Finite element analysis on the bond behavior of steel bar in salt–frost-damaged recycled coarse aggregate concrete

In this article, the ABAQUS finite element software is used to simulate the bond behavior of the steel bar in salt–frost-damaged recycled coarse aggregate concrete, and the influence of the steel bar diameter and the concrete cover thickness on the bond strength is investigated. The result shows tha...

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Autores principales:	Su Tian, Wang Ting, Yi Haihe, Zheng Rui, Liu Yizhe, Zhai Haoran, Huang Zhanfang
Formato:	article
Lenguaje:	EN
Publicado:	De Gruyter 2021
Materias:	salt–frost damaged recycled coarse aggregate concrete steel bar diameter concrete cover thickness numerical simulation Technology T Chemical technology TP1-1185
Acceso en línea:	https://doaj.org/article/668f5491ce0443b1aa7d28a79879da41
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spelling	oai:doaj.org-article:668f5491ce0443b1aa7d28a79879da412021-12-05T14:11:03ZFinite element analysis on the bond behavior of steel bar in salt–frost-damaged recycled coarse aggregate concrete1605-812710.1515/rams-2021-0063https://doaj.org/article/668f5491ce0443b1aa7d28a79879da412021-11-01T00:00:00Zhttps://doi.org/10.1515/rams-2021-0063https://doaj.org/toc/1605-8127In this article, the ABAQUS finite element software is used to simulate the bond behavior of the steel bar in salt–frost-damaged recycled coarse aggregate concrete, and the influence of the steel bar diameter and the concrete cover thickness on the bond strength is investigated. The result shows that the calculated bond–slip curve is in good agreement with the experimental bond–slip curve; the mean value of the ratio of the calculation results of ultimate bond strength to the experiment results of ultimate bond strength is 1.035, the standard deviation is 0.0165, and the coefficient of variation is 0.0159, which proves that the calculation results of the ultimate bond strength are in good agreement with the experimental results; with the increase of steel bar diameter and the concrete cover thickness, the ultimate bonding strength of RAC and steel increases; the calculation formulas for the ultimate bond strength of specimens with different steel bar diameters (concrete cover thickness) after different salt–frost cycles are obtained.Su TianWang TingYi HaiheZheng RuiLiu YizheZhai HaoranHuang ZhanfangDe Gruyterarticlesalt–frost damagedrecycled coarse aggregate concretesteel bar diameterconcrete cover thicknessnumerical simulationTechnologyTChemical technologyTP1-1185ENReviews on Advanced Materials Science, Vol 60, Iss 1, Pp 853-861 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	salt–frost damaged recycled coarse aggregate concrete steel bar diameter concrete cover thickness numerical simulation Technology T Chemical technology TP1-1185
spellingShingle	salt–frost damaged recycled coarse aggregate concrete steel bar diameter concrete cover thickness numerical simulation Technology T Chemical technology TP1-1185 Su Tian Wang Ting Yi Haihe Zheng Rui Liu Yizhe Zhai Haoran Huang Zhanfang Finite element analysis on the bond behavior of steel bar in salt–frost-damaged recycled coarse aggregate concrete
description	In this article, the ABAQUS finite element software is used to simulate the bond behavior of the steel bar in salt–frost-damaged recycled coarse aggregate concrete, and the influence of the steel bar diameter and the concrete cover thickness on the bond strength is investigated. The result shows that the calculated bond–slip curve is in good agreement with the experimental bond–slip curve; the mean value of the ratio of the calculation results of ultimate bond strength to the experiment results of ultimate bond strength is 1.035, the standard deviation is 0.0165, and the coefficient of variation is 0.0159, which proves that the calculation results of the ultimate bond strength are in good agreement with the experimental results; with the increase of steel bar diameter and the concrete cover thickness, the ultimate bonding strength of RAC and steel increases; the calculation formulas for the ultimate bond strength of specimens with different steel bar diameters (concrete cover thickness) after different salt–frost cycles are obtained.
format	article
author	Su Tian Wang Ting Yi Haihe Zheng Rui Liu Yizhe Zhai Haoran Huang Zhanfang
author_facet	Su Tian Wang Ting Yi Haihe Zheng Rui Liu Yizhe Zhai Haoran Huang Zhanfang
author_sort	Su Tian
title	Finite element analysis on the bond behavior of steel bar in salt–frost-damaged recycled coarse aggregate concrete
title_short	Finite element analysis on the bond behavior of steel bar in salt–frost-damaged recycled coarse aggregate concrete
title_full	Finite element analysis on the bond behavior of steel bar in salt–frost-damaged recycled coarse aggregate concrete
title_fullStr	Finite element analysis on the bond behavior of steel bar in salt–frost-damaged recycled coarse aggregate concrete
title_full_unstemmed	Finite element analysis on the bond behavior of steel bar in salt–frost-damaged recycled coarse aggregate concrete
title_sort	finite element analysis on the bond behavior of steel bar in salt–frost-damaged recycled coarse aggregate concrete
publisher	De Gruyter
publishDate	2021
url	https://doaj.org/article/668f5491ce0443b1aa7d28a79879da41
work_keys_str_mv	AT sutian finiteelementanalysisonthebondbehaviorofsteelbarinsaltfrostdamagedrecycledcoarseaggregateconcrete AT wangting finiteelementanalysisonthebondbehaviorofsteelbarinsaltfrostdamagedrecycledcoarseaggregateconcrete AT yihaihe finiteelementanalysisonthebondbehaviorofsteelbarinsaltfrostdamagedrecycledcoarseaggregateconcrete AT zhengrui finiteelementanalysisonthebondbehaviorofsteelbarinsaltfrostdamagedrecycledcoarseaggregateconcrete AT liuyizhe finiteelementanalysisonthebondbehaviorofsteelbarinsaltfrostdamagedrecycledcoarseaggregateconcrete AT zhaihaoran finiteelementanalysisonthebondbehaviorofsteelbarinsaltfrostdamagedrecycledcoarseaggregateconcrete AT huangzhanfang finiteelementanalysisonthebondbehaviorofsteelbarinsaltfrostdamagedrecycledcoarseaggregateconcrete
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Finite element analysis on the bond behavior of steel bar in salt–frost-damaged recycled coarse aggregate concrete

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