Evaluation of constitutive relations for concrete modeling based on an incremental theory of elastic strain-hardening plasticity

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26110%2F18%3APU131744" target="_blank" >RIV/00216305:26110/18:PU131744 - isvavai.cz</a>

Result on the web

<a href="http://dx.doi.org/10.12989/cac.2018.22.2.227" target="_blank" >http://dx.doi.org/10.12989/cac.2018.22.2.227</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.12989/cac.2018.22.2.227" target="_blank" >10.12989/cac.2018.22.2.227</a>

Result language

angličtina

Original language name

Evaluation of constitutive relations for concrete modeling based on an incremental theory of elastic strain-hardening plasticity

Original language description

Today, the modeling of concrete as a material within finite element simulations is predominantly done through nonlinear material models of concrete. In current sophisticated computational systems, there are a number of complex concrete material models which are based on theory of plasticity, damage mechanics, linear or nonlinear fracture mechanics or combinations of those theories. These models often include very complex constitutive relations which are suitable for the modeling of practically any continuum mechanics tasks. However, the usability of these models is very often limited by their parameters, whose values must be defined for the proper realization of appropriate constitutive relations. Determination of the material parameter values is very complicated in most material models. This is mainly due to the non-physical nature of most parameters, and also the large number of them that are frequently involved. In such cases, the designer cannot make practical use of the models without having to employ the complex inverse parameter identification process. In continuum mechanics, however, there are also constitutive relations that require the definition of a relatively small number of parameters which are predominantly of a physical nature and which describe the behavior of concrete very well within a particular task. This paper presents an example of such constitutive relations which have the potential for implementation and application in finite element systems. Specifically, constitutive relations for modeling the plane stress state of concrete are presented and subsequently tested and evaluated in this paper. The relations are based on the incremental theory of elastic strain-hardening plasticity in which a non-associated flow rule is used. The calculation result for the case of concrete under uniaxial compression is compared with the experimental data for the purpose of the validation of the constitutive relations used.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

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OECD FORD branch

20101 - Civil engineering

Project

<a href="/en/project/GA17-23578S" target="_blank" >GA17-23578S: Damage assessment identification for reinforced concrete subjected to extreme loading</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2018

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Computers and Concrete

ISSN

1598-8198

e-ISSN

1598-818X

Volume of the periodical

22

Issue of the periodical within the volume

2

Country of publishing house

KR - KOREA, REPUBLIC OF

Number of pages

11

Pages from-to

227-237

UT code for WoS article

000442277200010

EID of the result in the Scopus database

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