Tension-Compression Damage Model with Consistent Crack Bandwidths for Concrete Materials

This paper proposes a tension-compression damage model for concrete materials, formulated within the framework of thermodynamics of irreversible processes. The aim of this work is to solve the following problems: the premature divergence of numerical solutions under general loading conditions due to...

Full description

Bibliographic Details
Main Authors: Wei He, Ying Xu, Yu Cheng, Peng-Fei Jia, Ting-Ting Fu
Format: Article
Language:English
Published: Hindawi Limited 2019-01-01
Series:Advances in Civil Engineering
Online Access:http://dx.doi.org/10.1155/2019/2810108
id doaj-846a3acf6a844112ab3d57d08e342986
record_format Article
spelling doaj-846a3acf6a844112ab3d57d08e3429862020-11-24T21:26:24ZengHindawi LimitedAdvances in Civil Engineering1687-80861687-80942019-01-01201910.1155/2019/28101082810108Tension-Compression Damage Model with Consistent Crack Bandwidths for Concrete MaterialsWei He0Ying Xu1Yu Cheng2Peng-Fei Jia3Ting-Ting Fu4School of Civil Engineering and Architecture, Anhui University of Science & Technology, Huainan, ChinaSchool of Civil Engineering and Architecture, Anhui University of Science & Technology, Huainan, ChinaJiangsu Transportation Institute, Nanjing, ChinaJiangsu Transportation Institute, Nanjing, ChinaGeneral Station of Construction Project Quality & Safety for Administration and Supervision, Jinhua, ChinaThis paper proposes a tension-compression damage model for concrete materials, formulated within the framework of thermodynamics of irreversible processes. The aim of this work is to solve the following problems: the premature divergence of numerical solutions under general loading conditions due to the conflict of tensile and compressive damage bounding surfaces, which is a result of the application of the spectral decomposition method to distinguish tension and compression, and the unsatisfactory reproduction of distinct tension-compression behaviors of concrete by strain-driven damage models. The former is solved by the sign of the volumetric deformation, while the latter is solved via two separated dissipation mechanisms. Moreover, of specific interest is an improved solution to the problem of mesh-size dependency using consistent crack bandwidths, which takes into account situations with irregular meshes and arbitrary crack directions in the context of the crack band approach. The performance of the model is validated by the well-documented experimental data. The simplicity and the explicit integration of the constitutive equations render the model well suitable for large-scale computations.http://dx.doi.org/10.1155/2019/2810108
collection DOAJ
language English
format Article
sources DOAJ
author Wei He
Ying Xu
Yu Cheng
Peng-Fei Jia
Ting-Ting Fu
spellingShingle Wei He
Ying Xu
Yu Cheng
Peng-Fei Jia
Ting-Ting Fu
Tension-Compression Damage Model with Consistent Crack Bandwidths for Concrete Materials
Advances in Civil Engineering
author_facet Wei He
Ying Xu
Yu Cheng
Peng-Fei Jia
Ting-Ting Fu
author_sort Wei He
title Tension-Compression Damage Model with Consistent Crack Bandwidths for Concrete Materials
title_short Tension-Compression Damage Model with Consistent Crack Bandwidths for Concrete Materials
title_full Tension-Compression Damage Model with Consistent Crack Bandwidths for Concrete Materials
title_fullStr Tension-Compression Damage Model with Consistent Crack Bandwidths for Concrete Materials
title_full_unstemmed Tension-Compression Damage Model with Consistent Crack Bandwidths for Concrete Materials
title_sort tension-compression damage model with consistent crack bandwidths for concrete materials
publisher Hindawi Limited
series Advances in Civil Engineering
issn 1687-8086
1687-8094
publishDate 2019-01-01
description This paper proposes a tension-compression damage model for concrete materials, formulated within the framework of thermodynamics of irreversible processes. The aim of this work is to solve the following problems: the premature divergence of numerical solutions under general loading conditions due to the conflict of tensile and compressive damage bounding surfaces, which is a result of the application of the spectral decomposition method to distinguish tension and compression, and the unsatisfactory reproduction of distinct tension-compression behaviors of concrete by strain-driven damage models. The former is solved by the sign of the volumetric deformation, while the latter is solved via two separated dissipation mechanisms. Moreover, of specific interest is an improved solution to the problem of mesh-size dependency using consistent crack bandwidths, which takes into account situations with irregular meshes and arbitrary crack directions in the context of the crack band approach. The performance of the model is validated by the well-documented experimental data. The simplicity and the explicit integration of the constitutive equations render the model well suitable for large-scale computations.
url http://dx.doi.org/10.1155/2019/2810108
work_keys_str_mv AT weihe tensioncompressiondamagemodelwithconsistentcrackbandwidthsforconcretematerials
AT yingxu tensioncompressiondamagemodelwithconsistentcrackbandwidthsforconcretematerials
AT yucheng tensioncompressiondamagemodelwithconsistentcrackbandwidthsforconcretematerials
AT pengfeijia tensioncompressiondamagemodelwithconsistentcrackbandwidthsforconcretematerials
AT tingtingfu tensioncompressiondamagemodelwithconsistentcrackbandwidthsforconcretematerials
_version_ 1725980096252084224