables,
ents approximate equations for evaluation of strains and
material coefficients needed in design, as well a brief de-
curvatures, including calculations of displacements. Chap-
scription of computer programs available for use in the vari-
ters four and five extensively treat the subject of evaluating
ous areas covered in this book.
internal forces in uncracked sections consecutively by the
In summary, this is a well-written textbook that success-
force method and the displacement method of elastic analy-
fully and extensively treats the critical subject of deforma-
sis, while chapter 6 presents the use of electronic computa-
tional behavior and long-term performance of reinforced and
tional methods and computer programs that facilitate the
prestressed concrete structures. Both students at the senior
analytical solutions for time-dependant forces.
undergraduate and at the graduate levels can gain immense
In the second area of emphasis, chapters seven and eight
knowledge from the detailed treatment of the subjects enu-
present an extensive treatment of stress and strain in cracked
merated in this review. It is a well-organized and compre-
sections, the effects of creep and shrinkage on cracking be-
hensive textbook that is also a needed tool by the structural
havior, with good computational examples of the deflection
engineers in their quest to control excessive stresses, deflec-
of two-way action slabs and plates, including numerous
tions, and cracking that can result from failure to recognize
well-synthesized tables of computations and clear diagrams
and apply the state-of-the-art knowledge embodied in this
illustrating the computational procedure. The student and the
text.
practicing engineer are well served by the detailed illustra-
tive computational examples. Chapter nine is unique in that
Edward G. Nawy
it presents in a concise manner easy to follow procedures for
Deptartment of Civil and Environmental Engineering
simplified predictions of deflection evaluations, particularly
Rutgers University — The State University of New Jersey
in two-way action slabs and plates. It presents extensions
P.O. Box 909, Piscataway, NJ 08854, U.S.A.
Received 3 July 2002. Manuscript accepted 3 July 2002.
Published on the NRC Research Press Web site at
http://cjce.nrc.ca on 2 August 2002.
1Spon Press, 11 New Fetter Lane, London, EC4P 4EE, U.K.
2002. ISBN 0-415-24721-7. 584 pages.
Can. J. Civ. Eng. 29: 633 (2002)
DOI: 10.1139/L02-057
© 2002 NRC Canada
I:\cjce\cjce2904\L02-057.vp
Thursday, August 01, 2002 3:26:50 PM