Constitutive relation of concrete containing meso-structural characteristics

Constitutive relation of concrete containing meso-structural characteristics

A constitutive model of concrete is proposed based on the mixture theory of porous media within thermodynamic framework. By treating concrete as a multi-phase multi-component mixture, we constructed the constitutive functions for elastic, interfacial, and plastic strain energy respectively. A consti...

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Main Authors: Li Guo, Xiaoming Guo, Jun Hong, Ying Wang
Format: Article
Language:English
Published: Elsevier 2017-01-01
Series:Results in Physics
Online Access:http://www.sciencedirect.com/science/article/pii/S2211379717301080
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spelling doaj-8f00148f95124fe2a09e0977272142c22020-11-25T02:11:48ZengElsevierResults in Physics2211-37972017-01-01711551160Constitutive relation of concrete containing meso-structural characteristicsLi Guo0Xiaoming Guo1Jun Hong2Ying Wang3Corresponding author at: School of Civil Engineering, Southeast University, Si Pai-lou 2#, Nanjing 210096, PR China.; Jiangsu Key Laboratory of Engineering Mechanics, Department of Engineering Mechanics, School of Civil Engineering, Southeast University, Nanjing 210096, PR ChinaJiangsu Key Laboratory of Engineering Mechanics, Department of Engineering Mechanics, School of Civil Engineering, Southeast University, Nanjing 210096, PR ChinaJiangsu Key Laboratory of Engineering Mechanics, Department of Engineering Mechanics, School of Civil Engineering, Southeast University, Nanjing 210096, PR ChinaJiangsu Key Laboratory of Engineering Mechanics, Department of Engineering Mechanics, School of Civil Engineering, Southeast University, Nanjing 210096, PR ChinaA constitutive model of concrete is proposed based on the mixture theory of porous media within thermodynamic framework. By treating concrete as a multi-phase multi-component mixture, we constructed the constitutive functions for elastic, interfacial, and plastic strain energy respectively. A constitutive law of concrete accommodating internal micro-cracks and interfacial boundaries was established. The peak stress predicted with the developed model depends primarily on the volume ratio of aggregate, and the results explain very well reported experimental phenomena. The strain-stress curve under uniaxial loading was found in a good agreement with experimental data for concrete with three different mixing proportions. Keywords: Constitutive model of concrete, Mixture theory of porous media, Meso-structure, Interfacial energyhttp://www.sciencedirect.com/science/article/pii/S2211379717301080
collection DOAJ
language English
format Article
sources DOAJ
author Li Guo
Xiaoming Guo
Jun Hong
Ying Wang
spellingShingle Li Guo
Xiaoming Guo
Jun Hong
Ying Wang
Constitutive relation of concrete containing meso-structural characteristics
Results in Physics
author_facet Li Guo
Xiaoming Guo
Jun Hong
Ying Wang
author_sort Li Guo
title Constitutive relation of concrete containing meso-structural characteristics
title_short Constitutive relation of concrete containing meso-structural characteristics
title_full Constitutive relation of concrete containing meso-structural characteristics
title_fullStr Constitutive relation of concrete containing meso-structural characteristics
title_full_unstemmed Constitutive relation of concrete containing meso-structural characteristics
title_sort constitutive relation of concrete containing meso-structural characteristics
publisher Elsevier
series Results in Physics
issn 2211-3797
publishDate 2017-01-01
description A constitutive model of concrete is proposed based on the mixture theory of porous media within thermodynamic framework. By treating concrete as a multi-phase multi-component mixture, we constructed the constitutive functions for elastic, interfacial, and plastic strain energy respectively. A constitutive law of concrete accommodating internal micro-cracks and interfacial boundaries was established. The peak stress predicted with the developed model depends primarily on the volume ratio of aggregate, and the results explain very well reported experimental phenomena. The strain-stress curve under uniaxial loading was found in a good agreement with experimental data for concrete with three different mixing proportions. Keywords: Constitutive model of concrete, Mixture theory of porous media, Meso-structure, Interfacial energy
url http://www.sciencedirect.com/science/article/pii/S2211379717301080
work_keys_str_mv AT liguo constitutiverelationofconcretecontainingmesostructuralcharacteristics
AT xiaomingguo constitutiverelationofconcretecontainingmesostructuralcharacteristics
AT junhong constitutiverelationofconcretecontainingmesostructuralcharacteristics
AT yingwang constitutiverelationofconcretecontainingmesostructuralcharacteristics
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