Influence of the Chloride Attack on the Post-Cracking Behavior of Recycled Steel Fiber Reinforced Concrete

Autor: Cristina Maria Vieira Frazão, Joaquim A. O. Barros, José Alexandre Bogas
Přispěvatelé: Universidade do Minho
Rok vydání: 2021
Předmět:
Materials science
0211 other engineering and technologies
02 engineering and technology
Fiber-reinforced concrete
lcsh:Technology
Chloride
Article
law.invention
Engenharia e Tecnologia::Engenharia Civil
Recycled steel fibers
law
021105 building & construction
Ultimate tensile strength
recycled steel fibers
Chloride-induced corrosion
medicine
General Materials Science
Fiber
Composite material
lcsh:Microscopy
Post-cracking behavior
Inverse analysis
lcsh:QC120-168.85
constitutive laws
chloride-induced corrosion
Science & Technology
lcsh:QH201-278.5
lcsh:T
021001 nanoscience & nanotechnology
Durability
Cracking
lcsh:TA1-2040
post-cracking behavior
RSFRC
Engenharia Civil [Engenharia e Tecnologia]
lcsh:Descriptive and experimental mechanics
lcsh:Electrical engineering. Electronics. Nuclear engineering
Constitutive laws
lcsh:Engineering (General). Civil engineering (General)
0210 nano-technology
lcsh:TK1-9971
medicine.drug
Zdroj: Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Materials
Volume 14
Issue 5
Materials, Vol 14, Iss 1279, p 1279 (2021)
ISSN: 1996-1944
DOI: 10.3390/ma14051279
Popis: The main purpose of the present work is to study the mechanical behavior and durability performance of recycled steel fiber reinforced concrete (RSFRC) under a chloride environment. To this end, the effect of chloride attack on the load-carrying capacity of pre-cracked RSFRC round panels is investigated by performing round panel tests supported on three points (RPT-3ps), considering the influence of the crack width and the fiber distribution/orientation profile. In addition, the influence of the adopted chloride exposure conditions on the post-cracking constitutive laws of the developed RSFRC is also assessed by performing numerical simulations for the prediction of the long-term performance of RSFRC under these aggressive conditions. The tensile stress–crack width relationship of RSFRC is derived by performing an inverse analysis with the RPT-3ps results. The obtained experimental and numerical results show a negligible effect of the chloride attack on the post-cracking behavior of RSFRC for the chloride exposure conditions and pre-crack width levels adopted in this study.
This research was funded by C.F. research grant PD/BD/113638/2015 provided by Fundação para a Ciência e a Tecnologia (FCT) through the Doctoral Program in Eco Construction and Rehabilitation–EcoCoRe, and J.B. through the project ICoSyTec (POCI-01-0145-FEDER-027990) financed by FCT and co-funded by FEDER through Operational Competitiveness and Internationalization Programme (POCI).
Databáze: OpenAIRE
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