Importance Of Concrete Material
Characterization And Modelling
To Predicting The Response Of Structures
To Shock And Impact Loading
Author(s)
J. M. Magallanes
Abstract
This paper reviews the importance of concrete material characterization and
modelling to predicting the response of reinforced concrete structures to
impulsive loads using physics-based finite element models. Comparisons of
several widely available concrete constitutive models are presented pertaining to
their ability to reproduce basic laboratory data for concrete as well as predict the
response of structures subjected to shock and impact loadings. The examples
presented here illustrate important differences between the various models in
addition to illustrating some key concrete behaviours that the models should be
able to capture.
Keywords: concrete, material characterization, constitutive models, finite
element, shock, blast, impact.
1 Introduction
Structural response predictions using physics-based Lagrangian finite element
(FE) models with explicit time-integration are widely used by both academics
and practitioners to determine the behaviours of reinforced concrete (RC)
structures subjected to a variety of shock and impact loadings. As full-scale
structural response test data is costly and difficult to obtain, verified and
validated FE models afford the ability to generate consistent sets of virtual
response data from which to study structural behaviours, formulate simplified
engineering models, and develop new structural and material designs aimed at
increasing resistance to these types of loads. The advancement of FE methods
Keywords
concrete, material characterization, constitutive models, finite
element, shock, blast, impact.
Related Book
Other papers in this volume
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