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Numerical Modeling of AAR (Hardcover, New)
Loot Price: R5,955
Discovery Miles 59 550
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Numerical Modeling of AAR (Hardcover, New)
Expected to ship within 12 - 17 working days
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This reference book presents the theory and methodology to conduct
a finite element assessment of concrete structures subjected to
chemically induced volumetric expansion in general and alkali
aggregate reaction in particular. It is limited to models developed
by the author, and focuses on how to best address a simple
question: if a structure suffers from AAR, how is its structural
integrity jeopardized, and when would the reaction end. Subjects
treated are: * Brief overview of AAR: nature of the chemical
reactions, AAR in both dams and nuclear power plants, and how does
it impact the mechanical properties of concrete. * Constitutive
model for both the AAR expansion, and concrete nonlinearities (both
smeared and discrete crack models). * Validation of the model along
with a parametric study to assess what are the critical parameters
in a study. * Selection of material properties for an AAR finite
element simulation, followed by applications in dams and massive
reinforced concrete structures. * Micro Model for improved
understanding of the essence of the reaction, along with a newly
proposed mathematical model for the kinetics of the reaction. *
Review of relevant procedures to estimate the residual expansion of
a structure suffering from AAR, along with a proposed approach to
determine when the reaction will end. The book is extensively
illustrated with numerous figures and provides guidance to
engineers confronted with swelling in concrete infrastructures.
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